Samsung Galaxy A31 vs Xiaomi Redmi Note 7 Specs Comparison

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

Display

Size:

6.4 inches
6.3 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 411 PPI
2340 x 1080 pixels, 19.5:9 ratio, 409 PPI

Technology:

Super AMOLED
IPS LCD

Refresh rate:

60Hz

Screen-to-body:

84.88 %
81.37 %

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 (12 nm)
Qualcomm Snapdragon 660 SDM660 (14 nm)

Processor:

Octa-core, 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55, 64-bit
Octa-core, 2200 MHz, Kryo 260, 64-bit

GPU:

Mali-G52 MC2
Adreno 512

RAM:

4GB LPDDR4
4GB LPDDR4

Internal storage:

64GB (eMMC 5.1), available to use: 46.2 GB
128GB

Storage expansion:

microSDXC up to 512 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone

OS:

Android (10), Samsung One UI
Android (9.0 Pie)

Battery

Capacity:

5000 mAh
4000 mAh

Type:

Li - Polymer, Not user replaceable
Not user replaceable

Charging:

Fast charging
Qualcomm Quick Charge 4

Max charge speed:

Wired: 15.0W

Camera

Rear:

Quad camera
Dual camera

Main camera:

48 MP (PDAF)
48 MP (PDAF, CMOS image sensor, BSI sensor)

Specifications:

Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

8 MP (Ultra-wide)
5 MP (Depth information)

Specifications:

Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.4

Third camera:

5 MP (Macro)

Specifications:

Aperture size: F2.4

Fourth camera:

5 MP (Depth information)

Specifications:

Aperture size: F2.4

Flash:

LED
Dual LED

Video recording:

1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD) (120 fps), 1280x720 (HD) (120 fps)

Features:

Continuous autofocus, EIS, Video calling, Video sharing

Front:

20 MP
13 MP (HDR)

Video capture:

1920x1080 (Full HD)
1920x1080 (Full HD)

Design

Dimensions:

6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)
6.27 x 2.96 x 0.32 inches (159.21 x 75.21 x 8.1 mm)

Weight:

6.53 oz (185.0 g)
6.56 oz (186.0 g)

Materials:

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

Biometrics:

In-screen fingerprint
2D Face unlock, 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
Black, Blue, Red

Cellular

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 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+)
Bands 38(2600), 40(2300)

3G:

Bands 1(2100), 2(1900), 5(850), 8(900)
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 Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM:

Yes
Shared with microSD

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback

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)

Features:

Charging, OTG
Charging, Mass storage device

Location:

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

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass

Other:

NFC
Infrared, VoIP, Tethering, Computer sync, OTA sync

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

In The Box:

Adapter, USB Cable type C, Tool to remove the SIM, User manual, Housing, Warranty

Availability

Officially announced:

Mar 24, 2020
Jan 10, 2019
FCC OKs Cingular\'s purchase of AT&T Wireless