Samsung Galaxy A51 vs Samsung Galaxy A23 5G Specs Comparison

Design

Dimensions
6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm	6.48 x 3.03 x 0.33 inches 164.5 x 76.9 x 8.4 mm
Weight
6.07 oz (172.0 g)	6.95 oz (197.0 g)
Materials
Back: Plastic Frame: Plastic	Back: Plastic Frame: Plastic
Biometrics
2D Face unlock, Optical in-screen fingerprint	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue	Black, White, Peach, Blue

Display

Size
6.5-inch	6.6-inch
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2400x1080px, 20:9 ratio, 399 PPI
Technology
Super AMOLED	TFT
Refresh rate
60Hz	120Hz
Screen-to-body
87.37 %	83.02 %
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor	Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm)	Qualcomm Snapdragon 695 SM6375 (6 nm)
Processor
Octa-core 2300 MHz 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53	Octa-core 4x 2.2GHz Kryo 660+ 4x 1.7GHz Kryo 660
GPU
Mali-G72 MP3	Adreno 619
Memory
4GB (LPDDR4)/128GB	4GB/64GB
Storage expansion
microSDXC up to 512 GB	microSDXC
OS
Android (11, 10)	Android (14, 13, 12)

Battery

Type
4000 mAh, Li - Polymer	5000 mAh, Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
	Wired: 25.0W

PhoneArena Battery Tests

Battery Life Estimate

5h 22min

Browsing

11h 35min

Video

8h 35min

Gaming

6h 40min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Quad camera
Main camera
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm	50 MP (PDAF) Aperture size: F1.8
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm	5 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm	2 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm	2 MP (Depth information)
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS	1080p (30 fps)
Front
32 MP (HDR) Video capture: 1080p	8 MP Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	Yes
WLAN
802.11 a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer
Other
NFC, ANT+

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)
Noise cancellation	Noise cancellation

Cellular

5G
	Bands n2, n5, n30, n66, n77
4G (FDD)
Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29(700 d), 30(2300 WCS), 66(AWS-3), 71(600)	Bands 1, 2, 3, 4, 5, 7, 12, 14, 20, 29(700 d), 66(AWS-3)
4G (TDD)
Bands 38, 39, 41	Bands 38, 39, 40, 41, 48
3G
Bands 1, 2, 4, 5, 8	Bands 1, 2, 4, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Dual Nano SIM

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN
Measured SAR
Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg

Buyers information

MSRP
$ 400
In The Box
	Phone, USB Type-C cable, SIM ejector tool, Papers

Availability

Officially announced
Dec 12, 2019	Aug 05, 2022

Alternative variants

with 128GB storage

Memory	6GB/128GB

for Verizon

4G (FDD)	Bands 2, 3, 4, 5, 7, 13, 20, 28, 66(AWS-3)
3G	Bands 5, 8, 2, 1

for AT&T

4G (FDD)	Bands 2, 4, 5, 12, 13, 25, 26, 66(AWS-3), 71(600)
4G (TDD)	Bands 41

for Sprint

4G (FDD)	Bands 2, 4, 5, 12, 13, 25, 26, 66(AWS-3), 71(600)
4G (TDD)	Bands 41

for Europe

4G (FDD)	Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66(AWS-3)
4G (TDD)	Bands 38, 40, 41
Dual SIM	Yes

Links

Full specifications
Samsung Galaxy A51 Specs	Samsung Galaxy A23 5G Specs
PhoneArena Review
Samsung Galaxy A51 Review
User Reviews
Samsung Galaxy A51 User Reviews