Dell Precision a Lenovo ThinkPad P – mobilní i stolní pracovní stanice v přehledu

What are Precision and ThinkPad P workstations good for?

Mobile workstations Dell Precision (laptop) and Lenovo ThinkPad P-series are designed for professionals who need top-tier performance and reliability for demanding work. These notebooks handle CAD software, 3D modeling, video editing, rendering, scientific computations, and working with massive databases. Compared to ordinary office laptops, they offer more powerful multi-core processors, professional graphics cards (e.g. NVIDIA Quadro), and are certified for key professional applications (ISV certification) – meaning more than 100 specialized programs have been tested on these machines with guaranteed flawless operation. Desktop workstations Dell Precision (tower PC) serve a similar purpose at the desk: they provide reliable and sustained high performance for business and home use alike. For example, the Dell Precision T3610 was originally intended for enterprise environments, but due to its extreme performance and reliability it has also found a place among demanding home users. Such a computer easily handles everyday tasks (internet, office applications) and is not intimidated by demanding activities such as photo editing, video editing, or running multiple applications simultaneously.

Mobile and desktop Precision and ThinkPad P machines are also suitable for engineering applications, graphic design, software development, virtualization, or data analytics. In practice, they are chosen by architects, engineers, scientists, animators, and many others. Repaired (refurbished) models offer the same performance at a fraction of the original price.

How to navigate model lines and designations?

Dell Precision is available in both notebook and desktop PC versions. For Precision notebooks, Dell traditionally distinguishes series by performance: 3000 (entry-level), 5000 (mid-range), and 7000 (high-end). A higher first digit means a more powerful machine (better GPU, support for more RAM, larger display). For example, Precision 5540 is a mid-range 15" model, while Precision 7720 is a 17" high-performance machine. Desktop towers follow a similar numbering (T3610, T3620 = entry-level, T5810, T7810 = high-end with dual-processor support).

Lenovo ThinkPad P-series uses the letter P in the name along with a two-digit number (or three digits for newer generations). The numeric designation roughly corresponds to the generation and sometimes the screen size. For example, P50 = first generation 15" P-series, P52 = second generation 15", P53 = third generation 15". Three-digit models like P15, P17 indicate a newer naming convention where numbers denote screen size (15", 17"). When in doubt, check the processor generation – for P50 it is 6th gen Intel, for P52 it is 8th gen, for P53 it is 9th gen.

From the perspective of configuration labeling, you can also navigate by specifications in the product name at retailers. For example, the description \"Lenovo ThinkPad P50 Xeon v5|32GB|512GB|FHD\" reveals the processor (Xeon v5 = Intel 6th gen Xeon), RAM (32 GB), storage (512 GB SSD), and display (Full HD). Similarly, \"Dell Precision 7520 i7-7820HQ|16GB|256SSD|FHD|M1200\" tells you: 7th gen i7, 16 GB RAM, 256 GB SSD, Full HD display, Quadro M1200 graphics. This helps quickly compare configurations without having to look up every detail.

Performance and usage possibilities (what can you do with them?)

Workstations excel at all tasks that can leverage their powerful hardware. Thanks to powerful multi-core CPUs (including mobile Xeons in laptops or server Xeons in desktops) combined with professional graphics (NVIDIA Quadro/RTX series), these machines provide serious performance headroom. It is worth noting that Quadro graphics, while based on similar architecture as gaming GeForce cards, are optimized for professional applications (CAD, DCC tools), have more reliable drivers for professional software, and support features like ECC VRAM on higher models.

Video editing is a typical example of a task where both mobile and desktop workstations excel. Powerful multi-core processors accelerate video encoding and professional graphics cards enable GPU-accelerated effects in programs like Adobe Premiere or DaVinci Resolve. On a Precision T3610 (Xeon E5 with 6–8 cores), 4K video editing works smoothly, which cannot be said of ordinary dual-core office computers.

Software for 3D modeling and CAD (AutoCAD, SolidWorks, 3ds Max, etc.) is another area where these stations excel. They are certified directly by the vendors of these programs, meaning that for example SolidWorks running on a certified Quadro GPU delivers better stability and performance than on an uncertified gaming card.

These stations also handle ordinary office and work tasks with complete ease – in such a case their potential is not even close to being fully utilized. For some people they may be \"overkill\" for simple office work, but that does not mean it would be wrong – they just get a device with a huge performance reserve and reliability.

To summarize, Precision and ThinkPad P workstations are versatile powerful machines: from everyday office work, through professional content creation, to specialized technical tasks. They are also popular in education and science – universities and research institutes buy them for computational tasks.

What are these stations not suitable for (limits and inappropriate uses)

Although workstations are very powerful, they are not optimal for every situation. In some respects they may even be \"overkill\" or impractical:

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Mobility and travel: Mobile workstation notebooks tend to be larger and heavier than ordinary laptops. They have robust chassis (often a combination of plastic, magnesium alloys, and steel), which increases durability but also weight. For example, ThinkPad P50 weighs around 2.6 kg and Precision 7720 even over 3 kg. If you need a lightweight notebook for frequent travel, a regular ultrabook (1–1.5 kg) is better. Workstations are more for \"transport to the office\" than for flying through airports every week.
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Battery life for all-day use away from a power source: While modern mobile stations can have large-capacity batteries (e.g. 91 Wh in Dell Precision 7520/7720), the powerful hardware consumes a lot. More on this in the battery section below.
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Noise and heat: Under maximum load (CPU + GPU), fans spin at full speed and the workstation notebook can be louder than a regular laptop. Similarly, heat dissipation is higher – the bottom of the notebook gets warm. This is normal and acceptable during work, but worth knowing about.
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Power consumption: These machines have higher TDP processors (45W and above for mobile, 80–140W for desktop Xeons) and powerful graphics. Under full load they can draw a lot of energy – desktop Precision can consume several hundred watts, notebooks around 130–180W (hence the large adapters). Higher electricity costs are a reality, though for continuous office use it is not dramatic.
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Price and investment utilization: If you do not utilize the workstation's potential (i.e., you do not perform anything performance-intensive), it may not make sense to invest in such a device. For simple internet and office work, a regular laptop for a fraction of the price will do. However, in the case of refurbished workstations at a great price, this argument is weakened – then the \"overkill\" is affordable.
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Performance limits become apparent mainly in specific scenarios: For example, older generations of Quadro graphics (M1000M/M2000M based on Maxwell architecture) correspond in performance roughly to gaming cards of the GTX 950M/960M era – which is sufficient for many tasks but not for the most modern and demanding games or AI applications. Similarly, desktop Precision T3610 with a Xeon E5 v2 from 2013 – despite having many cores – has a slower single-core performance than current processors, which matters in tasks that are not well parallelized.

Briefly put, these are not machines for everyone: they are professional tools that excel at heavy work, but at the cost of higher weight, lower mobility, and higher price (especially when new). For repurchased refurbished models, the price argument is largely eliminated.

Which variant to choose and what to upgrade? (Model selection, configuration, RAM)

The choice of a specific variant depends mainly on what purposes you need the station for and what your budget is. Generally when choosing, consider the following aspects:

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Processor (CPU): Mobile stations offer Intel Core series H/QM processors (powerful mobile chips) or even Intel Xeon for notebooks (especially 6th and 7th generation – Xeon E3 v5/v6). Xeons in notebooks support ECC memory (better data reliability) but are otherwise not much different from Core i7 HQ in everyday use. For desktop: Xeon E5 (T3610, 7810) or Xeon E3 (T3620). More cores = better for parallelizable tasks (rendering, encoding). For tasks sensitive to single-core speed (many CAD programs, gaming), higher clock frequency matters.
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Graphics card (GPU): Here the choice falls between various models of NVIDIA Quadro (or AMD Radeon Pro in some Dell configurations). Generally higher Quadro number = higher performance (Quadro M2200 > M1200 > M1000M). For basic CAD/3D work, even a lower Quadro M1000M or M2000M is sufficient; for demanding rendering and visualization, go for M3000M or higher. In modern models RTX series (Quadro RTX 3000, 4000, 5000) are significantly more powerful and support ray tracing.
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RAM (memory): Workstations are often equipped with a base capacity (8 or 16 GB), but almost always allow large expansion. It is recommended to invest in higher RAM – for CAD/3D applications 32 GB is a comfortable amount, for 3D rendering or large virtual machines 64 GB is not excessive. Thankfully, RAM on these machines is usually cheap to upgrade (DDR4 SO-DIMM modules for notebooks, DDR4 DIMM for desktops). At ImportPC you can often choose a configuration with more RAM.
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Storage (disk): Most workstations use fast SSDs (newer ones M.2 NVMe, older ones 2.5\" SATA SSD). Choose capacity according to the nature of your work – for video a minimum of 500 GB and ideally 1 TB+, for CAD 256–512 GB may be sufficient. Workstations usually have space for multiple disks (both notebook and desktop have spare slots), so you can add more storage later.
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Display (for notebooks): Mobile stations often have a choice between various panels – often FHD (1920×1080) vs 4K (3840×2160), and also TN vs IPS. Professionals prefer IPS for better color accuracy and viewing angles. 4K display is great for detailed graphic work, but it puts more strain on the GPU and reduces battery life. FHD IPS is a good compromise for most work.
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Other equipment: Also consider things like docking connector (ThinkPad P50/P52 have a mechanical dock connector, newer P53 already uses Thunderbolt docking), number of ports (both brands are well equipped – plenty of USB 3.0, Thunderbolt on newer models, SD card reader), and availability of accessories. For desktop: expandability (PCIe slots for adding cards, multiple disk bays).
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In conclusion, when choosing a variant determine your priorities: Do you need more CPU cores, or a stronger GPU? How much RAM do your projects require? Should the notebook be more mobile (then perhaps a smaller model or a compromise in GPU due to weight) or more desktop-like? Check a specific configuration on the ImportPC website and do not hesitate to contact the store if you are unsure.

How are they for computer gaming?

Workstations are not primarily designed for gaming, but technically they can run games – and often very solidly. It depends on the specific configuration. Both mobile and desktop Dell Precision and Lenovo P stations use NVIDIA Quadro graphics, which are based on similar silicon as gaming GeForce cards (e.g. Quadro P3200 is based on the same chip as GeForce GTX 1060/1070, Quadro RTX 3000 is based on the same as GeForce RTX 2060).

This means that for example Quadro M2000M = approximately equivalent to GeForce GTX 960M in terms of hardware, Quadro P3200 ~ GeForce GTX 1060/1070 Max-Q, Quadro RTX 3000 ~ GeForce RTX 2060, etc. In practice older Quadro cards slightly underperform their gaming equivalents in games (due to driver optimization for professional workloads rather than games), but the difference is small – units of percent. So gaming performance is comparable to similar gaming cards from the same era.

Desktop stations Dell Precision can be even more interesting for gaming. If it is a refurbished unit, they are often delivered with the original basic pro card (e.g. NVIDIA NVS or an older Quadro that is not much for games). But thanks to the modular PCIe architecture, you can swap the graphics card for a modern gaming one (e.g. used NVIDIA RTX 2060/3060) if the power supply allows it. The Precision T3610 has a powerful PSU (425W or 685W), which easily handles modern mid-range gaming cards.

So it is realistic to occasionally game on a Precision or ThinkPad P. For older or less demanding games (e-sport titles, strategy games, older AAA games) absolutely no problem. For the newest games you need to consider the card's performance: Quadro cards are not by default blocked from DirectX 12 or VR, they just may not be as fast as the latest gaming GPUs. An older Quadro M2000M will run older titles smoothly, more modern open-world games at lower settings.

Summary: Yes, you can play. Just do not expect it as the primary purpose and count on higher noise with notebooks during gaming. And if you plan to game a lot of modern games, economically it might make more sense to buy a dedicated gaming notebook or desktop.

Current question: can they handle AI image generation, video AI, or language models?

Nowadays there is a lot of talk about artificial intelligence – image generation (e.g. Stable Diffusion), video, and possibly running local language models (LLMs like GPT, etc.). Here it depends on specific hardware. Workstations have some advantages (multi-core CPUs, lots of RAM), but also limitations (older GPU generations lack newer features).

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Image generation (Stable Diffusion etc.): Can be run even on older generation graphics cards, but it will be slower. For example, Quadro graphics from 2016–2018 (Maxwell, Pascal) do not have so-called tensor cores (which Turing/Ampere have), so they cannot use NVIDIA's optimizations for AI computation. Generation of one image that takes 2 seconds on an RTX 3000 might take 20 seconds on an older Quadro M2000M. So it works, but slowly. On the CPU it is even slower – count on minutes per image.
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AI for video: If you mean tools like Topaz Video AI (video upscaling, noise removal) or video generation frame-by-frame, those use heavy GPU acceleration. Again – it will work, but speed depends on GPU performance. Newer workstations with Quadro RTX 3000+ will handle this acceptably.
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Language models (LLM): Running large models like GPT-3/4 locally is beyond the capabilities of these stations (that cannot be handled by anything but a supercomputer). But smaller models (LLaMA 7B, 13B parameters) can be tried. Here RAM and VRAM matter most: LLaMA 7B in 4-bit quantization fits in ~4 GB VRAM, 13B in ~8 GB VRAM. For example, Precision 7520 with Quadro M1200 (4 GB VRAM) can run a 7B model, just slowly. On a desktop with more modern card (e.g. RTX 2060 with 6 GB VRAM) it would be faster. Key is also system RAM – for LLM inference it is recommended to have at least 16–32 GB RAM (especially when running on CPU without GPU acceleration).
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It is also worth mentioning that many people use older workstations as cheap AI servers for development – e.g. an older Dell Precision with a powerful PSU and PCIe slots allows putting in a modern gaming graphics card, e.g. a used NVIDIA RTX 2060/3060, for a fraction of the price and using it for AI tasks. This is a popular DIY approach.

Overall: Yes, you can try modern AI applications on these stations, but remember that top AI performance today is delivered by specialized GPUs (NVIDIA A100, RTX 4090, etc.). Workstations from 2016–2020 cannot compete with them, but for personal experimentation and development they are fully usable – especially with decent RAM capacity.

Can these stations be used as a server?

Short answer: Yes, to a certain extent yes. Especially a desktop workstation is essentially a server \"in disguise\" – it contains server-grade hardware (Xeon processors, ECC memory, often RAID controllers, multiple network ports on some models). It is designed to run under continuous load around the clock, which is the basic requirement for a server.

For use as a server the workstation is perfectly suitable for example for hosting a database, application server, virtual machines, NAS storage, etc. Many small companies use workstation PCs as servers because at a relatively lower cost (especially refurbished) they get reliable hardware with Xeon and ECC memory. The advantage is also that it is a standard computer with standard connections, easy to administer.

For notebooks, use as a server is less typical, but in principle it is possible to let them run long-term and provide services (e.g. web server for development, rendering server, etc.). Limitations may include cooling (long-term 100% load without good ventilation may not be ideal), storage space (notebooks have fewer disk slots), and the fact that failure of the built-in display or keyboard does not affect functionality.

It is good to mention that servers have some specific additional features (hot-swap power supplies and disks, remote management via IPMI, etc.) that ordinary workstations do not have. But if you do not need these, you can comfortably use a Precision as a small server in your network without issues.

In conclusion: Workstation = small server from a hardware perspective. So if you need to use it as a server (e.g. render node, file server, compute node), go ahead. Just watch the cooling on notebooks and possibly consider an external UPS power supply for continuous operation.

Build quality and durability (will it last?)

Build quality is one of the hallmarks of workstations. These machines are typically much more robust and durable than ordinary consumer electronics. The reason is clear – the target audience (corporate and professional users) demands equipment that will withstand intensive daily use for many years.

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Lenovo ThinkPad P-series builds on the legendary ThinkPad durability. The chassis of P50/P52/P53 notebooks is reinforced with magnesium and aluminum elements, the bottom tray is often made of alloy for strength. The notebooks go through durability tests (MIL-STD-810G standard) – they are tested for resistance to vibration, shock, temperature extremes, dust, and humidity. The hinges are built for tens of thousands of opening cycles. The keyboard is renowned for its excellent typing feel and durability.
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Dell Precision (notebooks) – in higher-end 7000 series the quality is comparable to ThinkPads. The chassis of Precision 7520/7720 is a combination of aluminum and quality plastic, with a metal bottom frame. The Precision design may be slightly more modern/sleek, but the robustness is also class-leading. Dell also tests its Precision notebooks to MIL-STD-810G standards.
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Desktop Precision (tower) – these computers have massive metal enclosures (steel), often with reinforcements and smart internal layout. For example, Precision T3610 has a very robust metal case with thoughtful cooling – ventilation is designed so that components do not overheat even under continuous load. Opening the case is usually tool-free (thumb screws, snap-on side panels), making maintenance easy.
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Durability against wear: Workstations count on being used daily for 8+ hours. So for example touchpad and keyboard on ThinkPad P models are tested for long service life – the touchpad surface is antibacterial and abrasion-resistant, the keyboard keys are labeled to withstand millions of keystrokes without fading.
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Overall it can be said that these machines last a long time. This does not mean they are indestructible – they are still electronics that do not appreciate being doused with liquids (though the ThinkPad keyboard should survive this thanks to drainage channels). But within normal use, they will easily last.

If you are looking for a machine that \"takes a beating\", you are at the right address with these workstations. With proper care (occasional cleaning, not overloading beyond specifications) they easily last 5–7 years of intensive use. Many refurbished units are proof of this – they come from large corporations where they served for 3–5 years under daily use and are still fully functional.

Battery life – is it just a joke, or already usable?

Historically mobile workstations had a reputation as \"battery guzzlers\". Today things have improved somewhat, but battery life is still limited compared to ultrabooks. As already mentioned, manufacturers do put large-capacity batteries in, but the powerful hardware (CPU at 45W TDP, GPU at 75–100W TDP) drains them quickly.

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Under light load (Office, internet via WiFi, lower display brightness) newer models (P52, P53, Precision 7550) can last around 5–8 hours. For example Dell stated for the Precision 7550 an improvement of ~20% compared to the older generation, which might mean going from 4 to approximately 5 hours of typical use.
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Under demanding load (rendering, 3D, gaming) battery life drops dramatically – easily under 2 hours. E.g. rendering CPU+GPU at full load will draw 180W from the adapter, while the battery holds ~90 Wh; simple math means it drains in 0.5 hours in ideal conditions. Of course power management somewhat helps, but workstations are not tuned for minimal consumption.
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Medium load (YouTube video, code compilation, Photoshop) will result in battery life around 3–4 hours. Workstations do not have as aggressive power-saving mechanisms as ultrabooks, because performance is prioritized. But they can for example turn off the dedicated graphics outside of load, reduce display frequency, etc.
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New Precision and ThinkPad P models have slightly pushed battery usability forward – it is no longer a complete joke as it used to be (when a mobile workstation barely managed 2 hours in the office). However, it still cannot be compared with ultrabooks, which thanks to efficient 15W processors can last 10–12+ hours. For a workstation, 5–6 hours of light work is already considered a success.

For refurbished units it is important that sellers (e.g. ImportPC) test the battery and guarantee it is in good condition. You will not receive a dead battery – it will be functional, typically with a certain remaining capacity. If the capacity is not ideal, for such popular models it is relatively easy to find a new battery and thus restore full battery life.

Conclusion on battery: In a pinch the mobile workstation will keep you going without a cable, but long-term you want it near a power source. Think of the battery more as a backup power source for short-term work. Manufacturers are trying (Dell stated that Precision 7540/7550 have 19% smaller volume than predecessors while maintaining performance, which enables better battery/cooling balance). In short: bring the charger, but the machine will manage a couple of hours without it.

How much do these machines cost new?

The price of new workstations tends to be very high – these are premium products. As a rough guide:

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New generation mobile workstation (e.g. Dell Precision 7560, Lenovo ThinkPad P16, etc.) starts in basic configurations around 50–70 thousand CZK excl. VAT (approx. 2–3 thousand EUR/USD). Higher configurations (with Xeon, 64GB RAM, 4K display, top graphics) can easily exceed 100–150 thousand CZK. The most powerful configurations with dual GPU or top Xeon and 128 GB RAM can reach the hundreds of thousands.
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New desktop workstation: A basic tower Precision (e.g. 3640) may start around 40 thousand CZK, but more powerful dual-processor models (Precision 7820, 7920) in full configuration cost hundreds of thousands. The price adds up for each powerful component – second Xeon CPU +50k CZK, professional Quadro GPU (RTX A4000) +40k CZK, 256 GB ECC RAM +some tens of thousands, etc.
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For comparison: The refurbished models you mention are now sold for a fraction of the original price. For example, ThinkPad P50 refurbished costs around 13–15 thousand CZK depending on configuration, while its original price was around 60–80 thousand CZK in the year of release. Dell Precision 7520 refurbished can be found from around 10–18 thousand CZK (depending on GPU and RAM). Desktops like T3610 are even cheaper – units of thousands of CZK for a very powerful machine.

So if you are considering purchasing a Precision/ThinkPad P, it is good to know that a new machine is a significant investment, which pays off mainly for companies with the need for the latest technologies and warranty. For individuals or smaller companies, refurbishment makes enormous sense – you get still excellent performance and quality at a fraction of the price, with a 2-year warranty from ImportPC.

So specifically to the question \"what do such things cost new\": really a lot. To give exact figures for each model is not possible as they vary by configuration, but in the order of tens of thousands of CZK for a notebook and tens to hundreds of thousands for a desktop. That is why the refurbished market is popular – it allows getting the same quality hardware at an accessible price.

The Precision vs ThinkPad P notebook series philosophy (how manufacturers approach them)

Although both product types target a similar segment, Dell and Lenovo approach workstations somewhat differently:

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Dell Precision (mobile): Dell tries to combine performance with modern design and innovation. Newer Precision notebooks have a more elegant appearance, thinner bezels, optionally touch or OLED displays, etc. Dell is known for excellent display performance – their higher-end models often score excellent color accuracy (Precision 5000 series with 4K OLED is praised by photographers and designers). At the same time, Dell emphasizes connectivity and integration (Dell Mobile Connect, Thunderbolt 4, etc.).
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Lenovo ThinkPad P: Lenovo builds on the IBM ThinkPad heritage – that is, conservative, functional design, emphasis on reliability and ergonomics. The ThinkPad P series is often described as a \"tank\" among notebooks: minimalist black appearance, robust construction, minimum of unnecessary features. The ThinkPad keyboard is legendary – excellent travel, backlighting, spill resistance. The TrackPoint (red pointing stick in the middle of the keyboard) is a feature unique to ThinkPads that many users swear by for precision work. Lenovo also emphasizes long-term component availability for service.
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To simplify: Dell Precision = innovation, top performance, some design flair and excellent price/performance ratio; Lenovo ThinkPad P = traditional robustness, best build quality and input devices, modularity and the prestige of the ThinkPad brand (at a higher price). Both manufacturers regularly update their series, so the current generation differences may be different from older refurbished models.

From the perspective of service and support: Both ThinkPads and Precision models are typically delivered with above-standard warranty and on-site service (for new units). For refurbished units it depends on the seller – ImportPC provides a 2-year warranty on refurbished notebooks and PCs, so you do not need to worry; the coverage is solid. Historically IBM/Lenovo ThinkPad has had excellent service parts availability – spare parts for older ThinkPads are available for many years, which is advantageous for service longevity.

Overview of models in stock and their specifics (with links)

Below we list specific Dell Precision and Lenovo ThinkPad P models that are currently available in the offer (in stock at ImportPC), along with their basic characteristics. For more detailed parameters you can click the link for each model:

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Lenovo ThinkPad P50 – 15.6\" mobile workstation (approx. year 2016). Equipped with Intel 6th generation processors Core i7 HQ or Xeon E3 v5, up to 4 cores/8 threads. Supports max. 64 GB DDR4 RAM, has 2 slots for drives (M.2 SSD + 2.5\" SATA) and a GPU NVIDIA Quadro M1000M (2GB) in the standard configuration. The display is Full HD IPS (matte). Solid, proven model as the \"first serious ThinkPad P\" – ideal for CAD, 3D and other professional tasks, now available at an attractive refurbished price.
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Lenovo ThinkPad P52 – 15.6\" workstation (2018). Significant upgrade over P50: 6-core Intel 8th generation processors (up to Core i7-8850H), again supporting 64 GB RAM. Graphics NVIDIA Quadro P1000 (4GB) or P2000 (4GB) – a notable step forward from M1000M. The chassis remains the same solid ThinkPad design. P52 is an excellent choice for those who need more CPU performance than P50 offers and a stronger GPU. Still very affordable as a refurbished unit.
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Lenovo ThinkPad P53 – 15.6\" workstation (2019). Advance to Intel 9th generation (up to Core i7-9850H 6c/12t), with option for Core i9 or Xeon E-2276M as well. The biggest change is GPU: available NVIDIA Quadro RTX 3000, RTX 4000 or RTX 5000 – these are significantly more powerful Turing cards with ray tracing support and tensor cores for AI. P53 thus covers even very demanding workloads. As a 2019 machine it is still current, and refurbished it represents an excellent value for money.
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Dell Precision 7520 – 15.6\" mobile workstation (2017). Equipped with Intel 7th generation Core i5/i7 or Xeon E3 v6 processors (Kaby Lake, up to 4 cores). Supports 4 RAM modules DDR4 up to 64 GB. GPU options improved compared to earlier generations – typically Quadro M1200 (4GB) or M2200 (4GB). This model is interesting for those who want a more compact workstation with a solid GPU. Dell's design is more modern/sleek compared to ThinkPad.
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Dell Precision 7720 – 17.3\" mobile workstation (2017), the larger sibling of the 7520. Same 7th gen Intel platform (often i7-7700HQ, Xeon v6, etc.), but thanks to the larger body allows fitting a more powerful GPU and better cooling. Available with Quadro M2200 (4GB), M3000M (6GB) or even P3200 (6GB). Suitable for those who need maximum performance in a notebook form factor and are not deterred by the larger size (17" display, higher weight). An excellent choice for video editing or 3D work.
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Dell Precision 7550 – 15.6\" mobile workstation (2020). This is one of the newer generations where Dell changed the design – the 7550 is smaller by ~19% than predecessors (thanks to reduced bezels) and lighter, yet more powerful. Processor options include Intel 10th generation Core (up to i9-10885H, 8 cores) or Xeon W-10885M. GPU choices include Quadro RTX 3000, 4000, 5000 or even T2000/T1000 for the base versions. The 7550 also offers Thunderbolt 3, Wi-Fi 6 and other modern connectivity. An ideal choice if you want a newer and more compact workstation with a modern GPU.
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Dell Precision T3610 (MT) – desktop tower workstation (approx. year 2013). Built on the Intel Xeon E5 v2 platform (socket LGA2011). Typically equipped with Xeon E5-1620 v2 (4×3.7 GHz) or higher models up to 8 cores, supports 128 GB ECC DDR3 RAM (8 DIMM slots). A massive steel tower with excellent expandability: 3 PCIe slots (incl. x16), 5+ drive bays. Original graphics are often entry-level Quadro or NVS, but thanks to a powerful 425W or 685W PSU you can upgrade to modern gaming or professional graphics. Ideal as a budget high-performance desktop for rendering, virtual machines, or as a home server. Older generation but extremely reliable and very affordable.
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Dell Precision T3620 (MT) – desktop workstation (approx. 2016) of the lower class (so-called entry-level workstation). Uses the Intel Xeon E3 v5 platform (socket LGA1151) or i7, thus max 4 cores (8 threads), but with high clock speeds (Xeon E3-1240 v5 at 3.5 GHz). Supports up to 64 GB ECC DDR4 RAM. It is a smaller and more economical workstation than the T3610 – more for office/CAD use than massive rendering. Solid chassis, quiet under light load. A good choice for those who need the reliability of Xeon and ECC memory but do not need more than 4 cores.
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Dell Precision 7810 (MT) – powerful desktop workstation (approx. 2015) with the option of two Xeon E5 v3/v4 processors. In our case it is equipped with one Xeon E5-2609 v3 (6 cores) – more of a basic model of this category – but the platform allows adding a second CPU and expanding to even more cores and threads. Supports enormous amounts of ECC RAM (up to 256 GB). This machine is for serious computational tasks, virtualization, or as a development server. Older, but from the top workstation tier – robust construction, multiple PCIe slots, quiet cooling even under load.
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The models listed above offer a range of options – from mobile stations suitable even for travel (P52, 7550) to heavy-duty desktop machines (7810). We hope this overview helps with orientation, and through the links you can view the details of each product on the retailer's website. If you are not sure about your choice, consider your priorities: portability vs. performance, newer vs. older generation, notebook vs. desktop. For any questions the ImportPC team is happy to help.

In closing, both Dell Precision and Lenovo ThinkPad P are excellent workstation series. They offer desktop performance in a mobile form factor, server reliability in a PC form factor, and the ergonomics and durability of top-tier business machines. Whatever specific model you choose, you will get a professional tool built to last – and in the case of refurbished models from ImportPC, at an extremely favorable price. We believe this overview has given you a comprehensive picture of what these machines offer and will help you in your decision-making.

Source of information: Technical specifications and descriptions of the listed models were drawn from the ImportPC website (see links above) and from official Dell and Lenovo materials. We hope it serves you as a useful guide when deciding on your new workstation. We wish you a happy selection and may your new machine serve you faithfully for many years!

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