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Lenovo ThinkPad P51 15.6-inch

alaTest has collected and analyzed 10 reviews of Lenovo ThinkPad P51 15.6-inch. The average rating for this product is 4.4/5, compared to an average rating of 4.1/5 for other products in the same category for all reviews. Reviewers really like the battery and durability. The performance and screen also get good reviews, but comments are divided on the price.

portability, screen, performance, durability, battery

We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the Lenovo ThinkPad P51 15.6-inch is awarded an overall alaScore™ of 91/100 = Excellent quality.

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Review analysis

(Based on 10 reviews)

Expert Reviews  

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Showing 1 - 3 of 3 Show Reviews: in English | in other languages (7)

Expert review by : Avram Piltch (

Lenovo ThinkPad P51


When you need a notebook with high-end graphics performance for 3D modeling, video editing, animation or engineering applications, you want a mobile workstation. Lenovo's 15.6-inch ThinkPad P51 can handle all of those demanding tasks and more thanks to...

Strong performance; All-day battery life; Vibrant display

Heavy and bulky; Important ports are on the back; Screen dimmer than competitors'

Ideal for 3D modelers and engineers, the ThinkPad P51 packs plenty of power into a somewhat-bulky 15-inch chassis.

Aug, 2017

Expert review by : Charles P Jefferies (

Lenovo ThinkPad P51 Review


This large 15.6-incher is a true workstation thanks to its available Intel Xeon processor and Nvidia Quadro graphics.

Beautiful 4K display ; Excellent keyboard, touch pad, and pointing stick ; Available server-class components ; Impressive battery life

Options quickly add to the price ; Only a 1-year warranty is standard

Oct, 2017

Expert review by : Joe Herman (

Lenovo ThinkPad P51 Review and Ratings


Lenovo's latest industrial-strength mobile workstation delivers the goods for high-end rendering and media creation while being surprisingly portable.

Powerful ; Stunning 4K screen with built-in color calibrator ; Easily expandable

Pricey ; Speakers lack bass response

There is no question that the Lenovo ThinkPad P51 is an impressive 15.6-inch mobile workstation and one of the top-performing contenders in its class. The 15.6-inch form factor is very popular among mobile workstation users, especially when it offers...

Nov, 2017

Product Specifications


Audio chip:Realtek ALC3268
Built-In Microphone:Y
Built-in subwoofer:N
Number of built-in speakers:2
Number of microphones:2
Speaker power:2


Battery capacity (Watt hours):66 / 90
Battery life (max):4 / 6.1
Battery technology:Lithium Polymer (LiPo) / Lithium-Ion (Li-Ion)
Number of battery cells:4 / 6


Colour sensor:Y
Front Camera:Y
Front camera HD type:HD
Front camera resolution:1280 x 720
Front camera resolution (numeric):1
Front camera signal format:720p


Certification:GreenGuard / MIL-STD-810G
Energy Star certified:Y
EPEAT compliance:Gold / Silver
RoHS compliance:Y


Colour name:Black
Colour of product:Black
Form factor:Clamshell
Housing material:Aluminium, Glass fiber, Magnesium / Aluminium, Glass-reinforced plastic (GRP), Magnesium / Aluminium, Magnesium / Glass fiber, Plastic
Market positioning:Business / High Performance
Product colour:Black
Product Type:Mobile thin client / Mobile workstation / Notebook
Surface coloration:Monotone


Aspect Ratio:16:9
Contrast ratio (typical):1000:1 / 700:1
Display brightness:250 / 300
Display diagonal:39.6
Display Resolution:1920 x 1080 / 1920 x 1280 / 3840 x 2160
Display Surface:Matt
HD type:4K Ultra HD / Full HD
LED Backlight:Y
Panel Type:IPS
Screen shape:Flat
Touch technology:Multi-touch
Touchscreen:N / Y
Touchscreen Type:Capacitive

Docking station

Docking station included:Y


Battery LED indicator:Y
LED indicators:Y
Plug and Play:Y


Discrete graphics adapter:N / Y
Discrete graphics adapter memory:4
Discrete graphics adapter model:Not available / Nvidia GeForce GT 520M / NVIDIA Quadro M1200 / NVIDIA Quadro M1200M / NVIDIA Quadro M2000M / NVIDIA Quadro M2200 / NVIDIA Quadro M2200M
Discrete graphics memory type:GDDR5
Maximum on-board graphics adapter memory:1.7 / 1.74 / 32 / 64
Maximum Resolution:3840 x 2160 / 4096 x 2160
Number of discrete graphics adapters installed:1
Number of discrete graphics adapters supported:1
Number of displays supported (on-board graphics):3
On-board graphics adapter:Y
On-board graphics adapter base frequency:300 / 350
On-board graphics adapter DirectX version:12.0
On-board graphics adapter dynamic frequency (max):1050 / 1100 / 1150
On-board graphics adapter family:Intel® HD Graphics
On-board graphics adapter ID:0x191D / 0x5916 / 0x591B / 0x591D / 1916
On-board graphics adapter model:Intel HD Graphics 620 / Intel HD Graphics 630 / Intel HD Graphics P530 / Intel HD Graphics P630 / Intel® HD Graphics 520 / Intel® HD Graphics 630 / Intel® HD Graphics P530 / Intel® HD Graphics P630
On-board graphics adapter OpenGL version:4.4


Adjustable keyboard height:Y
Connectivity Technology:Wired / Wireless
Device interface:RF Wireless / USB
Fingerprint Reader:N
Full-size keyboard:Y
Island-style keyboard:Y
Keyboard backlit:Y
Keyboard form factor:Standard
Keyboard keys operating life:10
Keyboard language:Spanish / Swiss / UK English / US English
Keyboard layout:QWERTY / QWERTZ
Keyboard style:Straight
Keys operating life:10
Numeric keypad:Y
Pointing device:N / SinglePoint / ThinkPad UltraNav / Touchpad
Recommended usage:Universal
Spill resistant keyboard:Y
Windows keys:Y
Wrist rest:N / Y


Internal Memory:16 / 32 / 64 / 8
Internal memory type:DDR4-SDRAM
Maximum internal memory:32 / 64
Maximum internal memory (64-bit):32 / 64
Memory clock speed:2133 / 2400
Memory form factor:SO-DIMM
Memory layout (slots x size):1 x 16 / 1 x 8 / 2 x 16 / 2 x 8 / 4 x 16
Memory slots:2x SO-DIMM / 4x SO-DIMM


Buttons quantity:3
Buttons type:Pressed buttons
Form factor:Ambidextrous
Mouse included:N / Y
Number of scroll wheels:1
Scroll type:Wheel
Scrolling directions:Horizontal / Vertical


Antenna type:2X2
Bluetooth version:4.1 / 4.2
Ethernet LAN:Y
Ethernet LAN data rates:10,100,1000
Near Field Communication (NFC):N
SIM card support:N
Top Wi-Fi standard:IEEE 802.11ac
Wi-Fi:N / Y
Wi-Fi standards:IEEE 802.11a,IEEE 802.11ac,IEEE 802.11b,IEEE 802.11g,IEEE 802.11n / IEEE 802.11ac
WLAN controller model:Intel Dual Band Wireless-AC 8265

Operational conditions

Operating relative humidity (H-H):20 - 95
Operating temperature (T-T):0 - 40

Optical Drive

Optical Drive Type:N

Other features

Warranty note:3 Year On-site
WLAN controller model:Intel Dual Band Wireless-AC 8265

Packaging Content

AC adapter included:Y
Batteries included:Y
Power cord included:Y
Quick start guide:Y
Receiver included:Y
Warranty card:Y

Packaging Data

AC adapter included:Y
Package depth:485
Package height:42
Package Type:Box
Package weight:1.08
Package width:205
Power cord included:Y
Quick start guide:Y
Warranty card:Y

Ports & interfaces

Charging port type:DC-in jack
Combo headphone/mic port:Y
DC-in jack:Y
DisplayPort version:1.2
Docking connector:Y
DVI port:N
Ethernet LAN (RJ-45) ports:1
ExpressCard slot:Y
HDMI ports quantity:1
HDMI Version:1.4 / 1.4b
Headphone outputs:1
Microphone in:N
Mini DisplayPorts quantity:1
SmartCard slot:Y
Thunderbolt 3 ports quantity:1 / 2
USB 3.0 (3.1 Gen 1) Type-A ports quantity:3 / 4
USB 3.0 (3.1 Gen 1) Type-C ports quantity:1
USB 3.1 (3.1 Gen 2) Type-C ports quantity:1
USB Sleep-and-Charge:Y
USB Sleep-and-Charge ports:1
USB Type-C Thunderbolt 3 ports quantity:1


AC adapter frequency:50/60
AC adapter input voltage:100 - 240
AC adapter power:170
Battery technology:Alkaline
Mouse battery type:AA
Power Consumption:100
Power source type:Battery / USB


Bus type:DMI3 / OPI
Configurable TDP-down:35
Configurable TDP-down frequency:800
Conflict Free processor:Y
ECC supported by processor:N / Y
Maximum number of PCI Express lanes:12 / 16
Motherboard chipset:Intel CM236 / Intel CM238 / Intel® CM238
PCI Express configurations:1x16,1x8+2x4,2x8 / 1x16,1x8,2x4,2x8 / 1x16,2x8,1x8+2x4 / 1x2,1x4,2x2,2x1,4x1 / 1x4,4x1
PCI Express slots version:3.0
Processor boost frequency:3.1 / 3.4 / 3.7 / 3.8 / 3.9 / 4.00 / 4.20
Processor cache:4 / 6 / 8
Processor cache type:Smart Cache
Processor codename:Kaby Lake / Skylake
Processor Cores:2 / 4
Processor frequency:2.5 / 2.6 / 2.8 / 2.9 / 3.00 / 3.10
Processor lithography:14
Processor Model:E3-1505MV5 / E3-1505MV6 / E3-1535MV5 / E3-1535Mv6 / I7-6500U / I7-6600U / i7-7600U / i7-7700HQ / i7-7820HQ
Processor operating modes:64-bit
Processor Series:Intel Core i7-6500 Mobile series / Intel Core i7-6600 Mobile series / Intel Core i7-7600 Mobile Series / Intel Core i7-7700 Mobile Series / Intel Core i7-7800 Mobile Series / Intel Xeon E3-1500M v5 / Intel Xeon E3-1500M v6
Processor Socket:BGA 1356 / BGA 1440 / BGA1440 / FCBGA1440 / LGA 1356 (Socket B2)
Processor threads:4 / 8
Stepping:B0 / D1 / H0 / R0
System bus rate:4 / 8
Thermal Design Power (TDP):15 / 45

Processor special features

Conflict Free processor:Y
CPU configuration (max):1
Embedded options available:N / Y
Enhanced Intel SpeedStep Technology:Y
Execute Disable Bit:Y
Graphics & IMC lithography:14
Idle States:Y
Intel 64:Y
Intel Clear Video Technology:Y
Intel Enhanced Halt State:Y
Intel Flex Memory Access:Y
Intel HD Graphics:Y
Intel Secure Key Technology version:1.00
Intel Small Business Advantage (SBA) version:1.00
Intel Smart Connect Technology:Y
Intel Smart Response Technology version:1.00
Intel Software Guard Extensions (Intel SGX):1 / Y
Intel Stable Image Platform Program (SIPP):N / Y
Intel Stable Image Platform Program (SIPP) version:0.00 / 1.00
Intel Trusted Execution Technology:N / Y
Intel TSX-NI:N / Y
Intel TSX-NI version:1.00
Intel Virtualization Technology (VT-x):Y
Intel Virtualization Technology for Directed I/O (VT-d):Y
Intel VT-x with Extended Page Tables (EPT):Y
Intel® AES New Instructions (Intel® AES-NI):Y
Intel® Clear Video HD Technology (Intel® CVT HD):Y
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID):Y
Intel® Hyper Threading Technology (Intel® HT Technology):Y
Intel® Identity Protection Technology (Intel® IPT):Y
Intel® Insider™:Y
Intel® InTru™ 3D Technology:Y
Intel® My WiFi Technology (Intel® MWT):Y
Intel® OS Guard:Y
Intel® Quick Sync Video Technology:Y
Intel® Secure Key:Y
Intel® Small Business Advantage (Intel® SBA):Y
Intel® Smart Cache:Y
Intel® Smart Response Technology:Y
Intel® Turbo Boost Technology:2.0
Intel® vPro™ Technology:Y
Intel® Wireless Display (Intel® WiDi):Y
Processor ARK ID:88192 / 88194 / 89608 / 89610 / 97185 / 97463 / 97466 / 97468 / 97496
Processor code:SR2EZ / SR2F1 / SR2FM / SR2FN / SR32H / SR32K / SR33Z
Processor package size:42 / 42 x 24 / 42 x 28
Supported instruction sets:AVX 2.0,SSE4.1,SSE4.2 / SSE4.1,SSE4.2,AVX 2.0
Thermal Monitoring Technologies:Y


Receiver Type:Micro


Cable lock slot:Y
Fingerprint Reader:Y
Password protection:Y
Password protection type:BIOS, HDD, User / BIOS, User / HDD, Power on, Supervisor / HDD, Supervisor / Supervisor
Trusted Platform Module (TPM):Y


Drivers included:Y
Operating System Architecture:64-bit
Operating system installed:FreeDOS / N / Windows 10 / WINDOWS 10 HOME / WINDOWS 10 PRO


Card reader integrated:Y
Compatible memory cards:MMC,SD,SDHC,SDXC
Hard Drive Capacity:1000 / 500
Hard Drive Interface:SATA III
Hard Drive Size:2.5
Hard drive speed:5400 / 7200
HDD Capacity:1000 / 500
HDD interface:SATA III
HDD Size:2.5
HDD Speed:5400 / 7200
Number of Hard Drives Installed:1 / 2
Number of HDDs installed:1
Number of SSDs installed:1 / 2
Solid-state drive capacity:1000 / 1024 / 256 / 512
Solid-state drive interface:M.2 / NVMe 3.0,PCI Express / PCI Express / PCI Express 3.0
SSD capacity:256 / 512
SSD form factor:M.2
SSD interface:NVMe 3.0,PCI Express / PCI Express
Storage Media:HDD / HDD+SSD / SSD
Total Storage Capacity:1000 / 1024 / 1256 / 1500 / 1512 / 2000 / 2048 / 2500 / 2512 / 2548 / 256 / 3000 / 500 / 512 / 756

System requirements

Linux operating systems supported:Y

Weight & Dimensions

Depth:252.3 / 252.8
Height (front):2 / 2.45 / 2.58
Height (rear):2.59 / 2.94 / 3.07
Keyboard dimensions (WxDxH):155.5 x 424 x 20.5
Keyboard weight:580
Weight:2.5 / 2.55 / 2.67 / 2.9
Width:365.8 / 377.4