Samsung Galaxy A8 Star vs Samsung Galaxy A31 Specs Comparison

Availability

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

Design

Dimensions
6.39 x 3.03 x 0.30 inches 162.4 x 77 x 7.6 mm	6.27 x 2.88 x 0.34 inches 159.3 x 73.1 x 8.6 mm
Weight
6.74 oz / 191.0 g	6.53 oz / 185.0 g
Materials
Back: Glass Frame: Metal	Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	Optical in-screen fingerprint
Features
Notification light
Keys
Left: Volume control, Other; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White	Prism Crush black, Prism Crush blue, Prism Crush red, Prism Crush white

Display

Size
6.3-inch, 80.77% screen-to-body	6.4-inch, 84.88% screen-to-body
Type
Super AMOLED	Super AMOLED, 60Hz
Resolution
2220x1080px, 18.5:9 ratio, 392 PPI	2400x1080px, 20:9 ratio, 411 PPI

Hardware

System chip
Snapdragon 660 SDM660 (14 nm)	MediaTek Helio P65 MT6768 (12 nm)
Processor
Octa-core 2200 MHz Kryo 260	Octa-core 2x2.0GHz Cortex-A75 6x2.0G​Hz Cortex-A55
GPU
Adreno 512	Mali-G52 MC2
Memory
6GB (LPDDR4)/64GB	4GB (LPDDR4)/64GB (eMMC 5.1) 6GB/128GB
Storage expansion
microSDXC up to 400 GB	microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.0 Oreo)	Android (10)

Battery

Type
3700 mAh, Li - Ion	5000 mAh, Li - Polymer
Charging
Fast charging	Fast charging
Charge speed
	Wired: 15.0W

Camera

Rear
Dual camera	Quad camera
Main camera
16 MP (PDAF) Aperture size: F1.7 Focal length: 26 mm Sensor size: 1/2.8" 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
24 MP (PDAF, CMOS image sensor) Aperture size: F1.7 Focal Length: 26 mm Sensor size: 1/2.8" Pixel size: 0.9 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
4K UHD (30 fps), 1080p (30 fps) Hyperlapse, EIS, Video calling, Video sharing	1080p (30 fps)
Front
24 MP (Wide Angle) Video capture: 1080p	20 MP Video capture: 1080p

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	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, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+, VoIP, Tethering, Computer sync, OTA sync	NFC

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos, Album art cover, Background playback
Screen mirroring
Wireless screen share,MirrorLink	Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28	1, 2, 3, 4, 5, 7, 8, 20
4G (TDD) Bands
38, 40, 41	38, 40, 41
3G Bands
5, 8, 2, 1	1, 2, 5, 8
Data Speed
LTE-A Cat 9 (450/50 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	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
	Date approved: Mar 08, 2020 FCC ID value: A3LSMA315GL
Measured SAR
Head: 0.43 W/kg Body: 1.73 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

with 128GB storage

Memory	6GB/128GB

Discover more

Full Specs Samsung Galaxy A8 Star Specs

Full Specs Samsung Galaxy A31 Specs