In depth comparison and review of Lenovo ThinkPad P51 (20HJ) and Lenovo ThinkPad P15v Gen 2 (21AA). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo ThinkPad P15v Gen 2 (21AA) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
powerful processor performance
high-resolution display
ample connectivity options
good thermal management
heavier than competitors
average battery life
premium price point
limited color accuracy
| DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.74 cm x 25.23 cm x 2.94 cm | 36.65 cm x 25 cm x 2.27 cm |
| Weight | 2.55 kg | 2.07 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | Polycarbonate ABS |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| CPU | Intel Core i7 (7th Gen) 7820HQ / 2.9 GHz | Intel Core i9 (11th Gen) 11950H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 5 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | 24 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel CM238 | Intel WM590 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| RAM | 8 GB (1 x 8 GB) | 64 GB (2 x 32 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM - non-ECC |
| Speed | 2400 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 | 0 |
| STORAGE | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD SATA 6Gb/s / 7200 rpm | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Toshiba |
|---|---|---|
| RAID Level | - | RAID 0, RAID 1 |
| AUDIO & VIDEO | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 / Intel HD Graphics 630 | NVIDIA RTX A2000 / Intel UHD Graphics |
| Max Monitors Supported | - | 2 external monitor(s) |
| Video Memory | 4 GB | 4 GB GDDR6 SDRAM |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | - | Privacy shutter, IR camera, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3268 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | Intel Wi-Fi 6 AX 201 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Technology | 4-cell Lithium Ion | 6-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 66 Wh | 68 Wh |
| Battery Life | Up to 6.5 hours | Up to 9.5 hours |
| AC ADAPTER | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 170 Watt, 20 V | 135 Watt, 20 V |
| INPUT | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| 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 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Slots | 1 x ExpressCard/34 (1 free) | 2 x M.2 Card (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 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (SD Card) |
| SOFTWARE | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P15v Gen 2 (21AA) |
|---|
| 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 |
| Security Slot Type | Kensington security slot | Kensington 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, ThinkVantage Active Protection System, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | RoHS | RoHS, TCG Certified |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
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