Xiaomi Mi Mix Alpha vs Samsung Galaxy M31s Specs Comparison

Display

Size
7.9-inch	6.5-inch
Resolution
2250 x 2088 px, 388 PPI	2400 x 1080 px, 20:9 ratio, 405 PPI
Technology
OLED	Super AMOLED
Screen-to-body
180.49 %	86.06 %
Features
Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 855+ SM8150-AC (7 nm)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core, 2960 MHz, Kryo 485, 64-bit	Octa-core, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit
GPU
Adreno 640	Mali-G72 MP3
RAM
12GB (LPDDR4)	6GB (LPDDR4)
Internal storage
512GB	128GB (UFS 2.1), available to use: 106.4 GB
Storage expansion
	microSDXC up to 512 GB
OS
Android (10)	Android (11, 10), Samsung One UI
Device type
Smartphone	Smartphone

Battery

Capacity
4050 mAh	6000 mAh
Type
Li - Ion, Not user replaceable	Not user replaceable
Charging
Fast charging	Fast charging, Reverse wired charging
Max charge speed
	Wired: 25.0W

Camera

Rear
Triple camera, Doubles as a selfie camera	Quad camera
Main camera
108 MP (Sapphire crystal lens cover, OIS, Laser and PDAF) Specifications: Aperture size: F1.7 Sensor size: 1/1.33" Pixel size: 0.8 μm	64 MP (PDAF) Specifications: Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
12 MP (Sapphire crystal lens cover, Laser and PDAF) Specifications: Optical zoom: 2.0x Aperture size: F2.0 Sensor size: 1/2.55" Pixel size: 1.4 μm	12 MP (Ultra-wide) Specifications: Aperture size: F2.2
Third camera
20 MP (Ultra-wide, Sapphire crystal lens cover, Laser autofocus) Specifications: Aperture size: F2.2 Sensor size: 1/2.8" Pixel size: 1 μm	5 MP (Macro) Specifications: Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Specifications: Aperture size: F2.4
Flash
Dual LED	LED
Video recording
3840x2160 (4K UHD), 1920x1080 (Full HD)	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps) Features: Hyperlapse, EIS
Front
	32 MP, Video capture: 3840x2160 (4K UHD) (30 fps)

Design

Dimensions
6.08 x 2.85 x 0.41 inches (154.38 x 72.3 x 10.4 mm)	6.27 x 2.93 x 0.37 inches (159.3 x 74.4 x 9.3 mm)
Weight
8.50 oz(241.0 g)	7.16 oz(203.0 g)
Materials
Frame: Titanium
Biometrics
Optical in-screen fingerprint	Fingerprint (touch)
Keys
	Right: Volume control, Lock/Unlock key
Colors
Black	Mirage black, Mirage blue

Cellular

4G (FDD)
	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
	Bands 38(2600), 40(2300), 41(2600+)
3G
	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Multimedia

Headphones
	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
aptX-HD
Screen mirroring
DLNA,Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation

Connectivity & Features

Bluetooth
5.0	5.0
Wi-Fi
802.11 a,b,g,n,ac,dual-band MIMO, Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot
USB
Type-C (reversible), Features: Charging	Type-C (reversible), USB 2.0, Features: Charging, OTG
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning	GPS, A-GPS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Thermometer, Humidity	Accelerometer, Gyroscope, Compass
Other
	NFC

Buyers information

MSRP
	€ 310

Availability

Officially announced
Sep 24, 2019	Jul 30, 2020
Scheduled release
December 2019

Alternative variants

with 8GB RAM

RAM	8GB

Links

Full specifications
Xiaomi Mi Mix Alpha Specs	Samsung Galaxy M31s Specs