Samsung Galaxy A30s vs Samsung Galaxy A51

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Display

Size

6.4 inches
6.5 inches

Resolution

720 x 1560 pixels, 19.5:9 ratio,
268 PPI
1080 x 2400 pixels, 20:9 ratio,
405 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

84.95 %
87.37 %

Features

Ambient light sensor, Proximity sensor
Ambient light sensor, Proximity sensor

Hardware & Performance

System chip

Samsung Exynos 7 Octa 7885
Samsung Exynos 9611

Processor

Octa-core, 1800 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm
Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm

GPU

Mali-G71 MP2
Mali-G72 MP3

RAM

4GB
4GB

Internal storage

128GB
128GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

OS

Android (9.0 Pie)
Android (10), Samsung One UI

Battery

Capacity

4000 mAh
4000 mAh

Type

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging

Fast charging
Fast charging

Camera

Rear

Triple camera
Quad camera

Main camera

 
48 megapixels

Features

Phase-detection autofocus
Phase-detection autofocus

Second camera

8 megapixels
12 megapixels

Features

Ultra-wide
Ultra-wide

Third camera

5 megapixels
5 megapixels

Features

Depth information
Macro

Fourth camera

 
5 megapixels

Features

 
Depth information

Video recording

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features

 
Hyperlapse, Digital image stabilization

Front

16 megapixels
32 megapixels

Features

 
High Dynamic Range mode (HDR)

Design

Dimensions

6.24 x 2.94 x 0.30 inches (158.5 x 74.7 x 7.7 mm)
6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)

Weight

5.86 oz (166 g)
the average is 6.2 oz (176 g)
6.07 oz (172 g)
the average is 6.2 oz (176 g)

Materials

 
Back: Plastic

Biometrics

In-screen fingerprint
2D Face unlock, In-screen fingerprint

Colors

Prism crush black, Prism crush white, Prism crush violet, Prism crush green
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD)

Bands 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800 DD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)

LTE (TDD)

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 40(2300), 41(2600+)

UMTS

850, 900, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

Data Speed

LTE-A, 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

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Features

 
Dolby Atmos

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
Charging, OTG

Sensors

Accelerometer, Compass
Accelerometer, Gyroscope, Compass

Other

 
NFC, ANT+
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