Detailed comparison and review of Lenovo ThinkPad P51 (20MN) and Dell Precision 5770. 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 5770 based on its technical characteristics, features, user experience, expert reviews and price level.
stunning 4k display
powerful intel processors
slim, lightweight design
excellent build quality
good battery life
high price point
limited port selection
noisy under load
average webcam quality
DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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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 | 37.448 cm x 24.808 cm x 1.315 cm |
Weight | 2.67 kg | 2.17 kg |
Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | - |
Colour | Black | Grey |
DISPLAY | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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Screen Size (Type) | 15.6" - IPS | 17" |
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Touchscreen | - | Yes (10-point multi-touch) |
LCD Backlight Technology | LED backlight | WLED backlight |
Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (UHD+) |
Pixel Density (ppi) | - | 266 |
V-Sync Rate at Max Res. | - | 60 Hz |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 250 cd/m² | 500 cd/m² |
Colour Gamut | - | 100% sRGB |
Features | Anti-glare, 160° viewing angle | Anti-reflective, Wide Viewing Angle, ±85° horizontal viewing angle, ±85° vertical viewing angle, 35 ms response rate, Low Blue Light technology, 0.0954 mm pixel pitch |
PROCESSOR | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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CPU | Intel Xeon E3-1505MV5 / 2.8 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
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Max Turbo Speed | 3.7 GHz | 4.7 GHz |
Number of Cores | Quad-Core | 14-core |
Cache | 8 MB | 24 MB |
Chipset | Mobile Intel CM238 | Intel H45 |
Platform Technology | - | Intel vPro Platform |
Features | Integrated memory controller | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) |
MEMORY | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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RAM | 16 GB (1 x 16 GB) | 16 GB (2 x 8 GB) |
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Max RAM Supported | 64 GB | 64 GB |
RAM Type | DDR4 SDRAM | DDR5 SDRAM |
Speed | 2133 MHz | 4800 MHz |
Rated Speed | 2400 MHz | 4800 MHz |
Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
Slots Qty | 4 | 2 |
Empty Slots | 3 | 0 |
STORAGE | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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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 | 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe), Class 40 |
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AUDIO & VIDEO | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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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 RTX A2000 |
Max Monitors Supported | 3 external monitor(s) | - |
Video Memory | 4 GB | 8 GB GDDR6 SDRAM |
Camera | Yes - 720p | Yes - 1280 x 720 (standard), 640 x 360 (infrared) |
Resolution | - | 0.92 Megapixel (standard), 0.23 Megapixel (infrared) |
Camera Features | - | IR camera, RGB camera, 78.5 degrees |
Image Sensor Type | - | CMOS |
Video Resolutions | - | 1280 x 720 |
Frame Rate | - | 30 frames per second |
Sound | Stereo speakers, dual array microphone | Two subwoofers, two tweeters, dual array microphone |
Codec | Realtek ALC3268 | Realtek ALC711-CG |
Compliant Standards | High Definition Audio | - |
COMMUNICATIONS | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Intel Dual Band Wireless-AC 8260 - M.2 Card | Intel Wi-Fi 6E AX 211 |
Network Interface | Gigabit Ethernet | - |
Features | - | Dual stream (2x2) |
BATTERY | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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Technology | 6-cell Lithium Ion | 6-cell Lithium Ion |
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Battery Capacity (Size) | 90 Wh | 97 Wh |
Battery Life | Up to 8.9 hours | - |
AC ADAPTER | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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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 5770 |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad | - |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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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 |
4 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (DC-In combo, Power Delivery) Headphone/microphone combo jack |
Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (SD Card, SDHC Card, SDXC Card) |
SOFTWARE | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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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 + Windows 11 Pro Licence - Dutch / English / French / German / Italian |
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Software Included | - | Microsoft Office (30 days trial, excludes office licence) |
MISCELLANEOUS | Lenovo ThinkPad P51 (20MN) | Dell Precision 5770 |
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Dockable | Yes | - |
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Included Accessories | Power adapter | USB-C power adapter |
Integrated Options | - | Accelerometer, ambient light sensor, proximity sensor |
Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
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 | FIPS 140-2 |
ENERGY STAR Certified | Yes | - |
Max Operating Temperature | - | 35 °C |
Min Operating Temperature | - | 0 °C |
Humidity Range Operating | - | 10 - 90% (non-condensing) |