Samsung Galaxy A31 vs Samsung Galaxy A55 5G 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.

5.8
Samsung Galaxy A55 5G
Samsung Galaxy A31 Samsung Galaxy A55 5G
Released · Apr 27, 2020
Released · Mar 20, 2024
6.4-inch · 2400x1080px
6.6-inch · 2400x1080px
Quad camera
Triple camera
4GB · 64GB
8GB · 128GB
5000 mAh
5000 mAh
Check prices Check prices

Design

Dimensions
6.27 x 2.88 x 0.34 inches
159.3 x 73.1 x 8.6 mm
6.34 x 3.05 x 0.00 inches
161.1 x 77.4 8.2 mm
Weight
6.53 oz (185.0 g) 7.51 oz (213.0 g)
Materials
Back: Plastic Back: Glass (Corning Gorilla Glass)
Frame: Plastic
Resistance
Water, Dust; IP67
Biometrics
Optical in-screen fingerprint Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white Iceblue, Lilac, Navy, Lemon

Display

Size
6.4-inch 6.6-inch
Resolution
2400x1080px, 20:9 ratio, 411 PPI 2400x1080px, 20:9 ratio, 399 PPI
Technology
Super AMOLED Super AMOLED
Refresh rate
60Hz 120Hz
Screen-to-body
84.88 % 84.30 %
Peak brightness
550 cd/m2 (nit)
Features
Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip
MediaTek Helio P65 MT6768 (12 nm) Exynos 1480 (5 nm)
Processor
Octa-core
2x 2.0GHz Cortex-A75 + 6x 2.0GHz Cortex-A55
Octa-core
4x 2.7GHz Cortex-A78 + 4x 2.0GHz Cortex-A55
GPU
Mali-G52 MC2 Yes
RAM
4GB (LPDDR4) 8GB
Internal storage
64GB (eMMC 5.1), available to use: 46.2 GB 128GB
Storage expansion
microSDXC up to 512 GB microSDXC
OS
Android (10), Samsung One UI Android (14)

Battery

Capacity
5000 mAh 5000 mAh
Type
Li - Polymer Li - Ion
Charging
Fast charging Fast charging
Charge speed
Wired: 15.0W 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

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
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
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
5 MP (Macro)
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1920x1080 (Full HD) (30 fps) 3840x2160 (4K UHD) (30 fps)
Front
20 MP, Video capture: 1920x1080 (Full HD) 32 MP, Video capture: 3840x2160 (4K UHD) (30 fps)
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
132
Overall
140
Photo
123
Video

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 Direct, Hotspot
USB
Type-C, USB 2.0 Type-C
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass Accelerometer, Gyroscope, Compass
Other
NFC NFC

Multimedia

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

Cellular

5G
Bands n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78, 5G Ready
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD) Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 32(1500 L-band), 66(AWS-3)
4G (TDD)
Bands 38(2600), 40(2300), 41(2600+) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900) Bands 1(2100), 2(1900), 3(1800), 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
Dual SIM
Yes Yes
SIM type
Nano SIM Nano SIM, eSIM

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020
FCC ID value: A3LSMA315GL
Measured SAR
Head: 0.53 W/kg
Body: 0.56 W/kg
Simultaneous Transmission: 1.42 W/kg
Wireless Router: 0.65 W/kg
Phablet: 0.89 W/kg

Buyers information

MSRP
€ 300 $ 489

Availability

Officially announced
Mar 24, 2020 Mar 11, 2024

Alternative variants

with 128GB storage
RAM 6GB
Internal storage 128GB
With 256GB internal storage
Internal storage 256GB
With 12GB RAM and 256GB internal storage
RAM 12GB
Internal storage 256GB
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