Xiaomi Mi Mix Alpha vs Samsung Galaxy A31 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

7.9 inches
6.4 inches

Resolution:

2250 x 2088 pixels, 388 PPI
2400 x 1080 pixels, 20:9 ratio, 411 PPI

Technology:

OLED
Super AMOLED

Refresh rate:

60Hz

Screen-to-body:

180.49 %
84.88 %

Features:

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 855+ SM8150-AC (7 nm)
MediaTek Helio P65 MT6768 (12 nm)

Processor:

Octa-core, 2960 MHz, Kryo 485, 64-bit
Octa-core, 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55, 64-bit

GPU:

Adreno 640
Mali-G52 MC2

RAM:

12GB LPDDR4
4GB LPDDR4

Internal storage:

512GB
64GB (eMMC 5.1), available to use: 46.2 GB

Storage expansion:

microSDXC up to 512 GB

Device type:

Smartphone
Smartphone

OS:

Android (10)
Android (10), Samsung One UI

Battery

Capacity:

4050 mAh
5000 mAh

Type:

Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Fast charging
Fast charging

Max 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)
48 MP (PDAF)

Specifications:

Aperture size: F1.7; Sensor size: 1/1.33"; Pixel size: 0.8 μm
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)
8 MP (Ultra-wide)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.0; Sensor size: 1/2.55"; Pixel size: 1.4 μm
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)
5 MP (Macro)

Specifications:

Aperture size: F2.2; Sensor size: 1/2.8"; Pixel size: 1 μm
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)
1920x1080 (Full HD) (30 fps)

Front:

20 MP

Video capture:

1920x1080 (Full HD)

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:

In-screen fingerprint
In-screen fingerprint

Keys:

Right: Volume control, Lock/Unlock key

Colors:

Black
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Cellular

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)

4G (TDD):

Bands 38(2600), 40(2300), 41(2600+)

3G:

Bands 1(2100), 2(1900), 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

Additional microphone(s):

for Noise cancellation
for 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)
Type-C (reversible), USB 2.0

Features:

Charging
Charging, OTG

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

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Thermometer, Humidity
Accelerometer, Gyroscope, Compass

Other:

NFC

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

Buyers information

Price:

€ 300

Availability

Officially announced:

Sep 24, 2019
Mar 24, 2020

Scheduled release:

December 2019
FCC OKs Cingular\'s purchase of AT&T Wireless