Samsung Galaxy A51 vs Samsung Galaxy A55 5G: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy A51 vs Samsung Galaxy A55 5G. The complete information of specifications to decide which to buy.

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Technical data sheets

Basics

Samsung Galaxy A51
Samsung Galaxy A51
Global · 4GB · 128GB · A515F
View datasheet
vs
Samsung Galaxy A55 5G
Samsung Galaxy A55 5G
Global · 8GB · 128GB · SM-A556B
View datasheet
vs

Score

Ki Cost-effective
Score
7.7 Ki Cost-effective
Score
8.0 Ki Cost-effective
Score
Design and Screen score 6.8Design & Materials 7.2Design & Materials
Performance and Hardware score 5.7Performance & Hardware 7.2Performance & Hardware
Camera score 6.9Camera 6.5Camera
Connectivity score 7.3 Connectivity 8.3 Connectivity
Battery score 5.2 Battery 7.7 Battery

User reviews

User score
7.4
110 reviews
9.4
6 reviews

Technical specifications of the Samsung Galaxy A51 vs Samsung Galaxy A55 5G

Specs Samsung Galaxy A51 prices Samsung Galaxy A51
Global · 4GB · 128GB · A515F
Samsung Galaxy A55 5G price compare Samsung Galaxy A55 5G
Global · 8GB · 128GB · SM-A556B
Inches 6.5" 6.6"
Resolution FHD+ FHD+
Usable surface 88% useful 85% useful
Aspect Ratio 19.5:9 19.5:9
Dimensions 73.6 mm
158.5 mm
7.9 mm
77.4 mm
161.7 mm
8.2 mm
Weight 172 g 213 g
Micro Exynos 9611
Octa-Core
Exynos 1480
Octa-Core
RAM 4 GB RAM 8 GB RAM
Storage 128 GB 128 GB
AnTuTu 179.753
v8
713.393
v10
Battery 4000 mAh 5000 mAh
Main Camera 1
48 Mpx · ƒ/2.0
IMX582 Exmor RS
2 3 4
1
50 Mpx · ƒ/1.8

2 3
Selfie Camera SELF 32 Mpx · ƒ/2.2 SELF 32 Mpx · ƒ/2.2
Bands
OS Android 13 Tiramisu Android 14 Upside-down cake

Brand

Brand Samsung Samsung
Aliases SM-A515F SM-A556B, SM-A556B/DS

Release Date

Release date December 2019,
4 years ago
March 2024,
1 month ago
State On Sale On Sale
Market Global Global

Design & Materials

Structure

Samsung Galaxy A51
Samsung Galaxy A55 5G
Samsung Galaxy A51
Samsung Galaxy A55 5G
Size
73.6 mm 158.5 mm 7.9 mm
Print 3D Model
77.4 mm 161.7 mm 8.2 mm
Print 3D Model
Weight 172 g 213 g
Usable surface 88 % 85 %
Materials Plastic Plastic, Aluminium
Resistance - IP67
Colors
Black

White

Blue

Pink
Black

White

Violet

Lima

Screen

Diagonal 6.5" 6.6"
Type Super AMOLED Super AMOLED
Aspect Ratio 19.5:9 19.5:9
Resolution FHD+
1080 x 2340 px
FHD+
1080 x 2340 px
Density 396 Pixels per inch 403 Pixels per inch

Others

Others
  • Hole-punch Notch
  • Scratch resistant
  • Capacitive
  • Multi-touch
  • Frameless
  • Hole-punch Notch
  • Refresh rate 120 Hz
  • Brightnes 500 cd/m² (typ)
  • Always-On Display
  • HDR10+
  • Scratch resistant
  • 2.5D curved glass screen
  • Corning Gorilla Glass Victus
  • Capacitive
  • Multi-touch
  • Frameless

User reviews

Is it a drop-resistant and scratch-resistant smartphone?
6.7
8.8
Do you think it's a nice phone?
8.2
9.5
Is it comfortable?
8.3
9.5
Can you see it well in the sunlight?
7.7
9.0
Number of reviews
110 reviews
6 reviews

Performance & Hardware

Processor

Model Samsung Exynos 7 Octa 9611 Exynos 1480
CPU 4x Cortex-A73 2.3 GHz + 4x Cortex-A53 1.67 GHz 4x2.75GHz Cortex-A78 + 4x2.05GHz Cortex-A55
Type Octa-Core Octa-Core
Manufacturing 10 nm 4 nm
64 Bits Yes Yes

Graphics

GPU ARM Mali-G72 MP3 Samsung Xclipse 530

RAM

RAM 4 GB 8 GB
Type LPDDR4X RAM LPDDR4X RAM

Antutu

Score
179.753
Antutu v8
Overall performance better than 56% of devices
713.393
Antutu v10
Overall performance better than 83% of devices

Storage

Capacity 128 GB 128 GB
Type -- --
SD Slot Yes ,
Independent SD slot
Yes ,
Slot for SD or second SIM card

Security

Fingerprint Yes, in screen Yes, in screen

Sensors

Sensors
  • Fingerprint
  • Proximity
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Fingerprint
  • Light sensor
  • Accelerometer
  • Compass
  • Gyroscope
  • Barometer
  • Geomagnetic
  • Ultrasonic proximity virtual

Audio

Audio
-
  • Dolby Atmos
  • Hi-Res Audio
  • Stereo Speakers

Others

Notifications LED -- --
Cooling system No No
Gaming buttons No No

User reviews

Does it have good sound?
7.3
9.8
Does it work smoothly in everyday use?
6.8
9.7
What's your experience been with demanding games?
5.7
9.2
Number of reviews
110 reviews
6 reviews

Camera

Main

No. of cameras Quad rear camera Triple rear camera
1
Camera type

Standard

Standard
Resolution 48 Mpx 50 Mpx
Sensor Sony IMX582 Exmor RS Unknown
Type CMOS CMOS
Aperture ƒ/ 2.0 ƒ/ 1.8
ISO -- --
Pixel size 0.80 µm 1.00 µm
Pixel Binning 1-4 (2x2) --
Sensor size 1/2" --
2
Camera type

Wide Angle lens

Wide Angle lens
Resolution
12 Mpx
12 Mpx
Sensor
Unknown
Unknown
Type
--
--
Aperture
ƒ/ 2.2
ƒ/ 2.2
Pixel size
1.12 µm
1.12 µm
Pixel Binning
--
--
Sensor size
--
--
3
Camera type

Portrait mode (depth)

Macro lens
Resolution
5 Mpx
5 Mpx
Sensor
Unknown
Unknown
Type
--
CMOS
Aperture
ƒ/ 2.2
ƒ/ 2.4
Pixel size
1.12 µm
1.12 µm
Pixel Binning
--
--
Sensor size
--
--
4
Camera type

Macro lens
--
Resolution
5 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ 2.4
Pixel size
1.12 µm
Pixel Binning
--
Sensor size
--

Features

Flash LED LED
Optical Stabilisation No Yes
Slow Motion Video Yes,
120 fps
Yes,
240 fps
Others
  • 4K Video
  • Digital zoom
  • Quadruple camera
  • Digital image stabilization
  • Autofocus
  • Touch focus
  • Continuous shooting
  • Geotagging
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • 2x2 OCL
  • Pro Video Mode
  • 4K Video
  • Digital zoom
  • Triple camera
  • Digital image stabilization
  • Optical Stabilization (OIS)
  • Ultra stable video
  • AutoFraming
  • Autofocus
  • Touch focus
  • All Pixel Omni- Directional PDAF
  • NPU AI Engine
  • Continuous shooting
  • Geotagging
  • Panorama
  • HDR
  • Face detection
  • White balance settings
  • ISO settings
  • Exposure compensation
  • Scene mode
  • Self-timer
  • Night Mode
  • RAW 12 bits
  • DOL HDR

Selfie

SELF
Camera type

Dedicated

Dedicated
Resolution 32 Mpx 32 Mpx
Sensor Sony IMX616 Unknown
Type CMOS CMOS
Aperture ƒ/ 2.2 ƒ/ 2.2
Pixel size 0.80 µm 0.80 µm
Pixel Binning 1-4 (2x2) --
Sensor size 1/2.8" --
Others
--
--

DxOMark Score

DxOMark Score --
108
Mobile
110
Photo
117
Video

User reviews

Quality of daytime photos
8.3
9.7
Quality of nighttime photos
6.5
8.8
Quality of selfies
7.9
9.3
Does it have a powerful flash?
8.0
8.3
Number of reviews
110 reviews
6 reviews

Connectivity

Network compatibility

5G --
  • n1 (2100)
  • n3 (1800)
  • n5 (850)
  • n7 (2600)
  • n8 (900)
  • n20 (800)
  • n28b (700)
  • n28a (700)
  • n38 (2600)
  • n40 (2300)
  • n41 (2500)
  • n66 (1700)
  • n77 (3700)
  • n78 (3500)
4G LTE
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B13 (700)
  • B17 (700)
  • B20 (800)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B12 (700)
  • B17 (700)
  • B20 (800)
  • B25 (1900+)
  • B26 (850)
  • B28b (700)
  • B28a (700)
  • B32 (1500)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B66 (1700/2100)
3G
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card

Dual SIM Dual Sim Dual Standby Dual Sim Dual Standby
Type
  • Nano SIM
  • Nano SIM
  • Nano SIM
  • Nano SIM / eSIM

Wi-Fi

Wi-Fi
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11ac
  • WiFi 6 (802.11ax)
Others
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Dual band
  • Wi-Fi Hotspot
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi MiMO

Bluetooth

Version Bluetooth 5.0 Bluetooth 5.3
Others
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HOGP
  • ANT+
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • PAN (Personal Area Networking Profile)
  • OPP (Object Push Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • HOGP
  • APT-x
  • LDAC
  • Apt-x Adaptive

Navigation

Navigation
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • Galileo
  • GPS
  • A-GPS
  • GLONASS
  • Beidou
  • QZSS
  • Galileo

USB

USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • USB Host 2.0

SAR

European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

-- --
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

-- --

Others

Others
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • ANT+
  • NFC
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • MST
  • eSIM

User reviews

Does it have good coverage for calls?
8.2
10
Quality of the GPS
8.4
9.5
And the WiFi?
8.3
10
Number of reviews
110 reviews
6 reviews

Battery

Battery

Capacity
4000 mAh
5000 mAh
Type Li-Polymer Li-Ion
Fast charge Yes,
15.0W
Yes,
25.0W
Others
  • Non-removable
  • Non-removable

User reviews

How long does the battery last?
  • 5%
    Less than half day
  • 30%
    Less than a day
  • 40%
    One day
  • 22%
    More than one day
  • 3%
    Two days or more
  • 0%
    Less than half day
  • 0%
    Less than a day
  • 17%
    One day
  • 83%
    More than one day
  • 0%
    Two days or more
Number of reviews
110 reviews
6 reviews

Software

Software

Operating System
  • Android 13
    Android 13 Tiramisu, 1 year ago
  • Android 14
    Android 14 Upside-down cake, 8 months ago
Google Services (official) Yes Yes

User reviews

Did it come with preinstalled applications?
  • 4%
    It comes with a clean operating system
  • 71%
    It has preinstalled apps but they don't bother me
  • 25%
    It has preinstalled apps that I can't uninstall
  • 0%
    It comes with a clean operating system
  • 100%
    It has preinstalled apps but they don't bother me
  • 0%
    It has preinstalled apps that I can't uninstall
Do you regularly receive updates?
  • 2%
    Never
  • 6%
    Once a year
  • 49%
    Every six months
  • 42%
    Every two months or less
  • 0%
    Never
  • 0%
    Once a year
  • 50%
    Every six months
  • 50%
    Every two months or less
Number of reviews
110 reviews
6 reviews