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Samsung Galaxy A31 vs Samsung Galaxy A51 5G 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.

Comparison mode:
Specs Size
Differences only
Samsung Galaxy A31
Samsung Galaxy A51 5G
Samsung Galaxy A31 Samsung Galaxy A51 5G
Released · Apr 27, 2020
Released · Apr 29, 2020
6.4-inch
6.5-inch
Quad camera
Quad camera
4GB · 64GB
6GB · 128GB
5000 mAh
4500 mAh
Check prices

Design

Dimensions
6.27 x 2.88 x 0.34 inches
159.3 x 73.1 x 8.6 mm 		6.26 x 2.90 x 0.34 inches
158.9 x 73.6 x 8.7 mm
Weight
6.53 oz (185.0 g) 6.60 oz (187.0 g)
Materials
Back: Plastic Back: Plastic
Frame: Aluminum
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 Prism cube black

Display

Size
6.4-inch 6.5-inch
Resolution
2400x1080px, 20:9 ratio, 411 PPI 2400x1080px, 20:9 ratio, 405 PPI
Technology
Super AMOLED Super AMOLED
Refresh rate
60Hz 60Hz
Screen-to-body
84.88 % 87.37 %
Features
Ambient light sensor, Proximity sensor Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P65 MT6768 (12 nm) Samsung Exynos 980 (8 nm)
Processor
Octa-core
2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55 		Octa-core
2x 2.2GHz Cortex-A77 + 6x 1.8GHz Cortex-A55
GPU
Mali-G52 MC2 Mali-G76 MP5
RAM
4GB (LPDDR4) 6GB (LPDDR4)
Internal storage
64GB (eMMC 5.1), available to use: 46.2 GB 128GB, available to use: 105.3 GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 1000 GB
OS
Android (10), Samsung One UI Android (11, 10), Samsung One UI

Battery

Capacity
5000 mAh 4500 mAh
Type
Li - Polymer Li - Polymer
Charging
Fast charging Fast charging
Charge speed
Wired: 15.0W Wired: 25.0W

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 		48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
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 		12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.4 		5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
Fourth camera
5 MP (Depth information)
Aperture size: F2.4 		5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps) 3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps)
Hyperlapse, EIS
Front
20 MP, Video capture: 1920x1080 (Full HD) 32 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, USB 2.0
Hearing aid compatible
M3/T3
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, Hall (for flip covers)
Other
NFC NFC, ANT+

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

5G
Bands n41, n71, SA, NSA
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), 13(700 c), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020
FCC ID value: A3LSMA315GL 		Date approved: Jul 15, 2020
FCC ID value: A3LSMA516U
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: 1.18 W/kg
Body: 1.20 W/kg
Simultaneous Transmission: 3.25 W/kg
Wireless Router: 1.37 W/kg

Buyers information

MSRP
€ 300 $ 500
In The Box
A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions

Availability

Officially announced
Mar 24, 2020 Apr 08, 2020

Alternative variants

with 128GB storage
RAM 6GB
Internal storage 128GB
with 8GB RAM
RAM 8GB
for Europe
Colors Prism cube black, Prism cube white
5G Bands n41, n78, SA, NSA
4G (FDD) Bands 1(2100), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 20(800 DD), 28(700 APT)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
Dual SIM Yes
SIM type Nano SIM
for Verizon
System chip Qualcomm Snapdragon 765G SM7250-AB (7 nm)
Processor Octa-core
2400 MHz
Kryo 475
GPU Adreno 620
Colors Prism bricks blue
5G Bands n260, n261, mmWave
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 12(700 a), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
FCC approval Date approved: Jul 20, 2020
FCC ID value: A3LSMA516V
Measured SAR Head: 0.32 W/kg
Body: 1.32 W/kg
Simultaneous Transmission: 3.01 W/kg
Wireless Router: 1.37 W/kg
Phablet: 3.91 W/kg
MSRP $ 550
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