MSI GS66 11UG (278UK Stealth) vs. Alienware x17 R2

Laptop Comparison, Reviews and Tests
Alienware x17 R2
Alienware x17 R2

Our Rating: 85 %

Side by side comparison and review of MSI GS66 11UG (278UK Stealth) and Alienware x17 R2. Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.

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

Alienware x17 R2 Review

Advantages and disadvantages of Alienware x17 R2 based on its technical characteristics, features, user experience, expert reviews and price level.

powerful gaming performance

high-refresh-rate display

advanced cooling technology

customizable rgb lighting

premium build quality

expensive price point

heavy and bulky

short battery life

limited upgradeability

Laptop Comparison and Tests

Difference between MSI GS66 11UG (278UK Stealth) and Alienware x17 R2
85 % - Design
85 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery
86 % - Design
85 % - Display
84 % - Performance
85 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

MSI GS66 11UG (278UK Stealth) vs. Alienware x17 R2 Comparison Chart
DESIGN AND DIMENSIONS MSI GS66 11UG (278UK Stealth) Alienware x17 R2
Product Type Notebook Notebook
Dimensions (WxDxH) 35.8 cm x 24.8 cm x 1.98 cm 39.923 cm x 29.957 cm x 2.09 cm
Weight 2.1 kg 2.99 kg
Colour Core black Lunar light
DISPLAY MSI GS66 11UG (278UK Stealth) Alienware x17 R2
Screen Size (Type) 15.6" 17.3"
LCD Backlight Technology LED backlight -
Screen Resolution 2560 x 1440 (QHD) 1920 x 1080 (Full HD)
Pixel Density (ppi) - 127
V-Sync Rate at Max Res. 165 Hz 480 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness - 300 cd/m²
Colour Gamut - 100% sRGB
Features MSI Matrix Display, narrow-bezel design Anti-glare, Wide Viewing Angle, 3 ms response rate, ±85° horizontal viewing angle, ±85° vertical viewing angle, 0.2 mm pixel pitch
PROCESSOR MSI GS66 11UG (278UK Stealth) Alienware x17 R2
CPU Intel Core i7 (11th Gen) 11800H / 2.3 GHz Intel Core i9 (12th Gen) 12900HK / 2.5 GHz
Max Turbo Speed 4.6 GHz 5 GHz
Number of Cores 8-core 14-core
Cache 24 MB L3 - 24 MB
Chipset Intel HM570 -
Features Hyper-Threading Technology, Intel Smart Cache, Intel Deep Learning Boost (DL Boost) Intel Smart Cache, Intel Turbo Boost Max Technology 3.0
MEMORY MSI GS66 11UG (278UK Stealth) Alienware x17 R2
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
Rated 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 GS66 11UG (278UK Stealth) Alienware x17 R2
Main Storage Size (HDD/SSD) 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe) 1 TB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO MSI GS66 11UG (278UK Stealth) Alienware x17 R2
Graphics Processor (GPU) NVIDIA GeForce RTX 3070 NVIDIA GeForce RTX 3080 Ti
Video Memory 8 GB GDDR6 SDRAM 16 GB GDDR6 SDRAM
Video System Features Max-Q design NVIDIA G-SYNC, AMD FreeSync, Advanced Optimus
Gaming - Yes
Camera Yes - 720p Yes - 1280 x 720 (standard), 640 x 360 (infrared)
Resolution - 0.92 Megapixel (standard), 0.23 Megapixel (infrared)
Camera Features IR camera IR/RGB camera, 75.8 degrees
Image Sensor Type - CMOS
Video Resolutions - 1280 x 720
Frame Rate 30 frames per second 30 frames per second
Sound Stereo speakers Two tweeters, two woofers, dual array microphone
Codec - Realtek ALC3281
Compliant Standards - High Definition Audio
COMMUNICATIONS MSI GS66 11UG (278UK Stealth) Alienware x17 R2
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 Killer Wi-Fi 6E AX1675 Killer Wi-Fi 6E AX1675
Network Interface Gigabit Ethernet 2.5 Gigabit Ethernet
Ethernet Controller - Killer Ethernet E3100G
BATTERY MSI GS66 11UG (278UK Stealth) Alienware x17 R2
Technology 4-cell 6-cell Lithium Ion
Battery Capacity (Size) 99 Wh 87 Wh
Battery Life - Up to 6 hours
AC ADAPTER MSI GS66 11UG (278UK Stealth) Alienware x17 R2
Input - AC 100-240 V (50/60 Hz)
Output 230 Watt 19.5 V
INPUT MSI GS66 11UG (278UK Stealth) Alienware x17 R2
Type Keyboard, touchpad Keyboard, touchpad
Keyboard Backlight Yes (RGB) Yes (RGB)
Features Per-key RGB Multi-gesture touch pad, Per-Key illumination
CONNECTIONS & EXPANSIONS MSI GS66 11UG (278UK Stealth) Alienware x17 R2
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
HDMI
Mini DisplayPort 1.4
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery)
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery)
2 x USB 3.2 Gen 1 (PowerShare)
LAN (RJ-45)
Headphone/microphone combo jack
Memory Card Reader - Yes (microSD, microSDHC, microSDXC)
SOFTWARE MSI GS66 11UG (278UK Stealth) Alienware x17 R2
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 Microsoft Office 2013 (Trial)
MISCELLANEOUS MSI GS66 11UG (278UK Stealth) Alienware x17 R2
Included Accessories Power adapter Power adapter
Features SteelSeries gaming keyboard, Cooler Boost Trinity+ technology AlienFX Lighting Zones, retail packaging
Max Operating Temperature - 35 °C
Min Operating Temperature - 0 °C
Humidity Range Operating - 10 - 90% (non-condensing)
Manufacturer Warranty Limited warranty - 2 years Limited warranty - 1 year
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