MSI GL66 12UGK (066UK Pulse) vs. MSI GS66 12UGS (203UK Stealth)

Laptop Comparison, Reviews and Tests

In depth comparison and review of MSI GL66 12UGK (066UK 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.

MSI GL66 12UGK (066UK Pulse) Review

Advantages and disadvantages of MSI GL66 12UGK (066UK 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

solid build quality

heavy and bulky

average battery life

limited port selection

loud under load

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 GL66 12UGK (066UK Pulse) and MSI GS66 12UGS (203UK Stealth)
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

MSI GL66 12UGK (066UK Pulse) vs. MSI GS66 12UGS (203UK Stealth) Comparison Chart
DESIGN AND DIMENSIONS MSI GL66 12UGK (066UK Pulse) MSI GS66 12UGS (203UK Stealth)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.9 cm x 25.9 cm x 2.39 cm 35.83 cm x 24.8 cm x 1.98 cm
Weight 2.25 kg 2.1 kg
Colour Titanium grey Core black
DISPLAY MSI GL66 12UGK (066UK Pulse) 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 GL66 12UGK (066UK Pulse) 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
Features - Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Deep Learning Boost (DL Boost)
MEMORY MSI GL66 12UGK (066UK 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
Rated Speed 3200 MHz -
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 2 2
Empty Slots 0 0
STORAGE MSI GL66 12UGK (066UK Pulse) 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 GL66 12UGK (066UK Pulse) MSI GS66 12UGS (203UK Stealth)
Graphics Processor (GPU) NVIDIA GeForce RTX 3070 NVIDIA GeForce RTX 3070 Ti
Video Memory 8 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features Max-Q design, 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 audio Dynaudio Premium Sound Technology, Nahimic 3 sound technology
COMMUNICATIONS MSI GL66 12UGK (066UK 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 - Killer E3100G
Features Dual stream (2x2) Dual stream (2x2)
BATTERY MSI GL66 12UGK (066UK Pulse) MSI GS66 12UGS (203UK Stealth)
Technology 4-cell lithium polymer 4-cell lithium polymer
Battery Capacity (Size) 90 Wh 99.9 Wh
AC ADAPTER MSI GL66 12UGK (066UK Pulse) MSI GS66 12UGS (203UK Stealth)
Output 240 Watt 240 Watt
INPUT MSI GL66 12UGK (066UK 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 12UGK (066UK Pulse) 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
USB-C 3.2 Gen 1
2 x USB 3.2 Gen 1
USB 2.0
LAN
HDMI
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 12UGK (066UK Pulse) 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, Nahimic Audio Enhancer 3, 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 GL66 12UGK (066UK 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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