Samsung Galaxy A31 vs Xiaomi Redmi Note 9 Pro

Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone specs comparison tool or pick a popular device from the ones below.

$238 VIEW ON amazon
$245 VIEW ON amazon

Display

Size

6.4 inches
6.7 inches

Resolution

2400 x 1080 pixels, 20:9 ratio,
411 PPI
2400 x 1080 pixels, 20:9 ratio,
395 PPI

Technology

Super AMOLED
IPS LCD

Screen-to-body

84.88 %
84.42 %

Features

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip

MediaTek Helio P65 MT6768
Qualcomm Snapdragon 720G SM7125

Processor

Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm
Octa-core, 2300 MHz, Kryo 465, 64-bit, 8 nm

GPU

Mali-G52 MC2
Adreno 618

RAM

4GB LPDDR4
6GB LPDDR4

Internal storage

64GB (eMMC 5.1), available to use: 46.2 GB
64GB (UFS 2.1)

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

Device type

Smartphone
Smartphone

OS

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

Battery

Capacity

5000 mAh
5020 mAh

Type

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

Battery life test results

 

Charging

Fast charging
Fast charging

Max charge speed

Wired: 15.0W
Wired: 30.0W

Camera

Rear

Quad camera
Quad camera

Main camera

48 MP (PDAF)
64 MP (PDAF)

Specifications

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.9; Focal length: 26 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Second camera

8 MP (Ultra-wide)
8 MP (Ultra-wide)

Specifications

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/4"; Pixel size: 1.12 μm

Third camera

5 MP (Macro)
5 MP (Macro, Autofocus)

Specifications

Aperture size: F2.4
Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.12 μm

Fourth camera

5 MP (Depth information)
2 MP (Depth information)

Specifications

Aperture size: F2.4
Aperture size: F2.4; Sensor size: 1/5"; Pixel size: 1.75 μm

Video recording

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (960 fps)

Front

20 MP
16 MP (HDR, Slow-motion videos)

Design

Dimensions

6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)
6.53 x 3.02 x 0.35 inches (165.8 x 76.7 x 8.8 mm)

Weight

6.53 oz (185.0 g)
the average is 6.3 oz (179 g)
7.37 oz (209.0 g)
the average is 6.3 oz (179 g)

Materials

Back: Plastic
Back: Glass (Corning Gorilla Glass 5); Frame: Plastic

Biometrics

In-screen fingerprint
Fingerprint (touch)

Keys

Right: Volume control, Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors

Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white
Interstellar gray, Tropical green, Glacier white

Cellular

LTE (FDD)

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)

LTE (TDD)

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

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

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

HD Voice

 
Yes

VoLTE

 
Yes

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Screen mirroring

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; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 2.0
Type-C (reversible), USB 2.0

Features

Charging, OTG
Charging

Location

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other

NFC
NFC, Infrared

Buyers information

Price

€ 300
 

In The Box

 
33W Power adapter, Simple protective cover, USB Type-C cable, SIM eject tool, User guide, Warranty card

Availability

Officially announced

Mar 24, 2020
Apr 30, 2020
This copy is for your personal, non-commercial use only. You can order presentation-ready copies for distribution to your colleagues, clients or customers at https://www.parsintl.com/phonearena or use the Reprints & Permissions tool that appears at the bottom of each web page. Visit https://www.parsintl.com/ for samples and additional information.
FCC OKs Cingular's purchase of AT&T Wireless