Xiaomi Mi Mix Alpha vs Samsung Galaxy A31 Specs Comparison

Availability

Officially announced
Sep 24, 2019	Mar 24, 2020
Scheduled release
December 2019
Prices (MSRP)
	€300

Design

Dimensions
6.08 x 2.85 x 0.41 inches 154.38 x 72.3 x 10.4 mm	6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm
Weight
8.50 oz / 241.0 g	6.53 oz / 185.0 g
Materials
Frame: Titanium	Back: Plastic
Biometrics
Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
	Right: Volume control, Lock/Unlock key
Colors
Black	Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
7.9-inch, 180.49% screen-to-body	6.4-inch, 84.88% screen-to-body
Type
OLED	Super AMOLED, 60Hz
Resolution
2250x2088px, 388 PPI	2400x1080px, 20:9 ratio, 411 PPI

Hardware

System chip
Snapdragon 855+ SM8150-AC (7 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 2960 MHz Kryo 485	Octa-core 2x2.0GHz Cortex-A75 6x2.0G​Hz Cortex-A55
GPU
Adreno 640	Mali-G52 MC2
Memory
12GB (LPDDR4)/512GB	4GB (LPDDR4)/64GB (eMMC 5.1) 6GB/128GB
Storage expansion
	microSDXC up to 512 GB
OS
Android (10)	Android (10)

Battery

Type
4050 mAh, Li - Ion	5000 mAh, Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
	Wired: 15.0W

Camera

Rear
Triple camera, Doubles as a selfie camera	Quad camera
Main camera
108 MP (Sapphire crystal lens cover, OIS, Laser and PDAF) Aperture size: F1.7 Sensor size: 1/1.33" Pixel size: 0.8 μm	48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
12 MP (Sapphire crystal lens cover, Laser and PDAF) Optical zoom: 2.0x Aperture size: F2.0 Sensor size: 1/2.55" Pixel size: 1.4 μm	8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm
Third camera
20 MP (Ultra-wide, Sapphire crystal lens cover, Laser autofocus) Aperture size: F2.2 Sensor size: 1/2.8" Pixel size: 1 μm	5 MP (Macro) Aperture size: F2.4
Fourth camera
	5 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
4K UHD, 1080p	1080p (30 fps)
Front
	20 MP Video capture: 1080p (30 fps)

Connectivity & Features

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

Multimedia

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

Cellular

LTE Bands
	1, 2, 3, 4, 5, 7, 8, 20
TDD Bands
	38, 40, 41
3G Bands
	1, 2, 5, 8
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

Regulatory Approval

FCC approval
	Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL
Measured SAR
	Head: 0.53 W/kg Body: 0.56 W/kg Simultaneous Transmission: 1.42 W/kg Wireless Router: 0.65 W/kg Phablet: 0.89 W/kg

Alternative variants

with 128GB storage

Memory	6GB/128GB

Discover more

Full Specs Xiaomi Mi Mix Alpha Specs

Full Specs Samsung Galaxy A31 Specs