In depth comparison and review of Lenovo ThinkPad P51 (20MN) and MSI WE63 8SI (645UK). 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 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 MSI WE63 8SI (645UK) based on its technical characteristics, features, user experience, expert reviews and price level.
robust professional design
powerful quad-core processor
high-quality full HD display
solid graphics performance
ample connectivity options
heavier than competitors
average battery life
limited upgradeability
premium price tag
| DESIGN AND DIMENSIONS | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| Product Type | Mobile workstation | Mobile workstation |
|---|---|---|
| Dimensions (WxDxH) | 37.74 cm x 25.23 cm x 2.94 cm | 38.3 cm x 26 cm x 2.75 cm |
| Weight | 2.67 kg | 2.29 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium-aluminum alloy | - |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" |
|---|---|---|
| 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 | - |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | - | 94% NTSC |
| Features | Anti-glare, 160° viewing angle | Anti-glare, WideView, MSI Matrix Display, MSI True Colour Technology |
| PROCESSOR | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| CPU | Intel Xeon E3-1505MV5 / 2.8 GHz | Intel Core i7 (8th Gen) 8750H |
|---|---|---|
| Max Turbo Speed | 3.7 GHz | - |
| Number of Cores | Quad-Core | 6-core |
| Cache | 8 MB | - |
| Chipset | Mobile Intel CM238 | Mobile Intel HM370 |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| RAM | 16 GB (1 x 16 GB) | 8 GB |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 2666 MHz |
| Rated Speed | 2400 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 4 | 2 |
| Empty Slots | 3 | - |
| STORAGE | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 1 TB HDD SATA / 7200 rpm |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA Quadro M2200 / Intel HD Graphics P530 | NVIDIA Quadro P1000 |
| Max Monitors Supported | 3 external monitor(s) | - |
| Video Memory | 4 GB | 4 GB GDDR5 SDRAM |
| Camera | Yes - 720p | Yes - 720p |
| Frame Rate | - | 30 frames per second |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, microphone |
| Codec | Realtek ALC3268 | - |
| Compliant Standards | High Definition Audio | - |
| COMMUNICATIONS | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8260 - M.2 Card | Intel Wireless-AC 9560 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| Technology | 6-cell Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 51 Wh |
| Battery Life | Up to 8.9 hours | - |
| AC ADAPTER | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 170 Watt, 20 V | 135 Watt |
| INPUT | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | White LED backlight |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| 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 |
LAN HDMI Microphone input Headphone/SPDIF combo jack Mini DisplayPort 3 x USB 3.1 Gen 1 USB-C 3.1 Gen 1 |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS-II Card) | Yes (SD Card, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| 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 10 Pro |
|---|---|---|
| Software Included | - | MSI BurnRecovery, MSI Battery Calibration, MSI System Control Manager, Norton Studio (Metro UI), Microsoft Office 2016 (30 days trial), MSI True Color 2.0, MSI Help Desk, MSI Dragon Gaming Center 2.0 |
| MISCELLANEOUS | Lenovo ThinkPad P51 (20MN) | MSI WE63 8SI (645UK) |
|---|
| 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, fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password, MIL-STD-810G tested | MSI SHIFT Technology, Cooler Boost 5 technology |
| Compliant Standards | RoHS | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | - | Limited warranty - 3 years |
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