Comparison of Samsung Galaxy A31 and Samsung Galaxy A8 Star (A9 Star)

Comparison of Samsung Galaxy A31 and Samsung Galaxy A8 Star (A9 Star) [S]ave

Attribute	Samsung Galaxy A31 ×	Samsung Galaxy A8 Star (A9 Star) ×
General
Brand	Samsung	Samsung
Launch
Announced	2020-03-24	2018-06-01
Body
Width (mm)	8.6	7.6
Length (mm)	159.3	162.4
Height (mm)	73.1	77
Weight (g)	185	191
SIM	Single SIM (Nano-SIM)	Hybrid Dual SIM (Nano-SIM, dual stand-by)
Front	-	Glass
Back	-	Glass
Frame	-	Aluminum
Network
Technology	GSM HSPA LTE	CDMA GSM HSPA LTE
2G bands	GSM 850 / 900 / 1800 / 1900	CDMA 800 & TD GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - SM-A315F	HSDPA 850 / 900 / 1900 / 2100
4G bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F	1, 3, 4, 5, 7, 8, 12, 17, 34, 38, 39, 40, 41 - Global 1, 3, 8, 34, 38, 39, 40, 41
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat9 450/50 Mbps
Platform
OS	Android 10	Android 8.0 (Oreo)
Chipset	Mediatek MT6768 Helio P65 (12nm)	Qualcomm SDM660 Snapdragon 660 (14 nm)
CPU	Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)	Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU	Mali-G52 MC2	Adreno 512
Memory
Card slot	microSDXC (dedicated slot)	microSDXC (uses shared SIM slot)
Internal	128GB 4GB RAM 128GB 6GB RAM 128GB 8GB RAM 64GB 4GB RAM	64GB 4GB RAM 64GB 6GB RAM
Display
Size (in)	6.4	6.3
Resolution (px)	1080 x 2400	1080 x 2220
Protection	-	Corning Gorilla Glass 5
Display Type	Super AMOLED	Super AMOLED
Battery
Type	Li-Po	Li-Ion
Charging	Fast charging 15W	Fast charging 15W
Capcity (mAh)	5000	3700
Main Camera
Main Camera Type	Quad	Dual
Main Camera Properties	48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 5 MP, f/2.4, (depth) 5 MP, f/2.4, (macro) 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm	16 MP, f/1.7, PDAF 24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF
Main Camera Video	1080p@30fps	4K@30fps, 1080p@30fps
Main Camera Features	LED flash, panorama, HDR	LED flash, panorama, HDR
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	20 MP, f/2.2, (wide)	24 MP, f/2.0, 26mm (wide), 1/2.8", 0.9µm
Selfie Camera Video	1080p@30fps	1080p@30fps
Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE
GPS	+	+
NFC	+	+
Radio	FM radio, RDS, recording	FM radio
USB	USB Type-C 2.0, USB On-The-Go	USB Type-C 2.0
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (under display accelerometer compass gyro optical) proximity	Fingerprint (rear-mounted) accelerometer compass gyro proximity
Misc
Colors	Prism Crush Black Prism Crush Blue Prism Crush Red Prism Crush White	Black White
Models	SM-A315F SM-A315F/DS SM-A315G SM-A315G/DS SM-A315N	SM-G8850 SM-G885F SM-G885Y
SAR EU Head (W/kg)	0.49	0.43
SAR EU Body (W/kg)	1.68	1.79