Comparison of Samsung Galaxy M31s and Xiaomi Redmi Note 9 Pro Max

Comparison of Samsung Galaxy M31s and Xiaomi Redmi Note 9 Pro Max [S]ave

Attribute	Xiaomi Redmi Note 9 Pro Max ×	Samsung Galaxy M31s ×
General
Brand	Xiaomi	Samsung
Launch
Announced	2020-03-12	2020-07-30
Body
Width (mm)	8.8	9.3
Length (mm)	165.5	159.3
Height (mm)	76.7	74.4
Weight (g)	209	203
SIM	Dual SIM (Nano-SIM, dual stand-by)	Single SIM (Nano-SIM)
Front	Glass	-
Back	Glass	-
Frame	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 / 1900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 3, 5, 8, 40, 41	1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
Speed	HSPA 42.2/5.76 Mbps LTE-A	HSPA 42.2/5.76 Mbps LTE-A
Platform
OS	Android 10	Android 10
Chipset	Qualcomm SM7125 Snapdragon 720G (8 nm)	Exynos 9611 (10nm)
CPU	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)	Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU	Adreno 618	Mali-G72 MP3
Memory
Card slot	microSDXC (dedicated slot)	microSDXC (dedicated slot)
Internal	128GB 6GB RAM 128GB 8GB RAM 64GB 6GB RAM	128GB 6GB RAM 128GB 8GB RAM
Display
Size (in)	6.67	6.5
Resolution (px)	1080 x 2400	1080 x 2400
Protection	Corning Gorilla Glass 5	Corning Gorilla Glass 3
Display Type	IPS LCD	Super AMOLED
Battery
Type	Li-Po	Li-Po
Charging	Fast charging 33W, 50% in 30 min (advertised)	Fast charging 25W, Reverse charging
Capcity (mAh)	5020	6000
Main Camera
Main Camera Type	Quad	Triple
Main Camera Properties	2 MP, f/2.4, (depth) 5 MP, f/2.4, (macro) 64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm	12 MP, f/2.2, 123˚ (ultrawide) 5 MP, f/2.4, (depth) 5 MP, f/2.4, (macro) 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF
Main Camera Video	4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS	4K@30fps, 1080p@30fps, gyro-EIS
Main Camera Features	LED flash, HDR, panorama	LED flash, panorama, HDR
Selfie Camera
Selfie Camera Type	Single	Single
Selfie Camera Properties	32 MP, (wide), 1/2.8", 0.8µm	32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Selfie Camera Video	1080p@30fps	4K@30fps, 1080p@30fps
Selfie Camera Features	HDR, panorama	HDR
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, recording	FM radio, RDS, recording
USB	USB Type-C 2.0	USB Type-C 2.0, USB On-The-Go
Sound
Loudspeaker	+	+
3.5mm jack	+	+
Features
Sensors	Fingerprint (side-mounted) accelerometer compass gyro proximity	Fingerprint (side-mounted) accelerometer compass gyro proximity
Misc
Colors	Aurora Blue Glacier White Interstellar Black	Mirage Black Mirage Blue
Models	M2003J6B1I	SM-M317F SM-M317F/DS
SAR Head (W/kg)	0.88	1.38
SAR Body (W/kg)	0.47	-
Infrared port	Yes	-