In depth comparison and review of MSI GS66 10UE (277UK Stealth) 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 GS66 10UE (277UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
sleek, portable design
high refresh rate display
robust build quality
effective cooling system
expensive price point
average battery life
limited port selection
noisy under load
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 GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.83 cm x 24.8 cm x 1.98 cm | 35.83 cm x 24.8 cm x 1.98 cm |
| Weight | 2.1 kg | 2.1 kg |
| Colour | Core black | Core black |
| DISPLAY | MSI GS66 10UE (277UK Stealth) | 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, thin bezel design, MSI True Color Technology 3.0 | MSI Matrix Display, IPS-level |
| PROCESSOR | MSI GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| CPU | Intel Core i7 (10th Gen) 10870H / 2.2 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 4.7 GHz |
| Number of Cores | 8-core | 14-core |
| Cache | 16 MB | 24 MB |
| Chipset | Intel HM470 | - |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost) |
| MEMORY | MSI GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| RAM | 16 GB (2 x 8 GB) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2933 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 GS66 10UE (277UK Stealth) | 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 GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 | NVIDIA GeForce RTX 3070 Ti |
|---|---|---|
| Video Memory | 6 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Resizable BAR | Max-Q design, Dynamic Boost |
| Gaming | - | Yes |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | IR camera | IR camera |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, microphone | Stereo speakers, microphone |
| Audio Features | Dynaudio Premium Sound Technology, Nahimic 3 sound technology | Dynaudio Premium Sound Technology, Nahimic 3 sound technology |
| COMMUNICATIONS | MSI GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Killer Wi-Fi 6 AX1650i | Killer Wi-Fi 6E AX1675 |
| Network Interface | 2.5 Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | - | Killer E3100G |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | MSI GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Technology | 4-cell lithium polymer | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 99.9 Wh | 99.9 Wh |
| AC ADAPTER | MSI GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Output | 230 Watt | 240 Watt |
|---|
| INPUT | MSI GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Per-key RGB | Per-key RGB |
| CONNECTIONS & EXPANSIONS | MSI GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0) (1 free) |
|---|---|---|
| Interfaces | LAN HDMI USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB-C 3.2 Gen 2 3 x USB 3.2 Gen 2 Headphone/microphone combo jack |
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 GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Operating System (OS) | Windows 10 Home Advanced | Windows 11 Home Advanced |
|---|---|---|
| Software Included | Norton Internet Security (60 days trial), SteelSeries Engine 3, MSI Dragon Gaming Center, Killer Network Manager, Microsoft Office 2016 (30 days trial), MSI Mystic Light, Nahimic Audio Enhancer 3, NVIDIA GeForce Experience, MSI APP Player, MSI True Color 3.0 | 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 GS66 10UE (277UK Stealth) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Fingerprint reader |
| Features | SteelSeries gaming keyboard, MSI Mystic Light Sync supported, Cooler Boost Trinity+ technology | SteelSeries gaming keyboard, Cooler Boost Trinity+ technology |
| Manufacturer Warranty | Limited warranty - 2 years | Limited warranty - 2 years |
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