Samsung Galaxy M31 vs Xiaomi Redmi Note 9 Pro

Key Specs

Battery
Battery	6000 mAh	5020 mAh
Display
Display	6.4 inches (16.26 cm)	6.67 inches (16.94 cm)
Front Camera
Front Camera	32 MP	16 MP
Processor
Processor	Samsung Exynos 9 Octa 9611	Qualcomm Snapdragon 720G
RAM
RAM	6 GB	4 GB
Rear Camera
Rear Camera	64 MP + 8 MP + 5 MP + 5 MP	48 MP + 8 MP + 5 MP + 2 MP

Battery

Capacity
Capacity	6000 mAh	5020 mAh
Quick Charging
Quick Charging	Yes, Fast, 15W	Yes, Fast, 18W
Removable
Removable	No	No
Standby time
Standby Time	-	Up to 492 Hours(2G)
TalkTime
TalkTime	Up to 48 Hours(4G)	Up to 29 Hours(2G)
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	Yes	Yes

Design

Build Material
Build Material	Back: Plastic	Back: Gorilla Glass
Colours
Colours	Black, Blue	Aurora Blue, Glacier White, Interstellar Black, Champagne Gold
Height
Height	159.2 mm	165.7 mm
Thickness
Thickness	8.9 mm	8.8 mm
Waterproof
Waterproof	-	Yes, Splash proof
Weight
Weight	191 grams	209 grams
Width
Width	75.1 mm	76.6 mm

Display

Aspect Ratio
Aspect Ratio	19.5:9	20:9
Bezel-less display
Bezel-less display	Yes with notch	Yes with punch-hole display
Brightness
Brightness	-	450 nits
Display Type
Display Type	Super AMOLED	IPS LCD
Pixel Density
Pixel Density	403 ppi	395 ppi
Resolution
Resolution	1080x2340 px (FHD+)	1080x2400 px (FHD+)
Screen Protection
Screen Protection	Corning Gorilla Glass v3	Corning Gorilla Glass v5
Screen Size
Screen Size	6.4 inches (16.26 cm)	6.67 inches (16.94 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	83.92 %	84.62 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	No	-
Camera Setup
Camera Setup	Single	Single
Flash
Flash	No	-
Resolution
Resolution	32 MP f/2.0, Primary Camera(26 mm focal length, 2.8" sensor size, 0.8µm pixel size)	16 MP, Primary Camera(1µm pixel size)
Sensor
Sensor	Exmor RS	-
Video Recording
Video Recording	1920x1080 @ 30 fps	1920x1080 @ 30 fps 1280x720 @ 30 fps

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General

Brand
Brand	Samsung	Xiaomi
Custom UI
Custom UI	Samsung One UI	MIUI
Launch Date
Launch Date	March 4, 2020 (Official)	March 17, 2020 (Official)
Operating System
Operating System	Android v10 (Q)	Android v10 (Q)

Main Camera

Autofocus
Autofocus	Yes, Phase Detection autofocus	Yes, Phase Detection autofocus
Camera Features
Camera Features	8 x Digital Zoom Auto Flash Face detection Touch to focus	10 x Digital Zoom Auto Flash Custom Watermark Face detection Touch to focus
Camera Setup
Camera Setup	Quad	Quad
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	9000 x 7000 Pixels	8000 x 6000 Pixels
OIS
OIS	No	-
Resolution
Resolution	64 MP f/1.8, Primary Camera(26 mm focal length, 1.7" sensor size, 0.8µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(12 mm focal length, 4.0" sensor size, 1.12µm pixel size)5 MP f/2.4, Macro Camera(25 mm focal length, 5.0" sensor size, 1.12µm pixel size)5 MP f/2.2, Depth Camera	48 MP f/1.79, Primary Camera(2.25" sensor size, 1.6µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(1.12µm pixel size)5 MP f/2.4, Macro Camera(1.12µm pixel size)2 MP f/2.4, Depth Camera(1.75µm pixel size)
Sensor
Sensor	S5KGW1, ISOCELL Plus	S5KGM2, CMOS image sensor, ISOCELL Plus
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR) Burst mode Macro Mode
Video Recording
Video Recording	3840x2160 @ 30 fps 1920x1080 @ 30 fps 1280x720 @ 240 fps	3840x2160 @ 30 fps 1920x1080 @ 60 fps 1280x720 @ 960 fps
Video Recording Features
Video Recording Features	-	Slo-motion Macro Video Kaleidoscope Short Video Mode

Multimedia

Audio Features
Audio Features	Dolby Atmos	-
Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	-
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.0	Yes, v5.0
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
NFC	No	No
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
SAR Value	Head: 0.383 W/kg	Head: 0.898 W/kg, Body: 0.483 W/kg
SIM 1
SIM 1	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 800(band 20) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	SIM1: Nano, SIM2: Nano	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM, Dual VoLTE	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging	Mass storage device, USB charging
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz	Yes, Wi-Fi 5 (802.11 b/g/n/ac), MIMO
Wi-Fi Calling
Wi-Fi Calling	-	Yes
Wi-Fi Features
Wi-Fi Features	Wi-Fi Direct, Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
Architecture	64 bit	64 bit
CPU
CPU	Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)	Octa core (2.3 GHz, Dual core, Kryo 465 + 1.8 GHz, Hexa Core, Kryo 465)
Chipset
Chipset	Samsung Exynos 9 Octa 9611	Qualcomm Snapdragon 720G
Fabrication
Fabrication	10 nm	8 nm
Graphics
Graphics	Mali-G72 MP3	Adreno 618
RAM type
RAM Type	LPDDR4X	LPDDR4X

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	Rear	Side
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Expandable Memory	Yes, Up to 512 GB	Yes, Up to 512 GB
Internal Memory
Internal Memory	64 GB	64 GB
Storage Type
Storage Type	UFS 2.1	UFS 2.1
USB OTG
USB OTG	Yes	Yes
User Available Storage
User Available Storage	Up to 49 GB	-