Samsung Galaxy A51 vs Samsung Galaxy A01

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Display

Size

6.5 inches
5.7 inches

Resolution

1080 x 2400 pixels
720 x 1560 pixels

Pixel density

405 PPI
301 PPI

Technology

Super AMOLED
IPS LCD

Screen-to-body

87.37 %
76.92 %

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, 1950 MHz, 64-bit

GPU

Mali-G72 MP3
Yes

RAM

4GB
2GB

Internal storage

128GB
16GB

Storage expansion

microSDXC up to 512 GB
microSDXC up to 512 GB

OS

Android (10), Samsung One UI
Android

Battery

Capacity

4000 mAh
3000 mAh

Type

Li - Polymer, Not user replaceable
Not user replaceable

Charging

Fast charging
 

Camera

Rear

Quad camera
Dual camera

Main camera

48 megapixels
13 megapixels

Features

Phase-detection autofocus
Autofocus

Second camera

12 megapixels
2 megapixels

Features

Ultra-wide
Depth information

Third camera

5 megapixels
 

Features

Macro
 

Fourth camera

5 megapixels
 

Features

Depth information
 

Video recording

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

Features

Hyperlapse, Digital image stabilization
 

Front

32 megapixels
5 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)
5.76 x 2.79 x 0.33 inches (146.3 x 70.9 x 8.3 mm)

Weight

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

Materials

Back: Plastic
Back: Plastic

Biometrics

2D Face unlock, In-screen fingerprint
 

Colors

Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue
Black, Blue, Red

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, 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
3.5mm jack

Features

Dolby Atmos
 

Connectivity & Features

Bluetooth

5.0
Yes

Wi-Fi

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 b, g, n; Wi-Fi Direct, Hotspot

USB

Type-C (reversible), USB 2.0
Yes

Features

Charging, OTG
 

Sensors

Accelerometer, Gyroscope, Compass
Accelerometer

Other

NFC, ANT+
 
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