MSI GS75 9SG (415UK Stealth) vs. MSI GS66 10UE (278UK Stealth)

Laptop Comparison, Reviews and Tests

In depth comparison and review of MSI GS75 9SG (415UK Stealth) and MSI GS66 10UE (278UK 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 GS75 9SG (415UK Stealth) Review

Advantages and disadvantages of MSI GS75 9SG (415UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

slim, attractive design

high refresh rate screen

good thermal management

ample connectivity options

expensive price point

average battery life

loud under load

limited upgradeability

MSI GS66 10UE (278UK Stealth) Review

Advantages and disadvantages of MSI GS66 10UE (278UK Stealth) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

sleek, portable design

high refresh rate display

robust build quality

good thermal management

expensive price point

average battery life

limited port selection

noisy under load

Laptop Comparison and Tests

Difference between MSI GS75 9SG (415UK Stealth) and MSI GS66 10UE (278UK Stealth)
83 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery
85 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

MSI GS75 9SG (415UK Stealth) vs. MSI GS66 10UE (278UK Stealth) Comparison Chart
DESIGN AND DIMENSIONS MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Product Type Notebook Notebook
Dimensions (WxDxH) 39.61 cm x 25.95 cm x 1.895 cm 35.83 cm x 24.8 cm x 1.98 cm
Weight 2.28 kg 2.1 kg
Colour Black Core black
DISPLAY MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Screen Size (Type) 17.3" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1920 x 1080 (Full HD)
V-Sync Rate at Max Res. 144 Hz 240 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Colour Gamut 72% NTSC 100% sRGB
Features MSI Matrix Display, MSI True Color Technology 2.0 MSI Matrix Display, MSI True Colour Technology, thin bezel design
PROCESSOR MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
CPU Intel Core i7 (9th Gen) 9750H / 2.6 GHz Intel Core i7 (10th Gen) 10750H / 2.6 GHz
Max Turbo Speed 4.5 GHz 5 GHz
Number of Cores 6-core 6-core
Cache 12 MB 12 MB
64-bit Computing Yes -
Chipset Mobile Intel HM370 Intel HM470
Features Hyper-Threading Technology, Intel Turbo Boost Technology 2.0, Intel Smart Cache Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0, Intel Speed Shift Technology
MEMORY MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
RAM 32 GB (2 x 16 GB) 16 GB (2 x 8 GB)
Max RAM Supported 64 GB 64 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 2666 MHz 2933 MHz
Rated Speed 2666 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 2 2
Empty Slots 0 0
STORAGE MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Total Capacity 1.024 TB -
Main Storage Size (HDD/SSD) 2 x 512 GB SSD M.2 PCIe 3.0 x4 - MSI Super RAID 4, NVM Express (NVMe) 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe)
AUDIO & VIDEO MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Graphics Processor (GPU) NVIDIA GeForce RTX 2080 NVIDIA GeForce RTX 3060
Video Memory 8 GB GDDR6 SDRAM 6 GB GDDR6 SDRAM
Video System Features Max-Q design NVIDIA Resizable BAR, Dynamic Boost 2.0
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 Dynaudio Premium Sound Technology, ESS SABRE HiFi audio DAC technology, Nahimic 3 sound technology Nahimic 3 sound technology, Dynaudio Duo Wave Speaker
COMMUNICATIONS MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Wireless 802.11a/b/g/n/ac, Bluetooth 5.0 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller Killer Wireless-AC 1550i Killer Wi-Fi 6 AX1650i
Network Interface Gigabit Ethernet 2.5 Gigabit Ethernet
Features Killer DoubleShot Pro Technology, Killer Wireless xTend Technology Killer Ethernet, dual stream (2x2)
BATTERY MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Technology 4-cell lithium polymer -
Battery Capacity (Size) 82 Wh 99.9 Wh
AC ADAPTER MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Output 230 Watt -
INPUT MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes (RGB)
Features Multi-touch touchpad, SteelSeries Engine 3, per-key RGB Per-key RGB
CONNECTIONS & EXPANSIONS MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Interfaces 3 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode)
HDMI
Microphone input
Headphone output
LAN
USB-C 3.2 Gen 1
LAN
3 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery)
USB-C 3.2 Gen 2
HDMI
Headphone/microphone combo jack
Memory Card Reader Yes (microSD) -
SOFTWARE MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Operating System (OS) Windows 10 Home Advanced Windows 10 Home
Software Included - SteelSeries Engine 3, MSI Dragon Gaming Center, MSI APP Player
MISCELLANEOUS MSI GS75 9SG (415UK Stealth) MSI GS66 10UE (278UK Stealth)
Included Accessories Power adapter Power adapter
Security Slot Type Kensington security slot -
Theft/Intrusion Protection Security lock slot (cable lock sold separately) -
Features Cooler Boost Trinity+ technology SteelSeries gaming keyboard, Cooler Boost Trinity+ technology
Manufacturer Warranty Limited warranty - 2 years Limited warranty - 2 years
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