Detailed comparison and review of Lenovo ThinkPad P51 (20MN) and Dell Precision 3561. With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad P51 (20MN) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard
powerful processor
high-resolution display
good connectivity options
heavy and bulky
expensive
average battery life
noisy under load
Advantages and disadvantages of Dell Precision 3561 based on its technical characteristics, features, user experience, expert reviews and price level.
robust processing power
excellent connectivity options
durable build quality
comfortable keyboard layout
good battery life
heavier than competitors
average display quality
limited graphics performance
higher price point
DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Product Type | Mobile workstation | Mobile workstation |
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Dimensions (WxDxH) | 37.74 cm x 25.23 cm x 2.94 cm | 35.78 cm x 23.33 cm x 2.405 cm |
Weight | 2.67 kg | 1.79 kg |
Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | - |
Colour | Black | Grey |
DISPLAY | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Screen Size (Type) | 15.6" - IPS | 15.6" |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
Pixel Density (ppi) | - | 141 |
V-Sync Rate at Max Res. | - | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 250 cd/m² | 250 cd/m² |
Colour Gamut | - | 45% NTSC |
Features | Anti-glare, 160° viewing angle | Anti-glare, Wide Viewing Angle, ±80° horizontal viewing angle, ±80° vertical viewing angle, 25 ms response rate, 0.179 mm pixel pitch |
PROCESSOR | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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CPU | Intel Xeon E3-1505MV5 / 2.8 GHz | Intel Core i7 (11th Gen) 11800H / 2.3 GHz |
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Max Turbo Speed | 3.7 GHz | 4.6 GHz |
Number of Cores | Quad-Core | 8-core |
Cache | 8 MB | 24 MB |
Chipset | Mobile Intel CM238 | Intel WM590 |
Features | Integrated memory controller | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) |
MEMORY | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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RAM | 16 GB (1 x 16 GB) | 16 GB (1 x 16 GB) |
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Max RAM Supported | 64 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2133 MHz | 3200 MHz |
Rated Speed | 2400 MHz | 3200 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
Slots Qty | 4 | 2 |
Empty Slots | 3 | 1 |
STORAGE | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 256 GB SSD M.2 PCIe - NVM Express (NVMe) |
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AUDIO & VIDEO | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
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Graphics Processor (GPU) | NVIDIA Quadro M2200 / Intel HD Graphics P530 | NVIDIA T600 |
Max Monitors Supported | 3 external monitor(s) | - |
Video Memory | 4 GB | 4 GB GDDR6 SDRAM |
Camera | Yes - 720p | Yes |
Camera Features | - | RGB camera |
Image Sensor Type | - | CMOS |
Frame Rate | - | 30 frames per second |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3268 | Realtek ALC3204 |
Compliant Standards | High Definition Audio | High Definition Audio |
Audio Features | - | MaxxAudio Pro |
COMMUNICATIONS | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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Wireless Controller | Intel Dual Band Wireless-AC 8260 - M.2 Card | Intel Wi-Fi 6 AX 201 - M.2 2230 |
Network Interface | Gigabit Ethernet | Ethernet |
BATTERY | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Technology | 6-cell Lithium Ion | 4-cell lithium polymer |
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Battery Capacity (Size) | 90 Wh | 64 Wh |
Battery Life | Up to 8.9 hours | - |
AC ADAPTER | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 170 Watt, 20 V | 130 Watt, 5 / 20 V |
INPUT | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | Yes | Yes |
Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad | - |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Slots | 1 x ExpressCard/34 (1 free) | - |
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Interfaces | USB 3.1 Gen 1/USB 3.0 (Always On) 3 x USB 3.1 Gen 1/USB 3.0 USB-C (supports Thunderbolt 3) Mini DisplayPort HDMI LAN Dock Headphone/microphone combo jack |
HDMI 2 x USB-C (supports Thunderbolt 4, DisplayPort 2.0 Alt Mode) (Power Delivery) USB 3.2 Gen 1 (PowerShare) USB 3.2 Gen 1 LAN Headphone/microphone combo jack |
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (microSD, microSDHC, microSDXC) |
SOFTWARE | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 10 Pro for Workstations 64-bit Edition) + Windows 10 Pro for Workstations 64-bit Edition Licence | Windows 10 Pro 64-bit Edition - Multilingual User Interface (MUI) |
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Software Included | - | Microsoft Office (Trial) |
MISCELLANEOUS | Lenovo ThinkPad P51 (20MN) | Dell Precision 3561 |
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Dockable | Yes | - |
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Included Accessories | Power adapter | USB-C power adapter |
Integrated Options | - | Accelerometer |
Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, smart card reader |
Security Slot Type | Kensington security slot | Noble Wedge security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | ExpressCharge |
Compliant Standards | RoHS | - |
ENERGY STAR Certified | Yes | - |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 0 °C |
Humidity Range Operating | - | 10 - 80% (non-condensing) |