Samsung Galaxy A51 5G vs Samsung Galaxy A55 5G Specs Comparison

Availability

Officially announced
Apr 08, 2020	Mar 11, 2024
Prices (MSRP)
$500	$489

Design

Dimensions
6.26 x 2.90 x 0.34 inches 158.9 x 73.6 x 8.7 mm	6.34 x 3.05 x 0.00 inches 161.1 x 77.4 8.2 mm
Weight
6.60 oz (187.0 g)	7.51 oz (213.0 g)
Materials
Back: Plastic Frame: Aluminum	Back: Glass (Corning Gorilla Glass) Frame: Plastic
Resistance
	Water, Dust; IP67
Biometrics
2D Face unlock, Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Prism cube black	Iceblue, Lilac, Navy, Lemon

Display

Size
6.5-inch, 87.37% screen-to-body	6.6-inch, 84.30% screen-to-body
Type
Super AMOLED, 60Hz	Super AMOLED, 120Hz, HDR, 550 nits
Resolution
2400x1080px, 20:9 ratio, 405 PPI	2400x1080px, 20:9 ratio, 399 PPI
Protection
Corning Gorilla Glass 3	Corning Gorilla Glass Victus

Hardware

System chip
Samsung Exynos 980 (8 nm)	Exynos 1480 (5 nm)
Processor
Octa-core 2x2.2GHz Cortex-A77 6x1.8G​Hz Cortex-A55	Octa-core 4x2.7GHz Cortex-A78 4x2.0G​Hz Cortex-A55
GPU
Mali-G76 MP5	Yes
Memory
6GB (LPDDR4)/128GB 8GB/128GB	8GB/128GB 8GB/256GB 12GB/256GB
Storage expansion
microSDXC up to 1000 GB	microSDXC
OS
Android (11, 10)	Android (14)

Battery

Type
4500 mAh, Li - Polymer	5000 mAh, Li - Ion
Charging
Fast charging	Fast charging
Charge speed
Wired: 25.0W	Wired: 25.0W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

6h 36min

Browsing

17h 7min

Video

8h 15min

Gaming

9h 39min

Learn more on our PhoneArena Battery Test Results page

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, Autofocus) Aperture size: F1.8 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) Aperture size: F2.2 Sensor size: 1/3.06" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm	5 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
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS	4K UHD (30 fps)
Front
32 MP (HDR) Video capture: 1080p	32 MP Video capture: 4K UHD (30 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

132

Overall

140

Photo

123

Video

Learn more on our PhoneArena Camera Test Results page

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 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
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
NFC, ANT+	NFC

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

Cellular

5G Bands
n41, n71, SA, NSA	n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78, 5G Ready
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 66
4G (TDD) Bands
38, 39, 40, 41	38, 40, 41
3G Bands
1, 2, 4, 5	1, 2, 3, 5, 8
Data Speed
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
	Yes
SIM type
	Nano SIM, eSIM
HD Voice
Yes

Regulatory Approval

FCC approval
Date approved: Jul 15, 2020 FCC ID value: A3LSMA516U
Measured SAR
Head: 1.18 W/kg Body: 1.20 W/kg Simultaneous Transmission: 3.25 W/kg Wireless Router: 1.37 W/kg

Alternative variants

with 8GB RAM

Memory	8GB

With 256GB internal storage

Memory	256GB

for Europe

Colors	Prism cube black, Prism cube white
5G Bands	n41, n78, SA, NSA
4G (FDD) Bands	1, 3, 4, 5, 7, 8, 12, 20, 28
4G (TDD) Bands	38, 40, 41
3G Bands	5, 8, 2, 1
Dual SIM	Yes
SIM type	Nano SIM

With 12GB RAM and 256GB internal storage

Memory	12GB/256GB

for Verizon

System chip	Snapdragon 765G SM7250-AB (7 nm)
Processor	Octa-core 2400 MHz Kryo 475
GPU	Adreno 620
Colors	Prism bricks blue
5G Bands	n260, n261, mmWave
4G (FDD) Bands	2, 3, 4, 5, 7, 12, 13, 20, 28, 66
3G Bands	5, 8, 2, 1
FCC approval	Date approved: Jul 20, 2020 FCC ID value: A3LSMA516V
Measured SAR	Head: 0.32 W/kg Body: 1.32 W/kg Simultaneous Transmission: 3.01 W/kg Wireless Router: 1.37 W/kg Phablet: 3.91 W/kg
Prices (MSRP)	$550

Links

Full specifications
Samsung Galaxy A51 5G Specs	Samsung Galaxy A55 5G Specs
PhoneArena Review
	Samsung Galaxy A55 5G Review
User Reviews
Samsung Galaxy A51 5G User Reviews