Samsung Galaxy M31 vs Samsung Galaxy A51 5G Specs Comparison

Design

Dimensions
6.27 x 2.96 x 0.35 inches 159.2 x 75.1 x 8.9 mm	6.26 x 2.90 x 0.34 inches 158.9 x 73.6 x 8.7 mm
Weight
6.74 oz (191.0 g)	6.60 oz (187.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Aluminum
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Blue, Black, Red	Prism cube black

Display

Size
6.4-inch	6.5-inch
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI	2400x1080px, 20:9 ratio, 405 PPI
Technology
Super AMOLED	Super AMOLED
Refresh rate
	60Hz
Screen-to-body
83.97 %	87.37 %
Peak brightness
420 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Exynos 9611 (10 nm)	Samsung Exynos 980 (8 nm)
Processor
Octa-core 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53	Octa-core 2x 2.2GHz Cortex-A77 + 6x 1.8GHz Cortex-A55
GPU
Mali-G72 MP3	Mali-G76 MP5
Memory
6GB (LPDDR4)/64GB (UFS 2.1)	6GB (LPDDR4)/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1000 GB
OS
Android (11, 10)	Android (11, 10)

Battery

Type
6000 mAh, Li - Polymer	4500 mAh, Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
Wired: 15.0W	Wired: 25.0W

Camera

Rear
Quad camera	Quad camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" 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 Focal Length: 12 mm 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: F2.2 Focal Length: 25 mm Sensor size: 1/5" Pixel size: 1.12 μm	5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm
Fourth camera
5 MP (Depth information) Aperture size: F2.2	5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p, 720p (240 fps) Hyperlapse, EIS	4K UHD (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS
Front
32 MP (HDR, Slow-motion videos) Video capture: 1080p	32 MP (HDR) Video capture: 1080p

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	Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G
	Bands n41, n71, SA, NSA
4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66(AWS-3)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66(AWS-3), 71(600)
4G (TDD)
Bands 38, 40, 41	Bands 38, 39, 40, 41
3G
Bands 1, 2, 4, 5, 8	Bands 1, 2, 4, 5
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
VoLTE
Yes

Regulatory Approval

FCC approval
Date approved: Feb 07, 2020 FCC ID value: A3LSMM315F	Date approved: Jul 15, 2020 FCC ID value: A3LSMA516U
Measured SAR
Head: 0.42 W/kg Body: 0.41 W/kg Simultaneous Transmission: 1.54 W/kg Wireless Router: 0.74 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
€ 240	$ 500
In The Box
15W fast charger, Data cable, Ejection pin, User Manual	A to C USB Cable, Wall Adapter, SIM Pin/Ejector, Quick Start Guide, Terms & Conditions

Availability

Officially announced
Feb 25, 2020	Apr 08, 2020

Alternative variants

with 128GB storage

Memory	128GB

with 8GB RAM

Memory	8GB

for Europe

Colors	Prism cube black, Prism cube white
5G	Bands n41, n78, SA, NSA
4G (FDD)	Bands 1, 3, 4, 5, 7, 8, 12, 20, 28
4G (TDD)	Bands 38, 40, 41
3G	Bands 5, 8, 2, 1
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, 3, 4, 5, 7, 12, 13, 20, 28, 66(AWS-3)
3G	Bands 5, 8, 2, 1
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

Links

Full specifications
Samsung Galaxy M31 Specs	Samsung Galaxy A51 5G Specs
User Reviews
	Samsung Galaxy A51 5G User Reviews