On this page we compare specs Lenovo ThinkPad P51 20HJS0EF0A with other notebooks, we compare screens and performance, the amount of RAM and hard drive memory, external dimensions, battery capacity and the availability of external ports.
| Processor | Lenovo ThinkPad P51 20HJS0EF0A | |
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| Processor model | i7-7820HQ | |
| Processor series | Intel Core i7-7800 Mobile Series | |
| Processor threads | 8 | |
| Processor cores | 4 | |
| Processor codename | Kaby Lake | |
| Processor family | 7th gen Intel Core i7 | |
| Processor frequency | 2.9 GHz | |
| Motherboard chipset | Intel CM238 | |
| Processor boost frequency | 3.9 GHz | |
| Processor cache | 8 MB | |
| Thermal Design Power (TDP) | 45 W | |
| Software | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Operating system installed | Windows 10 Pro | |
| Operating system architecture | 64-bit | |
| Display & Graphics | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Panel type | IPS | |
| Aspect ratio | 16:9 | |
| Contrast ratio | 700:1 | |
| Display diagonal | 15.6 inch | |
| Display resolution | 1920 x 1080 pixels | |
| Display surface | Matt | |
| LED backlight | Yes | |
| Screen shape | Flat | |
| Discrete graphics adapter | Yes | |
| Discrete graphics adapter model | NVIDIA Quadro M1200M | |
| Maximum on-board graphics adapter memory | 64 GB | |
| Number of displays supported | 3 | |
| On-board graphics adapter | Yes | |
| On-board graphics adapter base frequency | 350 MHz | |
| On-board graphics adapter DirectX version | 12.0 | |
| On-board graphics adapter dynamic frequency (max) | 1100 MHz | |
| On-board graphics adapter family | Intel HD Graphics | |
| On-board graphics adapter model | Intel HD Graphics 630 | |
| On-board graphics adapter OpenGL | 4.4 | |
| Memory | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Internal memory | 16 GB | |
| Maximum internal memory | 64 GB | |
| Memory clock speed | 2400 MHz | |
| Memory form factor | SO-DIMM | |
| Memory slots | 4x SO-DIMM | |
| Internal memory type | DDR4-SDRAM | |
| Storage | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Storage media | SSD | |
| Total storage capacity | 512 GB | |
| LightScribe | No | |
| Optical drive type | No | |
| Card reader integrated | Yes | |
| Compatible memory cards | MMC, SD, SDHC, SDXC | |
| Network & Communication | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| 3G | No | |
| 4G | No | |
| Bluetooth | Yes | |
| Ethernet LAN | Yes | |
| Wi-Fi | Yes | |
| Wi-Fi standards | IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n | |
| Interfaces/Ports | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| HDMI version | 1.4b | |
| HDMI ports quantity | 1 | |
| Combo headphone/mic port | Yes | |
| DC-in jack | Yes | |
| Docking connector | Yes | |
| DVI port | No | |
| Ethernet LAN (RJ-45) ports | 1 | |
| Microphone in | No | |
| Mini DisplayPorts quantity | 1 | |
| USB 3.0 (3.1 Gen 1) Type-A | 4 | |
| USB 3.0 (3.1 Gen 1) Type-C | 1 | |
| USB Sleep-and-Charge | 1 | |
| Input Devices | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Full-size keyboard | Yes | |
| Numeric keypad | Yes | |
| Pointing device | ThinkPad UltraNav | |
| Spill resistant keyboard | Yes | |
| Windows keys | Yes | |
| Audio | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Audio chip | Realtek ALC3268 | |
| Built-in microphone | Yes | |
| Number of speakers | 2 | |
| Number of microphones | 2 | |
| Speaker power | 2 W | |
| Built-in Devices | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Front camera | Yes | |
| Front camera resolution | 1280 x 720 pixels | |
| Front camera signal format | 720p | |
| Power | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| AC adapter frequency | 50/60 | |
| AC adapter input voltage | 100 - 240 | |
| AC adapter power | 170 W | |
| Security | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Cable lock slot | Yes | |
| Fingerprint reader | Yes | |
| Password protection | Yes | |
| Trusted Platform Module (TPM) | Yes | |
| Design | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Brand | Lenovo | |
| Family | ThinkPad | |
| Series | P | |
| Model name | P51 | |
| Part Number | 20HJS0EF0A | |
| Product type | Mobile workstation | |
| Form factor | Clamshell | |
| Colour of product | Black | |
| Market positioning | High performance | |
| Housing material | Aluminium, Glass-reinforced plastic (GRP), Magnesium | |
| Depth | 252.3 mm | |
| Width | 377.4 mm | |
| Height (rear) | 2.94 cm | |
| Height (front) | 2.45 cm | |
| Weight | 2.67 kg | |
| Release Date | 2017-12-13 | |
| Battery Information | Lenovo ThinkPad P51 20HJS0EF0A | other notebooks |
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| Battery type | Lithium Polymer (LiPo) | |
