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.

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 · 2400x1080px
6.1-inch · 2340x1080px
Quad camera
Triple camera
4GB · 128GB
8GB · 128GB
4000 mAh
3900 mAh
Check prices Check prices

Availability

Officially announced
Dec 12, 2019 Feb 01, 2023
Prices (MSRP)
$400 $800

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 (~0.36 inches with camera bump)
146.3 x 70.9 x 7.6mm (~9.02 mm with camera bump)
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

Display

Size
6.5-inch, 87.37% screen-to-body 6.1-inch, 88.57% screen-to-body
Type
Super AMOLED, 60Hz Super AMOLED, 120Hz, HDR, 1750 nits
Resolution
2400x1080px, 20:9 ratio, 405 PPI 2340x1080px, 19.5:9 ratio, 422 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass Victus 2

Hardware

System chip
Samsung Exynos 9611 (10 nm) Snapdragon 8 Gen 2 SM8550-AC (4 nm)
Processor
Octa-core
2300 MHz
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
Octa-core
1x3.36GHz Kryo Prime
4x2.8GHz Kryo Gold
3x2.0GHz Kryo Silve
GPU
Mali-G72 MP3 Adreno 740
Memory
4GB (LPDDR4)/128GB
6GB/128GB
8GB (LPDDR5X)/128GB (UFS 4.0)
8GB/256GB
Storage expansion
microSDXC up to 512 GB not expandable
OS
Android (11, 10) Android (14, 13)

Battery

Type
4000 mAh, Li - Polymer 3900 mAh, Li - Ion
Charging
Fast charging Fast charging
Qi wireless charging, Reverse wireless charging
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

Camera

Rear
Quad camera Triple 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 (OIS, PDAF)
Sensor name: Samsung ISOCELL
Aperture size: F1.8
Focal length: 23 mm
Sensor size: 1/1.56"
Pixel size: 1.0 μm
Second camera
12 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Pixel size: 1.12 μm
12 MP (Ultra-wide)
Sensor name: Sony IMX564
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
Third camera
5 MP (Macro)
Aperture size: F2.4
Focal Length: 40 mm
12 MP (Telephoto, OIS)
Sensor name: Samsung S5K3K1
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 64 mm
Sensor size: 1/3.94"
Pixel size: 1.0 μm
Fourth camera
5 MP (Depth information)
Aperture size: F2.2
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED Dual LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (240 fps)
Hyperlapse, EIS
8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps)
OIS, HDR
Front
32 MP (HDR)
Video capture: 1080p
12 MP
Video capture: 4K UHD (60 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
137
Overall
139
Photo
134
Video

Connectivity & Features

Bluetooth
5.0 5.3
WLAN
a,b,g,n,ac,dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 6E
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0 Type-C
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC, Ultra Wideband (UWB)

Multimedia

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

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, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71
4G (TDD) Bands
38, 39, 41 38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 8 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 + eSIM

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

Alternative variants

with 128GB storage
Memory 6GB/128GB
With 256GB internal storage
Memory 256GB
Prices (MSRP) $860
for Verizon
4G (FDD) Bands 2, 3, 4, 5, 7, 13, 20, 28, 66
3G Bands 5, 8, 2, 1
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, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66
4G (TDD) Bands 38, 39, 40, 41
for AT&T
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
for Sprint
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 66, 71
4G (TDD) Bands 41
for Europe
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66
4G (TDD) Bands 38, 40, 41
Dual SIM Yes
FCC OKs Cingular\'s purchase of AT&T Wireless