MSI Alpha 15 (B5EEK) vs. MSI GS66 11UG (278UK Stealth)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of MSI Alpha 15 (B5EEK) and MSI GS66 11UG (278UK Stealth). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

MSI Alpha 15 (B5EEK) Review

Advantages and disadvantages of MSI Alpha 15 (B5EEK) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful AMD processor

vivid 144Hz display

RGB backlit keyboard

ample connectivity options

decent gaming performance

average battery life

heavier build

noisy under load

limited upgradeability

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

Laptop Comparison and Tests

Difference between MSI Alpha 15 (B5EEK) and MSI GS66 11UG (278UK 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 Alpha 15 (B5EEK) vs. MSI GS66 11UG (278UK Stealth) Comparison Chart
DESIGN AND DIMENSIONS MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Product Type Notebook Notebook
Dimensions (WxDxH) 35.9 cm x 25.9 cm x 2.495 cm 35.8 cm x 24.8 cm x 1.98 cm
Weight 2.35 kg 2.1 kg
Colour Black Core black
DISPLAY MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Screen Size (Type) 15.6" 15.6"
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1440 (QHD)
V-Sync Rate at Max Res. 144 Hz 165 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Features MSI Matrix Display, IPS-level MSI Matrix Display, narrow-bezel design
PROCESSOR MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
CPU AMD Ryzen 7 5800H / 3.2 GHz Intel Core i7 (11th Gen) 11800H / 2.3 GHz
Max Turbo Speed 4.4 GHz 4.6 GHz
Number of Cores 8-core 8-core
Cache L3 - 16 MB 24 MB
Chipset - Intel HM570
Features - Hyper-Threading Technology, Intel Smart Cache, Intel Deep Learning Boost (DL Boost)
MEMORY MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
RAM 16 GB (2 x 8 GB) 32 GB (2 x 16 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 Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Main Storage Size (HDD/SSD) 512 GB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) 1 TB SSD M.2 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Multi-GPU Configuration 1 single GPU card / integrated GPU -
Graphics Processor (GPU) AMD Radeon RX 6600M / AMD Radeon Graphics NVIDIA GeForce RTX 3070
Video Memory 8 GB GDDR6 SDRAM 8 GB GDDR6 SDRAM
Video System Features - Max-Q design
Gaming 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
Audio Features Nahimic 3 sound technology -
COMMUNICATIONS MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac/ax, Bluetooth 5.2
Wireless Controller Intel Wi-Fi 6 AX 200 Killer Wi-Fi 6E AX1675
Network Interface Gigabit Ethernet Gigabit Ethernet
Features Dual stream (2x2) -
BATTERY MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Technology 4-cell 4-cell
Battery Capacity (Size) 90 Wh 99 Wh
AC ADAPTER MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Output 180 Watt 230 Watt
INPUT MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Type Keyboard, touchpad, NumberPad Keyboard, touchpad
Numeric Keypad Yes -
Keyboard Backlight Yes (RGB) Yes (RGB)
Features - Per-key RGB
CONNECTIONS & EXPANSIONS MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Interfaces Headphone/microphone combo jack
USB 2.0
HDMI
USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode)
2 x USB 3.2 Gen 1
LAN (RJ-45)
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
SOFTWARE MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Operating System (OS) Windows 10 Home Windows 10 Home Advanced
Software Included MSI APP Player, MSI Center 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
MISCELLANEOUS MSI Alpha 15 (B5EEK) MSI GS66 11UG (278UK Stealth)
Included Accessories Power adapter Power adapter
Features Cooler Boost 5 technology SteelSeries gaming keyboard, Cooler Boost Trinity+ technology
Manufacturer Warranty Limited warranty - 1 year Limited warranty - 2 years
Model Number 064UK -
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