In depth comparison and review of MSI GS66 12UGS (203UK Stealth) and Alienware x17 R2. 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 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
Advantages and disadvantages of Alienware x17 R2 based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high-refresh-rate display
advanced cooling technology
customizable rgb lighting
premium build quality
expensive price point
heavy and bulky
short battery life
limited upgradeability
| DESIGN AND DIMENSIONS | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.83 cm x 24.8 cm x 1.98 cm | 39.923 cm x 29.957 cm x 2.09 cm |
| Weight | 2.1 kg | 2.99 kg |
| Colour | Core black | Lunar light |
| DISPLAY | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Screen Size (Type) | 15.6" | 17.3" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 2560 x 1440 (QHD) | 1920 x 1080 (Full HD) |
| Pixel Density (ppi) | - | 127 |
| V-Sync Rate at Max Res. | 240 Hz | 480 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | 100% DCI-P3 | 100% sRGB |
| Features | MSI Matrix Display, IPS-level | Anti-glare, Wide Viewing Angle, 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, 0.2 mm pixel pitch |
| PROCESSOR | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H / 2.3 GHz | Intel Core i9 (12th Gen) 12900HK / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 5 GHz |
| Number of Cores | 14-core | 14-core |
| Cache | 24 MB | L3 - 24 MB |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost) | Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| RAM | 32 GB (2 x 16 GB) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR5 SDRAM | DDR5 SDRAM |
| Speed | 4800 MHz | 4800 MHz |
| Rated Speed | - | 4800 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3070 Ti | NVIDIA GeForce RTX 3080 Ti |
|---|---|---|
| Video Memory | 8 GB GDDR6 SDRAM | 16 GB GDDR6 SDRAM |
| Video System Features | Max-Q design, Dynamic Boost | NVIDIA G-SYNC, AMD FreeSync, Advanced Optimus |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | Yes - 1280 x 720 (standard), 640 x 360 (infrared) |
| Resolution | - | 0.92 Megapixel (standard), 0.23 Megapixel (infrared) |
| Camera Features | IR camera | IR/RGB camera, 75.8 degrees |
| Image Sensor Type | - | CMOS |
| Video Resolutions | - | 1280 x 720 |
| Frame Rate | 30 frames per second | 30 frames per second |
| Sound | Stereo speakers, microphone | Two tweeters, two woofers, dual array microphone |
| Codec | - | Realtek ALC3281 |
| Compliant Standards | - | High Definition Audio |
| Audio Features | Dynaudio Premium Sound Technology, Nahimic 3 sound technology | - |
| COMMUNICATIONS | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 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 | 2.5 Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | Killer E3100G | Killer Ethernet E3100G |
| Features | Dual stream (2x2) | - |
| BATTERY | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Technology | 4-cell lithium polymer | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 99.9 Wh | 87 Wh |
| Battery Life | - | Up to 6 hours |
| AC ADAPTER | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt | 19.5 V |
| INPUT | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Per-key RGB | Multi-gesture touch pad, Per-Key illumination |
| CONNECTIONS & EXPANSIONS | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Slots | 2 x M.2 (PCI Express 4.0) (1 free) | - |
|---|---|---|
| Interfaces | 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 |
HDMI Mini DisplayPort 1.4 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 1 (PowerShare) LAN (RJ-45) Headphone/microphone combo jack |
| Memory Card Reader | - | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Operating System (OS) | Windows 11 Home Advanced | Windows 11 Home |
|---|---|---|
| Software Included | 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 | Microsoft Office 2013 (Trial) |
| MISCELLANEOUS | MSI GS66 12UGS (203UK Stealth) | Alienware x17 R2 |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | - |
| Features | SteelSeries gaming keyboard, Cooler Boost Trinity+ technology | AlienFX Lighting Zones, retail packaging |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 0 °C |
| Humidity Range Operating | - | 10 - 90% (non-condensing) |
| Manufacturer Warranty | Limited warranty - 2 years | Limited warranty - 1 year |
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