Samsung Galaxy A31 vs Samsung Galaxy M30
Compare phone and tablet specifications of up to three devices. Type a model name in the search field of our phone comparison tool or pick a popular device from the ones below.
Display
Size
Resolution
Technology
Super AMOLED
Super AMOLED
Screen-to-body
84.88 %
86.66 %
Features
Ambient light sensor, Proximity sensor
Proximity sensor
Hardware & Performance
System chip
MediaTek Helio P65 MT6768
Samsung Exynos 7 Octa 7904
Processor
GPU
Mali-G52 MC2
Mali-G71 MP2
RAM
Internal storage
64GB
128GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 512 GB
OS
Android (10), Samsung One UI
Android (9.0 Pie, 8.1 Oreo), Samsung One UI
Battery
Capacity
5000 mAh
5000 mAh
Type
Not user replaceable
Not user replaceable
Charging
Fast charging
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging
Camera
Rear
Quad camera
Triple camera
Main camera
Specifications
Aperture size: F2.0; Pixel size: 0.8 μm
Aperture size: F1.9; Focal length: 27 mm; Sensor size: 1/3.1"; Pixel size: 1.12 μm
Second camera
8 MP (Ultra-wide)
5 MP (Ultra-wide)
Specifications
Aperture size: F2.2
Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Third camera
5 MP (Macro)
5 MP (Depth information)
Specifications
Aperture size: F2.4
Aperture size: F2.2
Fourth camera
5 MP (Depth information)
Specifications
Aperture size: F2.4
Video recording
1920x1080 (Full HD)
1920x1080 (Full HD) (30 fps)
Features
Video calling, Video sharing
Front
20 MP
16 MP
Design
Dimensions
Weight
the average is 6.4 oz (184 g)
the average is 6.4 oz (184 g)
Materials
Back: Plastic
Back: Plastic
Biometrics
In-screen fingerprint
2D Face unlock, Fingerprint (touch)
Features
Soft keys
Colors
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white
Black, Blue
Cellular
LTE (FDD)
Bands 1(2100), 3(1800), 5(850), 8(900), 20(800 DD)
LTE (TDD)
Bands 40(2300), 41(2600+)
UMTS
850, 900, 1900, 2100 MHz
Data Speed
Dual SIM
Yes
Yes
SIM type
Nano SIM
Nano SIM
VoLTE
Yes
Multimedia
Headphones
3.5mm jack
Features
Album art cover, Background playback, Dolby Atmos
Connectivity & Features
Bluetooth
Yes
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; Hotspot, Wi-Fi Direct
USB
Type-C (reversible)
Type-C (reversible), USB 2.0
Features
Charging
Mass storage device, Charging
Sensors
Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync
Phone features
Notifications
Haptic feedback, Music ringtones, Vibration
Other features
Voice dialing, Voice commands, Voice recording
