Comparison of Samsung Galaxy M31 and Xiaomi Redmi 8A

Comparison of Samsung Galaxy M31 and Xiaomi Redmi 8A [S]ave

Attribute	Samsung Galaxy M31 ×	Xiaomi Redmi 8A ×
General
Brand	Samsung	Xiaomi
Launch
Announced	2020-02-25	2019-09-25
Body
Width (mm)	8.9	9.4
Length (mm)	159.2	156.5
Height (mm)	75.1	75.4
Weight (g)	191	188
SIM	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Front	Glass	Glass
Back	Plastic	Plastic
Frame	Plastic	Plastic
Network
Technology	GSM HSPA LTE	GSM HSPA LTE
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66	1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 3, 5, 8, 40, 41 - India
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/5.76 Mbps LTE-A
Platform
OS	Android 10	Android 9.0 (Pie)
Chipset	Exynos 9611 (10nm)	Qualcomm SDM439 Snapdragon 439 (12 nm)
CPU	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)	Octa-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)
GPU	Mali-G72 MP3	Adreno 505
Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	128GB 6GB RAM 128GB 8GB RAM 64GB 6GB RAM	32GB 2GB RAM 32GB 3GB RAM 64GB 4GB RAM
Display
Size (in)	6.4	6.22
Resolution (px)	1080 x 2340	720 x 1520
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass 5
Display Type	Super AMOLED	IPS LCD
Battery
Type	Li-Po	Li-Po
Charging	Fast charging 15W	Fast charging 18W
Capcity (mAh)	6000	5000
Main Camera
Main Camera Type	Triple	Single
Main Camera Properties	5 MP, f/2.2, (depth) 5 MP, f/2.4, (macro) 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm	12 MP, f/1.8, (wide), 1/2.55", 1.4µm, dual pixel PDAF
Main Camera Video	4K@30fps, 1080p@30fps, gyro-EIS	1080p@30fps
Main Camera Features	LED flash, panorama, HDR	LED flash, HDR, panorama
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm	8 MP, f/2.0, 1/4", 1.12µm
Selfie Camera Video	4K@30fps, 1080p@30fps	1080p@30fps
Selfie Camera Features	HDR	HDR
Comms
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot	Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth	5.0, A2DP, LE	4.2, A2DP, LE
GPS	+	+
NFC	+	-
Radio	FM radio, RDS, recording	FM Radio, built-in antenna
USB	USB Type-C 2.0	USB Type-C 2.0, USB On-The-Go
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (rear-mounted) accelerometer compass gyro proximity	Accelerometer compass proximity
Misc
Colors	Ocean Blue Red Space Black	Midnight Black Ocean Blue Sunset Red
Models	SM-M315F SM-M315F/DS SM-M315F/DSN	M1908C3KG M1908C3KH MZB8458IN
SAR EU Head (W/kg)	0.48	0.23
SAR EU Body (W/kg)	1.13	1.48
SAR Head (W/kg)	0.52	0.48
SAR Body (W/kg)	0.69	1.07