In depth comparison and review of MSI Crosshair 15 (B12UEZ) and MSI GS66 12UH (200UK 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 Crosshair 15 (B12UEZ) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
robust build quality
good thermal management
RGB keyboard lighting
heavy and bulky
average battery life
limited port selection
high price point
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 Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.9 cm x 25.9 cm x 2.69 cm | 35.83 cm x 24.8 cm x 1.98 cm |
| Weight | 2.25 kg | 2.1 kg |
| Colour | Multi-colour gradient | Core black |
| DISPLAY | MSI Crosshair 15 (B12UEZ) | 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. | 144 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:9 |
| Colour Gamut | 45% NTSC | 100% DCI-P3 |
| Features | IPS-level | MSI Matrix Display, MSI True Colour Technology, IPS-level |
| PROCESSOR | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| CPU | Intel Core i7 (12th Gen) 12700H | Intel Core i9 (12th Gen) 12900H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.7 GHz | 5 GHz |
| Number of Cores | 14-core | 14-core |
| Cache | 24 MB | - |
| Features | Intel Smart Cache | - |
| MEMORY | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| RAM | 16 GB (2 x 8 GB) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | - | 64 GB |
| RAM Type | DDR4 SDRAM | DDR5 SDRAM |
| Speed | 3200 MHz | 4800 MHz |
| Rated Speed | - | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD PCIe 4.0 x4 - NVM Express (NVMe) | 2 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3060 / Intel Iris Xe Graphics | NVIDIA GeForce RTX 3080 |
|---|---|---|
| Video Memory | 6 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | Dynamic Boost | 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 sound technology | Dynaudio Premium Sound Technology, Nahimic audio |
| COMMUNICATIONS | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK 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 | Intel Wi-Fi 6 AX 201 | - |
| Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | - | Killer E3100G |
| Features | Dual stream (2x2) | - |
| BATTERY | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Technology | 3-cell | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 53.5 Wh | 99.9 Wh |
| AC ADAPTER | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Output | - | 240 Watt |
|---|
| INPUT | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | 1.7mm travel distance | Per-key RGB |
| CONNECTIONS & EXPANSIONS | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0) (1 free) |
|---|---|---|
| Interfaces | Headphone/microphone combo jack USB 2.0 LAN (RJ-45) HDMI USB-C 3.2 Gen 1 2 x USB 3.2 Gen 1 |
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 |
| SOFTWARE | MSI Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 11 Home Advanced |
|---|---|---|
| Software Included | MSI Center | 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 Crosshair 15 (B12UEZ) | MSI GS66 12UH (200UK Stealth) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Fingerprint reader |
| Features | Cooler Boost 5 technology | Cooler Boost Trinity+ technology |
| Manufacturer Warranty | Limited warranty - 2 years | Limited warranty - 2 years |
| Model Number | 621UK | - |
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