Samsung Galaxy A31 vs Samsung Galaxy A12 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 A31	Samsung Galaxy A12
Released · Apr 27, 2020	Released · Dec 21, 2020
6.4-inch · 2400x1080px	6.5-inch · 1600x720px
Quad camera	Quad camera
4GB · 64GB	4GB · 64GB
5000 mAh	5000 mAh
	Check prices

Availability

Officially announced
Mar 24, 2020	Nov 24, 2020
Prices (MSRP)
€300	€179

Design

Dimensions
6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm	6.46 x 2.98 x 0.35 inches 164 x 75.8 x 8.9 mm
Weight
6.53 oz / 185.0 g	7.23 oz / 205.0 g
Materials
Back: Plastic	Back: Plastic Frame: Plastic
Biometrics
Optical in-screen fingerprint	Fingerprint (touch)
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	Black, White, Blue, Red

Display

Size
6.4-inch, 84.88% screen-to-body	6.5-inch, 85.80% screen-to-body
Type
Super AMOLED, 60Hz	LCD
Resolution
2400x1080px, 20:9 ratio, 411 PPI	1600x720px, 20:9 ratio, 270 PPI

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
Untested	4.2 (Poor)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
MediaTek Helio P65 MT6768 (12 nm)	Mediatek Helio P35 MT6765 (12 nm)
Processor
Octa-core 2x2.0GHz Cortex-A75 6x2.0GHz Cortex-A55	Octa-core 4x2.3GHz Cortex-A53 4x1.8GHz Cortex-A53
GPU
Mali-G52 MC2	PowerVR GE8320
Memory
4GB (LPDDR4)/64GB (eMMC 5.1) 6GB/128GB	4GB (LPDDR4)/64GB (eMMC 5.1) 3GB/32GB 6GB/128GB
Storage expansion
microSDXC up to 512 GB	microSDXC up to 1024 GB
OS
Android (10)	Android (10)

Battery

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

Camera

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

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	b,g,n Wi-Fi Direct, Hotspot 802.11 b, g, n
USB
Type-C, USB 2.0	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
NFC	NFC

Multimedia

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

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 20	1, 3, 5, 7, 8, 20, 28
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
1, 2, 5, 8	1, 5, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	No
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL	Date approved: Mar 11, 2021 FCC ID value: A3LSMA125U
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	Head: 1.14 W/kg Body: 1.20 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.34 W/kg

Alternative variants

with 128GB storage


Memory	6GB/128GB

With 32GB storage


Memory	3GB/32GB

With 128GB storage


Memory	6GB/128GB

Links

Full specifications
Samsung Galaxy A31 Specs	Samsung Galaxy A12 Specs