MSI GS66 11UG (278UK Stealth) vs. MSI Crosshair 15 (B12UEZ)

Laptop Comparison, Reviews and Tests

In depth comparison and review of MSI GS66 11UG (278UK Stealth) and MSI Crosshair 15 (B12UEZ). 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.

MSI GS66 11UG (278UK Stealth) Review

Advantages and disadvantages of MSI GS66 11UG (278UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

sleek, attractive design

robust build quality

good thermal management

relatively expensive

average battery life

heavy for portability

noisy under load

MSI Crosshair 15 (B12UEZ) Review

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

Laptop Comparison and Tests

Difference between MSI GS66 11UG (278UK Stealth) and MSI Crosshair 15 (B12UEZ)
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery
86 % - Design
82 % - Display
84 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

MSI GS66 11UG (278UK Stealth) vs. MSI Crosshair 15 (B12UEZ) Comparison Chart
DESIGN AND DIMENSIONS MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 24.8 cm x 1.98 cm 35.9 cm x 25.9 cm x 2.69 cm
Weight 2.1 kg 2.25 kg
Colour Core black Multi-colour gradient
DISPLAY MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 2560 x 1440 (QHD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 165 Hz 144 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 -
Colour Gamut - 45% NTSC
Features MSI Matrix Display, narrow-bezel design IPS-level
PROCESSOR MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
CPU Intel Core i7 (11th Gen) 11800H / 2.3 GHz Intel Core i7 (12th Gen) 12700H
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) Intel Smart Cache
MEMORY MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
RAM 32 GB (2 x 16 GB) 16 GB (2 x 8 GB)
Max RAM Supported 64 GB -
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 0 0
STORAGE MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) 1 TB SSD PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Graphics Processor (GPU) NVIDIA GeForce RTX 3070 NVIDIA GeForce RTX 3060 / Intel Iris Xe Graphics
Video Memory 8 GB GDDR6 SDRAM 6 GB GDDR6 SDRAM
Video System Features Max-Q design Dynamic Boost
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 sound technology
COMMUNICATIONS MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Killer Wi-Fi 6E AX1675 Intel Wi-Fi 6 AX 201
Network Interface Gigabit Ethernet Gigabit Ethernet
Features - Dual stream (2x2)
BATTERY MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Technology 4-cell 3-cell
Battery Capacity (Size) 99 Wh 53.5 Wh
AC ADAPTER MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Output 230 Watt -
INPUT MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Type Keyboard, touchpad Keyboard, touchpad
Numeric Keypad - Yes
Keyboard Backlight Yes (RGB) Yes
Features Per-key RGB 1.7mm travel distance
CONNECTIONS & EXPANSIONS MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Interfaces Headphone/microphone combo jack
USB-C (supports Thunderbolt 4) (Power Delivery)
USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode)
3 x USB 3.2 Gen 2
LAN
HDMI
Headphone/microphone combo jack
USB 2.0
LAN (RJ-45)
HDMI
USB-C 3.2 Gen 1
2 x USB 3.2 Gen 1
SOFTWARE MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Operating System (OS) Windows 10 Home Advanced Windows 11 Home
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 MSI Center
MISCELLANEOUS MSI GS66 11UG (278UK Stealth) MSI Crosshair 15 (B12UEZ)
Included Accessories Power adapter Power adapter
Features SteelSeries gaming keyboard, Cooler Boost Trinity+ technology Cooler Boost 5 technology
Manufacturer Warranty Limited warranty - 2 years Limited warranty - 2 years
Model Number - 621UK
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