Samsung Galaxy M51 vs Samsung Galaxy M31s Specs Comparison

Design

Dimensions
6.45 x 3.00 x 0.37 inches 163.9 x 76.3 x 9.5 mm	6.27 x 2.93 x 0.37 inches 159.3 x 74.4 x 9.3 mm
Weight
7.51 oz (213.0 g)	7.16 oz (203.0 g)
Materials
Back: Plastic Frame: Plastic
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White	Mirage black, Mirage blue

Display

Size
6.7-inch	6.5-inch
Resolution
2340x1080px, 20:9 ratio, 385 PPI	2400x1080px, 20:9 ratio, 405 PPI
Technology
Super AMOLED Plus	Super AMOLED
Screen-to-body
88.27 %	86.06 %
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
Qualcomm Snapdragon 730 SM7150-AA (8 nm)	Samsung Exynos 9611 (10 nm)
Processor
Octa-core 2x 2.2GHz Kryo 470 + 6x 1.8GHz Kryo 470	Octa-core 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53
GPU
Adreno 618	Mali-G72 MP3
RAM
6GB (LPDDR4)	6GB (LPDDR4)
Internal storage
128GB, available to use: 106 GB	128GB (UFS 2.1), available to use: 106.4 GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 512 GB
OS
Android (10), Samsung One UI	Android (11, 10), Samsung One UI

Battery

Capacity
7000 mAh	6000 mAh
Charging
Fast charging, Reverse wired charging	Fast charging, Reverse wired charging
Charge speed
Wired: 25.0W	Wired: 25.0W

Camera

Rear
Quad camera	Quad camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 0.8 μm	64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2	12 MP (Ultra-wide) Aperture size: F2.2
Third camera
5 MP (Macro) Aperture size: F2.4	5 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.4	5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)	3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (480 fps) Hyperlapse, EIS
Front
32 MP (HDR), 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 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, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass	Accelerometer, Gyroscope, Compass
Other
NFC	NFC

Multimedia

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

Cellular

4G (FDD)
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), 66(AWS-3)	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), 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), 4(1700/2100), 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, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Buyers information

MSRP
€ 360	€ 310

Availability

Officially announced
Aug 31, 2020	Jul 30, 2020

Alternative variants

with 8GB RAM

RAM	8GB

Links

Full specifications
Samsung Galaxy M51 Specs	Samsung Galaxy M31s Specs