Samsung Galaxy A30s vs Samsung Galaxy A51

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$250 VIEW ON amazon
$319 VIEW ON amazon

Display

Size

6.4 inches
6.5 inches

Resolution

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

Technology

Super AMOLED
Super AMOLED

Screen-to-body

84.95 %
87.37 %

Features

Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

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 LPDDR4
4GB LPDDR4

Internal storage

128GB
128GB, available to use: 105.9 GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

OS

Android (10, 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

Battery life test results

 

Charging

Fast charging
Fast charging

Camera

Rear

Triple camera
Quad camera

Main camera

25 MP (PDAF)
48 MP (PDAF)

Specifications

Aperture size: F1.7; Focal length: 27 mm
Aperture size: F2.0; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera

8 MP (Ultra-wide)
12 MP (Ultra-wide)

Specifications

Aperture size: F2.2; Focal Length: 13 mm
Aperture size: F2.2; Focal Length: 13 mm; Pixel size: 1.12 μm

Third camera

5 MP (Depth information)
5 MP (Macro)

Specifications

Aperture size: F2.2
Aperture size: F2.4; Focal Length: 40 mm

Fourth camera

 
5 MP (Depth information)

Specifications

 
Aperture size: F2.2; Sensor size: 1/5"; Pixel size: 1.12 μm

Video recording

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

Features

 
Hyperlapse, EIS

Front

16 MP
32 MP (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 (166.0 g)
the average is 6.2 oz (176 g)
6.07 oz (172.0 g)
the average is 6.2 oz (176 g)

Materials

 
Back: Plastic; Frame: 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), 14(700 PS), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD)

Bands 38(2600), 40(2300), 41(2600+)
Bands 38(2600), 39(1900+), 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

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
3.5mm jack

Speakers

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features

 
Dolby Atmos

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
Charging, OTG

Location

GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors

Accelerometer, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers)

Other

 
NFC, ANT+

Regulatory Approval

FCC approval

 
 

Date approved

Aug 19, 2019
Nov 28, 2019

FCC ID value: A3LSMA307FN link
FCC ID value: A3LSMA515FN link

Measured SAR

 
 

Head

0.60 W/kg
0.89 W/kg

Body

0.50 W/kg
1.18 W/kg

Simultaneous Transmission

1.47 W/kg
1.56 W/kg

Wireless Router

1.20 W/kg
1.12 W/kg

Phablet

2.64 W/kg
2.76 W/kg

Buyers information

Price

 
$ 400
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