Samsung Galaxy A31 vs Samsung Galaxy M51
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Display
Size
Resolution
Technology
Super AMOLED
Super AMOLED
Screen-to-body
84.88 %
88.27 %
Features
Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware
System chip
MediaTek Helio P65 MT6768
Qualcomm Snapdragon 730 SM7150-AA
Processor
GPU
Mali-G52 MC2
Adreno 618
RAM
Internal storage
64GB (eMMC 5.1), available to use: 46.2 GB
128GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 512 GB
Device type
Smartphone
Smartphone
OS
Android (10), Samsung One UI
Android (10), Samsung One UI
Battery
Capacity
5000 mAh
7000 mAh
Type
Li - Polymer, Not user replaceable
Not user replaceable
Charging
Fast charging
Fast charging
Max charge speed
Wired: 15.0W
Wired: 25.0W
Camera
Rear
Quad camera
Quad camera
Main camera
Specifications
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 0.8 μm
Second camera
8 MP (Ultra-wide)
12 MP (Ultra-wide)
Specifications
Aperture size: F2.2; Sensor size: 1/4"; Pixel size: 1.12 μm
Aperture size: F2.2
Third camera
5 MP (Macro)
5 MP (Macro)
Specifications
Aperture size: F2.4
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
5 MP (Depth information)
Specifications
Aperture size: F2.4
Aperture size: F2.4
Video recording
1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD)
Front
20 MP
32 MP (HDR)
Design
Dimensions
Weight
the average is 6.3 oz (179 g)
Materials
Back: Plastic
Back: Plastic; Frame: Plastic
Biometrics
In-screen fingerprint
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, White
Cellular
LTE (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD)
LTE (TDD)
Bands 38(2600), 40(2300), 41(2600+)
UMTS
850, 900, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
Multimedia
Headphones
3.5mm jack
3.5mm jack
Speakers
Earpiece, Loudspeaker
Earpiece, Loudspeaker
Screen mirroring
Wireless screen share
Wireless screen share
Radio
FM
Additional microphone(s)
for Noise cancellation
for Noise cancellation
Connectivity & Features
Bluetooth
5.0
5.0
Wi-Fi
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 (reversible), USB 2.0
Type-C (reversible), USB 2.0
Features
Charging, OTG
Charging
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
Other
NFC
NFC
Buyers information
Price
€ 300
€ 360
Availability
Officially announced
Mar 24, 2020
Aug 31, 2020
