Detailed comparison and review of Lenovo ThinkPad P51 (20MN) and Lenovo ThinkPad P16 Gen 2 (21FA). 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 Lenovo ThinkPad P16 Gen 2 (21FA) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
excellent keyboard comfort
advanced security features
high-resolution display
heavier than competitors
expensive base model
average battery life
limited color accuracy
| DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Product Type | Mobile workstation | Mobile workstation - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 37.74 cm x 25.23 cm x 2.94 cm | 36.4 cm x 26.6 cm x 3.023 cm |
| Weight | 2.67 kg | 2.95 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | Aluminium (top), glass-fibre (bottom), polyphenylene sulfide (bottom) |
| Colour | Black | Storm grey (top), villi black (bottom) |
| DISPLAY | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Screen Size (Type) | 15.6" - IPS | 16" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1600 (WQXGA) |
| V-Sync Rate at Max Res. | - | 165 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-glare, Low Blue Light technology, Eyesafe technology, X-Rite Pantone factory color calibration, DC dimming, 83.4% screen-to-body ratio |
| PROCESSOR | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| CPU | Intel Xeon E3-1505MV5 / 2.8 GHz | Intel Core i7 (13th Gen) 13700HX / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | 5 GHz |
| Number of Cores | Quad-Core | 16-core |
| Cache | 8 MB | 30 MB |
| Chipset | Mobile Intel CM238 | Intel WM790 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| RAM | 16 GB (1 x 16 GB) | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 192 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM - non-ECC |
| Speed | 2133 MHz | 5600 MHz |
| Rated Speed | 2400 MHz | 5600 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 4 | 4 |
| Empty Slots | 3 | 2 |
| STORAGE | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| 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 - TCG Opal Encryption 2, NVM Express (NVMe), Performance |
|---|---|---|
| RAID Level | - | RAID 0, RAID 1 |
| AUDIO & VIDEO | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro M2200 / Intel HD Graphics P530 | NVIDIA RTX A1000 / Intel UHD Graphics |
| Max Monitors Supported | 3 external monitor(s) | 3 external monitor(s) |
| Video Memory | 4 GB | 6 GB GDDR6 SDRAM |
| Video System Features | - | NVIDIA TXAA, Direct X 12 Ultimate, Vulkan Support, NVIDIA FXAA |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3268 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Atmos |
| Audio Features | - | Input: Dolby Voice, far-field |
| COMMUNICATIONS | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| 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) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Technology | 6-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 94 Wh |
| Battery Life | Up to 8.9 hours | - |
| AC ADAPTER | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 170 Watt, 20 V | 170 Watt |
| INPUT | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Slots | 1 x ExpressCard/34 (1 free) | 2 x M.2 (PCI Express 4.0 x4) (1 free) |
|---|---|---|
| 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 |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 2 (Power Delivery 3.0) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (SD Express Card) |
| SOFTWARE | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| 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 11 Pro - English |
|---|---|---|
| Software Included | - | NVIDIA RTX Desktop Manager |
| MISCELLANEOUS | Lenovo ThinkPad P51 (20MN) | Lenovo ThinkPad P16 Gen 2 (21FA) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader, smart card reader |
| Security Slot Type | Kensington security slot | Kensington nano 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 | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password, bottom cover tamper detection |
| Compliant Standards | RoHS | RoHS, TUV Rheinland Low Blue Light Certification, TCG Certified, TUV Rheinland Eye Comfort Certification, TCO Certified 9.0 |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | - | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site - response time: next business day |
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