Samsung Galaxy A31 vs Samsung Galaxy A72 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

	9.0
Samsung Galaxy A31	Samsung Galaxy A72
Released · Apr 27, 2020	Released · Mar 17, 2021
6.4-inch · 2400x1080px	6.7-inch · 2400x1080px
Quad camera	Quad camera
4GB · 64GB	6GB · 128GB
5000 mAh	5000 mAh

Design

Dimensions
6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm	6.50 x 3.05 x 165 x 77.4 x 8.4 mm
Weight
6.53 oz (185.0 g)	7.16 oz (203.0 g)
Materials
Back: Plastic	Back: Plastic
Materials & Colors
	Black, Blue, White, Violet
Resistance
	Water, Dust; IP67
Biometrics
Optical in-screen fingerprint	2D Face unlock, Optical in-screen fingerprint
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

Display

Size
6.4-inch	6.7-inch
Resolution
2400x1080px, 20:9 ratio, 411 PPI	2400x1080px, 20:9 ratio, 393 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
60Hz	90Hz
Screen-to-body
84.88 %	84.74 %
Features
Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P65 MT6768 (12 nm)	Qualcomm Snapdragon 720G SM7125 (8 nm)
Processor
Octa-core 2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55	Octa-core 2x 2.3GHz Kryo 465 + 6x 1.8GHz Kryo 465
GPU
Mali-G52 MC2	Adreno 618
RAM
4GB (LPDDR4)	6GB
Internal storage
64GB (eMMC 5.1), available to use: 46.2 GB	128GB (UFS)
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1024 GB
OS
Android (10), Samsung One UI	Android (11), One UI 3.0 UI

Battery

Capacity
5000 mAh	5000 mAh
Type
Li - Polymer
Charging
Fast charging	Qualcomm Quick Charge 2.0
Charge speed
Wired: 15.0W	Wired: 25.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 22min

Browsing

13h 42min

Video

9h 19min

Gaming

10h 5min

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	64 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" 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 (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4	8 MP (Telephoto, OIS, Autofocus) Optical zoom: 3.0x Aperture size: F24.0 Pixel size: 1.0 μm
Fourth camera
5 MP (Depth information) Aperture size: F2.4	5 MP (Macro) Aperture size: F2.4 Pixel size: 1.12 μm
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) Continuous autofocus, Picture-taking during video recording
Front
20 MP, Video capture: 1920x1080 (Full HD)	32 MP, Video capture: 3840x2160 (4K UHD) (30 fps)

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,802.1x Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
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, Pedometer, Compass, Hall (for flip covers)
Other
NFC	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
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 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+)	Bands 38(2600), 40(2300), 41(2600+)
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, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL	Date approved: Jan 26, 2021 FCC ID value: A3LSMA725M
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	Head: 0.29 W/kg Body: 0.30 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 0.59 W/kg
EU SAR
	Head: 0.23 W/kgBody: 1.17 W/kg

Buyers information

MSRP
€ 300	€ 449

Availability

Officially announced
Mar 24, 2020	Mar 17, 2021

Alternative variants

with 128GB storage


RAM	6GB
Internal storage	128GB

with 8GB RAM and 256GB storage


RAM	8GB
Internal storage	256GB

Links

Full specifications
Samsung Galaxy A31 Specs	Samsung Galaxy A72 Specs
PhoneArena Review
	Samsung Galaxy A72 Review