Samsung Galaxy A51 vs Samsung Galaxy A71

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Display

Size

6.5 inches
6.7 inches

Resolution

1080 x 2400 pixels
1080 x 2400 pixels

Pixel density

405 PPI
393 PPI

Technology

Super AMOLED
Super AMOLED

Screen-to-body

87.37 %
87.24 %

Features

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

Hardware & Performance

System chip

Samsung Exynos 9611
 

Processor

Octa-core, 2300 MHz, ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm
Octa-core, 2200 MHz, 64-bit

GPU

Mali-G72 MP3
Yes

RAM

4GB
6GB

Internal storage

128GB
128GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

OS

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

Battery

Capacity

4000 mAh
4500 mAh

Type

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

Charging

Fast charging
Fast charging

Camera

Rear

Quad camera
Quad camera

Main camera

48 megapixels
64 megapixels

Features

Phase-detection autofocus
Phase-detection autofocus

Second camera

12 megapixels
12 megapixels

Features

Ultra-wide
Ultra-wide

Third camera

5 megapixels
5 megapixels

Features

Macro
Macro

Fourth camera

5 megapixels
5 megapixels

Features

Depth information
Depth information

Video recording

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

Features

Hyperlapse, Digital image stabilization
 

Front

32 megapixels
32 megapixels

Features

High Dynamic Range mode (HDR)
 

Design

Dimensions

6.24 x 2.90 x 0.31 inches (158.5 x 73.6 x 7.9 mm)
6.44 x 2.99 x 0.30 inches (163.6 x 76 x 7.7 mm)

Weight

6.07 oz (172 g)
the average is 6.2 oz (177 g)
6.31 oz (179 g)
the average is 6.2 oz (177 g)

Materials

Back: Plastic
Back: Plastic

Biometrics

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

Colors

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue

Cellular

LTE (FDD)

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+)
 

UMTS

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
Yes

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

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)

Features

Charging, OTG
Charging, OTG

Sensors

Accelerometer, Gyroscope, Compass
Compass

Other

NFC, ANT+
ANT+
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