Samsung Galaxy A30 vs Samsung Galaxy A31

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Display

Size

6.4 inches
6.4 inches

Resolution

2340 x 1080 pixels, 19.5:9 ratio,
403 PPI
2400 x 1080 pixels, 20:9 ratio,
411 PPI

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

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2000 MHz, Arm Cortex-A75 and Arm Cortex-A55, 64-bit, 12 nm

GPU

Mali-G71 MP2
Mali-G52 MC2

RAM

4GB
4GB

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

16 MP (PDAF)
48 MP (PDAF)

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

6.24 x 2.94 x 0.30 inches (158.5 x 74.7 x 7.7 mm)
6.27 x 2.88 x 0.34 inches (159.3 x 73.1 x 8.6 mm)

Weight

5.82 oz (165 g)
the average is 6.4 oz (183 g)
6.53 oz (185 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

LTE-A Cat 12/13 (600/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

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
 
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