Samsung Galaxy A31 vs Xiaomi Redmi Note 7 Specs Comparison

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
Optical 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

Display

Size
6.4-inch	6.3-inch
Resolution
2400x1080px, 20:9 ratio, 411 PPI	2340x1080px, 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	Octa-core 2200 MHz Kryo 260
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
OS
Android (10), Samsung One UI	Android (9.0 Pie)

Battery

Capacity
5000 mAh	4000 mAh
Type
Li - Polymer
Charging
Fast charging	Qualcomm Quick Charge 4
Charge speed
Wired: 15.0W

Camera

Rear
Quad camera	Dual camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	48 MP (PDAF, CMOS image sensor, BSI sensor) Aperture size: F1.8 Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm	5 MP (Depth information) Aperture size: F2.4
Third camera
5 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.4
Flash
LED	Dual LED
Video recording
1920x1080 (Full HD) (30 fps)	1920x1080 (Full HD) (120 fps), 1280x720 (HD) (120 fps) Continuous autofocus, EIS, Video calling, Video sharing
Front
20 MP, Video capture: 1920x1080 (Full HD)	13 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
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, USB 2.0	Type-C
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

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)
Noise cancellation	Noise cancellation

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	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

Buyers information

MSRP
€ 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

Alternative variants

with 128GB storage

RAM	6GB
Internal storage	128GB

with 64 GB storage

Internal storage	64GB

with 32 GB storage

RAM	3GB
Internal storage	32GB

Links

Full specifications
Samsung Galaxy A31 Specs	Xiaomi Redmi Note 7 Specs
PhoneArena Review
	Xiaomi Redmi Note 7 Review