Samsung Galaxy A20 vs Samsung Galaxy A31 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.

Samsung Galaxy A20 Samsung Galaxy A31
Released · Apr 10, 2019
Released · Apr 27, 2020
6.4-inch · 1560x720px
6.4-inch · 2400x1080px
Dual camera
Quad camera
3GB · 32GB
4GB · 64GB
4000 mAh
5000 mAh
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Availability

Officially announced
Mar 24, 2020
Prices (MSRP)
$250 €300

Design

Dimensions
6.24 x 2.94 x 0.31 inches
158.4 x 74.7 x 7.8 mm
6.27 x 2.88 x 0.34 inches
159.3 x 73.1 x 8.6 mm
Weight
5.96 oz / 169.0 g 6.53 oz / 185.0 g
Materials
Back: Plastic Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch) Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Black,Deep blue, Red Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
6.4-inch, 84.95% screen-to-body 6.4-inch, 84.88% screen-to-body
Type
Super AMOLED, 60Hz Super AMOLED, 60Hz
Resolution
1560x720px, 19.5:9 ratio, 268 PPI 2400x1080px, 20:9 ratio, 411 PPI

Hardware

System chip
Samsung Exynos 7884 (14 nm) MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53
Octa-core
2x2.0GHz Cortex-A75
6x2.0G​Hz Cortex-A55
GPU
Mali-G71 MP2 Mali-G52 MC2
Memory
3GB (LPDDR4)/32GB 4GB (LPDDR4)/64GB (eMMC 5.1)
6GB/128GB
Storage expansion
microSDXC up to 512 GB microSDXC up to 512 GB
OS
Android (11, 10, 9.0 Pie) Android (10)

Battery

Type
4000 mAh 5000 mAh, Li - Polymer
Charging
Samsung Adaptive Fast Charging Fast charging
Charge speed
Wired: 15.0W

Camera

Rear
Dual camera Quad camera
Main camera
13 MP (Autofocus)
Aperture size: F1.9
Focal length: 27 mm
Sensor size: 1/3.1"
Pixel size: 1.12 μm
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Second camera
5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Macro)
Aperture size: F2.4
Fourth camera
5 MP (Depth information)
Aperture size: F2.4
Flash
LED LED
Video recording
1080p (30 fps) 1080p (30 fps)
Front
8 MP 20 MP
Video capture: 1080p (30 fps)

Connectivity & Features

Bluetooth
5.0 5.0
WLAN
Yes
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 2.0
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, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

LTE Bands
2, 3, 4, 5, 7, 13, 20, 28, 66 1, 2, 3, 4, 5, 7, 8, 20
TDD Bands
38, 40, 41
3G Bands
1, 2, 5, 8 1, 2, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Regulatory Approval

FCC approval
Date approved: Jun 19, 2019
FCC ID value: A3LSMA205U
Date approved: Mar 08, 2020
FCC ID value: A3LSMA315GL
Measured SAR
Head: 1.09 W/kg
Body: 0.60 W/kg
Simultaneous Transmission: 1.37 W/kg
Wireless Router: 1.00 W/kg
Phablet: 3.94 W/kg
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

Alternative variants

for T-Mobile and Metro
LTE Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71
TDD Bands 38, 39, 40, 41
3G Bands 5, 8, 4, 2, 1
with 128GB storage
Memory 6GB/128GB
for Verizon, Sprint, Virgin Mobile and Boost Mobile
LTE Bands 2, 4, 5, 12, 13, 25, 26, 71
TDD Bands 41
3G Bands 5, 8, 4, 2, 1
for US Cellular
LTE Bands 2, 4, 5, 12, 13, 25, 66, 71
3G Bands 5, 8, 4, 2, 1
FCC OKs Cingular\'s purchase of AT&T Wireless