Phone Comparison - Samsung Galaxy M31 vs Samsung Galaxy A31 vs Xiaomi Redmi Note 9 Pro (Global Version)

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced 2020, February 25 2020, March 24 April 2020
Status Available. Released 2020, March 5 Coming Soon - April 2020 Coming Soon - May 2020
Price Rs. 14,999 ($0.00) [Similarly Priced] - -
Colors Ocean Blue, Space Black, Red Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Tropical Green, Glacier White, Interstellar Gray
Form Factor Candybar Candybar Candybar
Dimension 159.2 x 75.1 x 8.9 mm
(6.27 x 2.96 x 0.35 in)
159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
165.8 x 76.7 x 8.8 mm
(6.53 x 3.02 x 0.35 in)
Weight 191 g (6.74 oz) 185 g (6.53 oz) 209 g (7.37 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), 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 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE (unspecified) 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 10
User Interface One UI 2.0 One UI 2.0 MIUI 11
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm)
GPU Mali-G72 MP3 Mali-G52 MC2 Adreno 618
RAM 6 GB 6 GB 6 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSD, up to 512 GB microSDXC microSDXC (dedicated slot)

display Display

Type Full HD+ Infinity-U Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5
Colors 16M colors 16M colors 16M colors
Size 6.4 inches 6.4 inches 6.67 inches
Resolution 1080 x 2340 pixels (403 ppi) 1080 x 2400 pixels (411 ppi) 1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio 83.97% 85.01% 84.28%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Yes - -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 64 MP + 8 MP + 5 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP 64 MP + 8 MP + 5 MP + 2 MP
Flash LED 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/2.0, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
panorama, HDR
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 119° (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro), 1/5.0", 1.12µm, AF
2 MP, f/2.4, (depth)
HDR, panorama
Video 2160p@30fps, 1080p@30fps, gyro-EIS 1080p@30fps 2160p@30fps, 1080p@30/60/120fps, 720p@960fps
Front Camera 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.0, A2DP, LE
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 Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage microSD, up to 512 GB microSDXC microSDXC (dedicated slot)
USB OTG Yes Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 30W
Capacity 6000 mAh 5000 mAh 5020 mAh
Stand by - - -
Talk Time - - -