MSI Crosshair 15 (R6E B12UGZ) vs. MSI GS66 12UGS (203UK Stealth)

Laptop Comparison, Reviews and Tests

In depth comparison and review of MSI Crosshair 15 (R6E B12UGZ) 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.

MSI Crosshair 15 (R6E B12UGZ) Review

Advantages and disadvantages of MSI Crosshair 15 (R6E B12UGZ) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high refresh rate display

robust build quality

effective thermal management

RGB keyboard lighting

heavy and bulky

short battery life

limited port selection

high price point

MSI GS66 12UGS (203UK Stealth) Review

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

Laptop Comparison and Tests

Difference between MSI Crosshair 15 (R6E B12UGZ) and MSI GS66 12UGS (203UK Stealth)
82 % - Design
83 % - Display
85 % - Performance
86 % - Connectivity
75 % - Battery
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

MSI Crosshair 15 (R6E B12UGZ) vs. MSI GS66 12UGS (203UK Stealth) Comparison Chart
DESIGN AND DIMENSIONS MSI Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK 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 2.3 kg 2.1 kg
Colour Multi-colour gradient Core black
DISPLAY MSI Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK Stealth)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 2560 x 1440 (QHD) 2560 x 1440 (QHD)
V-Sync Rate at Max Res. 165 Hz 240 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Colour Gamut 100% DCI-P3 100% DCI-P3
Features IPS-level MSI Matrix Display, IPS-level
PROCESSOR MSI Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK Stealth)
CPU Intel Core i7 (12th Gen) 12700H / 2.3 GHz Intel Core i7 (12th Gen) 12700H / 2.3 GHz
Max Turbo Speed 4.7 GHz 4.7 GHz
Number of Cores 14-core 14-core
Cache 24 MB 24 MB
Features - Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost)
MEMORY MSI Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK Stealth)
RAM 32 GB (2 x 16 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 Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK Stealth)
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO MSI Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK Stealth)
Graphics Processor (GPU) NVIDIA GeForce RTX 3060 NVIDIA GeForce RTX 3070 Ti
Video Memory 6 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features Dynamic Boost Max-Q design, Dynamic Boost
Gaming Yes 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 3 sound technology
COMMUNICATIONS MSI Crosshair 15 (R6E B12UGZ) 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) Dual stream (2x2)
BATTERY MSI Crosshair 15 (R6E B12UGZ) 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 Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK Stealth)
Output 240 Watt 240 Watt
INPUT MSI Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK 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 (R6E B12UGZ) MSI GS66 12UGS (203UK Stealth)
Slots 2 x M.2 (PCI Express 4.0) (1 free) 2 x M.2 (PCI Express 4.0) (1 free)
Interfaces Headphone/microphone combo jack
LAN
HDMI
2 x USB 3.2 Gen 1
USB 2.0
USB-C 3.2 Gen 1
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 Crosshair 15 (R6E B12UGZ) MSI GS66 12UGS (203UK Stealth)
Operating System (OS) Windows 11 Home Advanced Windows 11 Home Advanced
Software Included Norton Internet Security (60 days trial), MSI Mystic Light, NVIDIA GeForce Experience, MSI APP Player, MSI Center, MSI Battery Master, MSI Companion, Game Highlights, Ambient Link, Crosshair 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 Crosshair 15 (R6E B12UGZ) 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 - 2 years Limited warranty - 2 years
Model Number 297UK -
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