In depth comparison and review of Lenovo ThinkPad P51 (20HJ) and Lenovo ThinkPad P52 (20M9). 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.74 cm x 25.23 cm x 2.94 cm | 37.74 cm x 25.23 cm x 2.94 cm |
| Weight | 2.55 kg | 2.45 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | Magnesium-aluminum alloy, polyphenylene sulfide |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | - |
| Widescreen | Yes | - |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 250 cd/m² | - |
| Features | Anti-glare | - |
| PROCESSOR | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| CPU | Intel Core i7 (7th Gen) 7820HQ / 2.9 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | - |
| Number of Cores | Quad-Core | - |
| Cache | 8 MB | - |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel CM238 | Mobile Intel CM246 |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| RAM | 8 GB (1 x 8 GB) | 0 GB |
|---|---|---|
| Max RAM Supported | 64 GB | - |
| RAM Type | DDR4 SDRAM - non-ECC | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 4 | 4 |
| Empty Slots | 3 | 4 |
| STORAGE | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Main Storage Size (HDD/SSD) | 500 GB HDD SATA 6Gb/s / 7200 rpm | - |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro M1200 / Intel HD Graphics 630 | - |
| Video Memory | 4 GB | - |
| Camera | Yes - 720p | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3268 | Realtek ALC3286 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Audio Premium, Dolby Atmos |
| COMMUNICATIONS | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | - |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | - |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 66 Wh | 90 Wh |
| Battery Life | Up to 6.5 hours | - |
| AC ADAPTER | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 170 Watt, 20 V | 170 Watt |
| INPUT | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| 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 |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Slots | 1 x ExpressCard/34 (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 3.1 Gen 1 (Always On) 2 x USB 3.1 Gen 1 2 x USB-C (supports Thunderbolt 3) Mini DisplayPort HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) |
| SOFTWARE | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | No operating system |
|---|
| MISCELLANEOUS | Lenovo ThinkPad P51 (20HJ) | Lenovo ThinkPad P52 (20M9) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| 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 | 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, MIL-STD-810G tested |
| Compliant Standards | RoHS | RoHS |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | - | EPEAT Silver |
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