Samsung Galaxy A23

Samsung Galaxy A51

os

Android 12, One UI 4.1

Android 10.0; One UI 2

RAM

6 GB

6 GB

ROM

128 GB

128 GB

expandable

512 GB

512 GB

CPU

Octa-core (2.4 GHz, 1.9 GHz)

Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)

GPU

Mali-G72 MP3

SoC

Snapdragon 680

Exynos 9611 (10nm)

number of cores

8core

8core

features

LED flash, panorama, HDR

LED flash, panorama, HDR

primary

Quad:
50 MP, f/1.8, (wide), PDAF, OIS
5 MP, f/2.2, 123 (ultrawide), 1/5", 1.12m
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)

Quad:
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8m, PDAF
12 MP, f/2.2, 12mm (ultrawide)
5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12m
5 MP, f/2.2, (depth)

secondary

8 MP, f/2.2, (wide)

32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8m

video

4K@30fps, 1080p@30fps

2160p@30fps, 1080p@30/60/120fps; gyro-EIS

capacity

5000mAh

4000mAh

charging

Fast charging 25W

Fast battery charging 15W

type

Li-Polymer (non-removable)

Li-Polymer (non-removable)

SIM

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

build

Glass front (Gorilla Glass 3), plastic back, plastic frame

dimension

164.5 x 76.9 x 8.4 mm

158.5 x 73.6 x 7.9 mm

display

PLS LCD, 90Hz

Super AMOLED capacitive touchscreen, 16M colors, 102.0 cm2 (~87.4% screen-to-body ratio)

protection

Corning Gorilla Glass 5

Corning Gorilla Glass 3

resolution

1080 x 2408 pixels, 20:9 ratio (~400 ppi density)

1080 x 2400 pixels, 20:9 ratio (~405 ppi density)

screen

6.6"

6.5"

weight

195 gm

172 gm

GPS

Yes, with A-GPS, GLONASS, GALILEO, BDS

Yes, with A-GPS, GLONASS, GALILEO, BDS

NFC

Yes

USB

USB Type-C 2.0

2.0, Type-C 1.0 reversible connector, USB On-The-Go

bluetooth

5.0, A2DP, LE

5.0, A2DP, LE

internet

4G/LTE

2G/3G/4G/LTE

wifi

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

radio

Unspecified

FM Radio

sensors

Fingerprint (side-mounted), accelerometer, gyro, compass

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, ANT+