Side by side comparison and review of MSI Alpha 15 (A3DD) and MSI GS66 12UH (200UK Stealth). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 12UH (200UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
sleek, portable design
robust build quality
efficient cooling system
expensive price point
average battery life
limited port selection
noisy under load
| DESIGN AND DIMENSIONS | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK 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 12UH (200UK 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, MSI True Colour Technology, IPS-level |
| PROCESSOR | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK Stealth) |
|---|
| CPU | AMD Ryzen 7 3750H / 2.3 GHz | Intel Core i9 (12th Gen) 12900H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 5 GHz |
| Number of Cores | Quad-Core | 14-core |
| Cache | 4 MB | - |
| 64-bit Computing | Yes | - |
| MEMORY | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK 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 |
| Rated Speed | - | 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 12UH (200UK Stealth) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK Stealth) |
|---|
| Graphics Processor (GPU) | AMD Radeon RX 5500M | NVIDIA GeForce RTX 3080 |
|---|---|---|
| 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 audio |
| COMMUNICATIONS | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK Stealth) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | Killer Ethernet E2600 | Killer E3100G |
| BATTERY | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK 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 12UH (200UK Stealth) |
|---|
| Output | 180 Watt | 240 Watt |
|---|
| INPUT | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK 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 12UH (200UK 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 |
Headphone/microphone combo jack 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 2 LAN HDMI |
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | - |
| SOFTWARE | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK 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, Nahimic Audio Enhancer 3, NVIDIA GeForce Experience, MSI APP Player, MSI True Color 3.0, MSI Center, MSI Battery Master, SteelSeries GG, MSI Companion, Game Highlights, Ambient Link, Crosshair, Noise Cancellation |
| MISCELLANEOUS | MSI Alpha 15 (A3DD) | MSI GS66 12UH (200UK Stealth) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Fingerprint reader |
| Features | SteelSeries gaming keyboard, Cooler Boost 5 technology | 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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