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Samsung Galaxy A51 vs Samsung Galaxy S23 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
7.0
Samsung Galaxy A51
6.8
Samsung Galaxy S23
Samsung Galaxy A51 Samsung Galaxy S23
Released · Dec 27, 2019
Released · Feb 17, 2023
6.5-inch · 2400 x 1080 px
6.1-inch · 2340 x 1080 px
48 MP Main · 32 MP Selfie
50 MP Main · 12 MP Selfie
4GB · 128GB
8GB · 128GB
4000 mAh
3900 mAh
Check prices Check prices

Display

Size
6.5-inch 6.1-inch
Resolution
2400 x 1080 px, 20:9 ratio, 405 PPI 2340 x 1080 px, 19.5:9 ratio, 422 PPI
Technology
Super AMOLED Super AMOLED
Refresh rate
60Hz 120Hz
Screen-to-body
87.37 % 88.57 %
Peak brightness
1750 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 9611 (10 nm) Qualcomm Snapdragon 8 Gen 2 SM8550-AC (4 nm)
Processor
Octa-core, 2300 MHz, 4x 2.3GHz Cortex-A73 + 4x 1.7GHz Cortex-A53, 64-bit Octa-core, 1x 3.36GHz Kryo Prime + 4x 2.8GHz Kryo Gold + 3x 2.0GHz Kryo Silver
GPU
Mali-G72 MP3 Adreno 740
RAM
4GB (LPDDR4) 8GB (LPDDR5X)
Internal storage
128GB, available to use: 105.9 GB 128GB (UFS 4.0), not expandable
Storage expansion
microSDXC up to 512 GB
OS
Android (11, 10), Samsung One UI Android (14, 13), One UI
Device type
Smartphone Smartphone

Battery

Capacity
4000 mAh 3900 mAh
Type
Li - Polymer, Not user replaceable Li - Ion, Not user replaceable
Charging
Fast charging Fast charging, Qi wireless charging, Reverse wireless charging
Max charge speed
Wired: 25.0W
Wireless: 10.0W
PhoneArena Battery Tests
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Battery Life Estimate
6h 3min
Browsing
15h 21min
Video
8h 6min
Gaming
8h 1min
Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Quad camera Triple camera
Main camera
48 MP (PDAF)
Specifications:
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm 		50 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8
Focal length: 23 mm
Sensor size: 1/1.56"
Pixel size: 1.0 μm
Second camera
12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm 		10 MP (Telephoto, OIS)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 69 mm
Sensor size: 1/3.94"
Pixel size: 1.0 μm
Third camera
5 MP (Macro)
Specifications:
Aperture size: F2.4
Focal Length: 40 mm 		12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Fourth camera
5 MP (Depth information)
Specifications:
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED Dual LED
Video recording
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
Features:
Hyperlapse, EIS 		7680x4320 (8K UHD) (30 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps)
Features:
OIS, HDR
Front
32 MP (HDR), Video capture: 1920x1080 (Full HD) 12 MP, Video capture: 3840x2160 (4K UHD) (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
137
Overall
139
Photo
134
Video
Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

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 0.30 inches
(146.3 x 70.9 x 7.6mm)
thickness with camera 0.36 inches (9.02 mm)
Weight
6.07 oz(172.0 g) 5.93 oz(168.0 g)
Materials
Back: Plastic
Frame: Plastic 		Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum
Resistance
Water, Dust; IP68
Biometrics
2D Face unlock, Optical in-screen fingerprint 2D Face unlock, Ultrasonic in-screen fingerprint
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 Phantom Black, Cream, Green, Lavender

Cellular

5G
Bands n1, n7, n25, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave, 5G Ready
4G (FDD)
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) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)
Bands 38(2600), 39(1900+), 41(2600+) Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
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 + eSIM

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation Noise cancellation

Connectivity & Features

Bluetooth
5.0 5.3
Wi-Fi
802.11 a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot 		802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E
Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 2.0, Features: Charging, OTG Type-C (reversible), Features: Charging, OTG
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, Gyroscope, Compass
Other
NFC, ANT+ NFC, Ultra Wideband (UWB)

Regulatory Approval

FCC approval
Date approved: Nov 28, 2019
FCC ID value: A3LSMA515FN 		Date approved: Jan 17, 2023
FCC ID value: A3LSMS911U
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 		Head: 0.95 W/kg
Body: 0.88 W/kg
Simultaneous Transmission: 1.58 W/kg
Wireless Router: 1.24 W/kg

Buyers information

MSRP
$ 400 $ 800
In The Box
USB-C cable, SIM Tray ejector, Paperwork

Availability

Officially announced
Dec 12, 2019 Feb 01, 2023

Alternative variants

with 128GB storage
RAM 6GB
Internal storage 128GB
With 256GB internal storage
Internal storage 256GB
MSRP $ 860
for Verizon
4G (FDD) Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)
3G Bands 5(850), 8(900), 2(1900), 1(2100)
International
5G Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n66, n75, n77, n78, SA, NSA, Sub-6
4G (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), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD) Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
for AT&T
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for Sprint
4G (FDD) Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 66(AWS-3), 71(600)
4G (TDD) Bands 41(2600+)
for Europe
4G (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)
4G (TDD) Bands 38(2600), 40(2300), 41(2600+)
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless