In depth comparison and review of MSI GP66 11UH (251UK Leopard) and MSI GS66 12UGS (203UK Stealth). 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 MSI GP66 11UH (251UK Leopard) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
robust build quality
excellent cooling system
good audio quality
heavy and bulky
short battery life
noisy under load
expensive price point
Advantages and disadvantages of MSI GS66 12UGS (203UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
sleek, durable design
advanced cooling system
good battery life
relatively expensive
heavy for portability
noisy under load
limited color accuracy
| DESIGN AND DIMENSIONS | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.8 cm x 26.7 cm x 2.34 cm | 35.83 cm x 24.8 cm x 1.98 cm |
| Weight | 2.38 kg | 2.1 kg |
| Colour | - | Core black |
| DISPLAY | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 2560 x 1440 (QHD) |
| V-Sync Rate at Max Res. | 240 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Colour Gamut | 100% sRGB | 100% DCI-P3 |
| Features | MSI Matrix Display | MSI Matrix Display, IPS-level |
| PROCESSOR | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| CPU | Intel Core i7 (11th Gen) 11800H / 2.3 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.7 GHz |
| Number of Cores | 8-core | 14-core |
| Cache | 24 MB | 24 MB |
| Chipset | Intel HM570 | - |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Speed Shift Technology, Intel Deep Learning Boost (DL Boost) | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost) |
| MEMORY | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| RAM | 32 GB (2 x 16 GB) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 3200 MHz | 4800 MHz |
| Rated Speed | 3200 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 | NVIDIA GeForce RTX 3070 Ti |
|---|---|---|
| Video Memory | 8 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Resizable BAR, Dynamic Boost 2.0 | Max-Q design, Dynamic Boost |
| Gaming | - | Yes |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | - | IR camera |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, microphone | Stereo speakers, microphone |
| Audio Features | Nahimic 3 sound technology | Dynaudio Premium Sound Technology, Nahimic 3 sound technology |
| COMMUNICATIONS | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6E AX1675 | Killer Wi-Fi 6E AX1675 |
| Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | - | Killer E3100G |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Technology | 4-cell lithium polymer | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 65 Wh | 99.9 Wh |
| AC ADAPTER | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Output | - | 240 Watt |
|---|
| INPUT | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | SteelSeries Engine 3, per-key RGB | Per-key RGB |
| CONNECTIONS & EXPANSIONS | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0) (1 free) |
|---|---|---|
| Interfaces | LAN HDMI Mini DisplayPort Headphone/microphone combo jack 3 x USB 3.2 Gen 1 |
LAN HDMI USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) 2 x USB 3.2 Gen 2 Headphone/microphone combo jack |
| SOFTWARE | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Home Advanced |
|---|---|---|
| Software Included | SteelSeries Engine 3, MSI APP Player | Norton Internet Security (60 days trial), Killer Network Manager, MSI Mystic Light, NVIDIA GeForce Experience, MSI APP Player, MSI Center, MSI Battery Master, SteelSeries GG, MSI Companion, Game Highlights, Ambient Link, Crosshair |
| MISCELLANEOUS | MSI GP66 11UH (251UK Leopard) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Fingerprint reader |
| Features | SteelSeries gaming keyboard, Cooler Boost 5 technology | SteelSeries gaming keyboard, Cooler Boost Trinity+ technology |
| Manufacturer Warranty | Limited warranty - 1 year | Limited warranty - 2 years |
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