Samsung Galaxy M31 vs Xiaomi Redmi Note 9 4G

Price Comparison (India)

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Manufacturer
Samsung	Xiaomi
Announced
2020, February 25	November 2020
Status
Available. Released 2020, March 5	Coming Soon - December 2020
Price
Rs. 14,999 ($0.00) [Similarly Priced]	-
Colors
Ocean Blue, Space Black, Red	Gray, Green, Blue, Orange
Form Factor
Candybar	Candybar
Dimension
159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)	162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in)
Weight
191 g (6.74 oz)	198 g (6.98 oz)
SIM Type
Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 2100
4G Network
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)	1, 3, 5, 8, 34, 38, 39, 40, 41
Messaging

Build Features
- Fingerprint Sensor	- Fingerprint Sensor

OS
Android 10.0	Android 10
User Interface
One UI 2.0	MIUI 12
Processor
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) [Similar]	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) [Similar]
GPU
Mali-G72 MP3 [Similar]	Adreno 610 [Similar]
RAM
6 GB [Browse Similar]	8 GB [Browse Similar]
Internal Memory
128 GB	256 GB
External Memory
microSD, up to 512 GB	microSDXC (dedicated slot)

Type
Full HD+ Infinity-U Super AMOLED Capacitive Touchscreen	IPS LCD Screen Corning Gorilla Glass 3 400 nits (typ)
Colors
16M colors	16M Colour
Size
6.4 inches [Similar]	6.53 inches [Similar]
Resolution
1080 x 2340 pixels (403 ppi)	1080 x 2340 pixels (395 ppi)
Screen-to-Body Ratio
83.97%	83.29%
Multi-Touch

Rear Camera
64 MP + 8 MP + 5 MP + 5 MP [Similar]	48 MP + 8 MP + 2 MP [Similar]
Flash
LED Flash	LED Flash
Features
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, 25mm (macro), 1/5.0", 1.12µm 5 MP, f/2.2, (depth) HDR, Panorama	48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) HDR, Panorama
Video
2160p@30fps, 1080p@30fps, gyro-EIS	1080p@30fps
Front Camera
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm HDR 1080p@30fps [Similar]	8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm 1080p@30fps [Similar]

GPRS
Yes	Yes
Edge
Yes	Yes
3G
HSPA, LTE-A	HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth
5.0, A2DP, LE	4.2, A2DP
Wi-Fi
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
USB
2.0, Type-C 1.0 reversible connector	USB Type-C 2.0, USB On-The-Go
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser
Yes	Yes

Internal
128 GB, 6 GB RAM or 64 GB, 4 GB RAM	256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM
Expandable Storage
microSD, up to 512 GB	microSDXC (dedicated slot)
USB OTG
Yes	Supported

Fingerprint

Proximity Sensor

Accelerometer Sensor

Magnetic-field Sensor (Compass)

Gyroscope Sensor

NFC

Type
Non-removable Li-Po Battery Fast battery charging 15W	Non-removable Li-Po Battery Fast battery charging 18W Reverse charging 2.5W
Capacity
6000 mAh	6000 mAh
Stand by
-	-
Talk Time
-	-