Samsung Galaxy A30 vs Samsung Galaxy A31
Display
Size
Resolution
Technology
Super AMOLED
Super AMOLED
Screen-to-body
85.24 %
84.88 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor
Hardware & Performance
System chip
Samsung Exynos 7 Octa 7904
MediaTek Helio P65 MT6768
Processor
GPU
Mali-G71 MP2
Mali-G52 MC2
RAM
Internal storage
64GB
64GB
Storage expansion
microSDXC up to 512 GB
microSDXC up to 512 GB
OS
Android (10, 9.0 Pie), Samsung One UI
Android (10), Samsung One UI
Battery
Capacity
4000 mAh
5000 mAh
Type
Li - Ion, Not user replaceable
Not user replaceable
Charging
Samsung Adaptive Fast Charging
Fast charging
Camera
Rear
Dual camera
Quad camera
Main camera
Specifications
Aperture size: F1.7; Focal length: 27 mm; Sensor size: 1/2.8"; Pixel size: 1.12 μm
Aperture size: F2.0; Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide)
8 MP (Ultra-wide)
Specifications
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/5"; Pixel size: 1.12 μm
Aperture size: F2.2
Third camera
5 MP (Macro)
Specifications
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Specifications
Aperture size: F2.4
Video recording
1920x1080 (Full HD) (30 fps)
1920x1080 (Full HD)
Features
Video calling, Video sharing
Front
16 MP
20 MP
Design
Dimensions
Weight
the average is 6.4 oz (183 g)
the average is 6.4 oz (183 g)
Materials
Back: Plastic
Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)
In-screen fingerprint
Colors
Black, Blue, White
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white
Cellular
LTE (FDD)
Bands 1(2100), 3(1800), 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
VoLTE
Yes
Multimedia
Headphones
3.5mm jack
Features
Dolby Atmos, Album art cover, Background playback
Connectivity & Features
Bluetooth
5.0
Yes
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)
Features
Charging, Mass storage device
Charging
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)
Accelerometer, Gyroscope, Compass
Other
VoIP, Tethering, Computer sync, OTA sync
