In depth comparison and review of MSI GL66 11UCK (251UK Pulse) 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 GL66 11UCK (251UK Pulse) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high refresh rate display
robust cooling system
RGB backlit keyboard
reasonable price point
average battery life
heavy build
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 GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.9 cm x 25.9 cm x 2.395 cm | 35.83 cm x 24.8 cm x 1.98 cm |
| Weight | 2.3 kg | 2.1 kg |
| Colour | Titanium grey | Core black |
| DISPLAY | MSI GL66 11UCK (251UK Pulse) | 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. | 144 Hz | 240 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Colour Gamut | 100% sRGB, 72% NTSC | 100% DCI-P3 |
| Features | Anti-glare, IPS-level | MSI Matrix Display, IPS-level |
| PROCESSOR | MSI GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| CPU | Intel Core i7 (11th Gen) 11800H / 2.3 GHz | Intel Core i7 (12th Gen) 12700H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.6 GHz | 4.7 GHz |
| Number of Cores | 8-core | 14-core |
| Cache | 24 MB | 24 MB |
| Chipset | Intel HM570 | - |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Deep Learning Boost (DL Boost) | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost) |
| MEMORY | MSI GL66 11UCK (251UK Pulse) | 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 | 3200 MHz | 4800 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 262-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 0 |
| STORAGE | MSI GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB 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 GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3050 | 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 | Stereo speakers, microphone |
| Audio Features | Nahimic 3D audio | Dynaudio Premium Sound Technology, Nahimic 3 sound technology |
| COMMUNICATIONS | MSI GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK 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 | Killer Wi-Fi 6E AX1675 |
| Network Interface | Gigabit Ethernet | 2.5 Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111 | Killer E3100G |
| Features | - | Dual stream (2x2) |
| BATTERY | MSI GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Technology | 3-cell lithium polymer | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 53.5 Wh | 99.9 Wh |
| AC ADAPTER | MSI GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Output | 150 Watt | 240 Watt |
|---|
| INPUT | MSI GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | - | Per-key RGB |
| CONNECTIONS & EXPANSIONS | MSI GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Slots | - | 2 x M.2 (PCI Express 4.0) (1 free) |
|---|---|---|
| Interfaces | HDMI USB-C 3.2 Gen 1 2 x USB 3.2 Gen 1 USB 2.0 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 |
| SOFTWARE | MSI GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Home Advanced |
|---|---|---|
| Software Included | WinZip, Norton Internet Security (60 days trial), SteelSeries Engine 3, MSI Dragon Gaming Center, Killer Network Manager, Microsoft Office 2016 (30 days trial), MSI True Color 2.0, Nahimic VR, Nahimic Audio Enhancer 3, NVIDIA GeForce Experience, MSI APP Player | 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 GL66 11UCK (251UK Pulse) | MSI GS66 12UGS (203UK Stealth) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Fingerprint reader |
| Features | Cooler Boost 5 technology | SteelSeries gaming keyboard, Cooler Boost Trinity+ technology |
| Manufacturer Warranty | Limited warranty - 1 year | Limited warranty - 2 years |
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