In depth comparison and review of MSI Alpha 15 (A3DD) 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 Alpha 15 (A3DD) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful AMD processor
high refresh rate display
reasonable price point
robust gaming performance
solid build quality
average battery life
heavier than competitors
no Thunderbolt support
limited color accuracy
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 Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.77 cm x 24.8 cm x 2.75 cm | 35.83 cm x 24.8 cm x 1.98 cm |
| Weight | 2.3 kg | 2.1 kg |
| Colour | Black | Core black |
| DISPLAY | MSI Alpha 15 (A3DD) | 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. | 120 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Colour Gamut | - | 100% DCI-P3 |
| Features | Anti-glare, MSI Matrix Display | MSI Matrix Display, IPS-level |
| PROCESSOR | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| CPU | AMD Ryzen 7 3750H / 2.3 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | 14-core |
| Cache | 4 MB | 24 MB |
| 64-bit Computing | Yes | - |
| Features | - | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost) |
| MEMORY | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| RAM | 8 GB | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 2666 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | - | 0 |
| STORAGE | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Graphics Processor (GPU) | AMD Radeon RX 5500M | NVIDIA GeForce RTX 3070 Ti |
|---|---|---|
| Video Memory | 4 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | - | 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 Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | Killer Wi-Fi 6E AX1675 |
| Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | Killer Ethernet E2600 | Killer E3100G |
| Features | - | Dual stream (2x2) |
| BATTERY | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Technology | 6-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 51 Wh | 99.9 Wh |
| AC ADAPTER | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Output | 180 Watt | 240 Watt |
|---|
| INPUT | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Red backlighting | Per-key RGB |
| CONNECTIONS & EXPANSIONS | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0) (1 free) |
|---|---|---|
| Interfaces | Headphone/SPDIF combo jack HDMI Mini DisplayPort USB-C 3.2 Gen 1 3 x USB 3.2 Gen 1 Microphone input LAN |
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 |
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
| SOFTWARE | MSI Alpha 15 (A3DD) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Home Advanced |
|---|---|---|
| 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 |
| MISCELLANEOUS | MSI Alpha 15 (A3DD) | 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 - pick-up and return | Limited warranty - 2 years |
| Model Number | 057UK | - |
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