Phone Comparison - Samsung Galaxy A31 vs Xiaomi Redmi Note 9 vs Samsung Galaxy A12

general General Info

Manufacturer Samsung Xiaomi Samsung
Announced 2020, March 24 2020, April 30 2020, November 24
Status Coming Soon - April 2020 Coming soon. Exp. release 2020, May Coming Soon - January 2021
Price - - Rs. 12,999 ($0.00) [Similarly Priced]
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Forest Green, Midnight Grey, Polar White Black, White, Blue, Red
Form Factor Candybar Candybar Candybar
Dimension 159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
162.3 x 77.2 x 8.9 mm
(6.39 x 3.04 x 0.35 in)
164 x 75.8 x 8.9 mm
(6.46 x 2.98 x 0.35 in)
Weight 185 g (6.53 oz) 199 g (7.02 oz) 205 g (7.23 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE (unspecified) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 2628, 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) LTE (unspecified)
Messaging
Build Features - Fingerprint Sensor (under display, optical)
- Fingerprint Sensor
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 10
User Interface One UI 2.0 MIUI 11 -
Processor Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) Octa-core (2x Cortex-A75 @ 2 GHz, 6x Cortex-A55 @ 2 GHz), MediaTek Helio G85 (12nm) Octa-core (2.3 GHz, 1.8 GHz)
GPU Mali-G52 MC2 Mali-G52 MC2 -
RAM 6 GB 4 GB 4 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSDXC microSDXC (dedicated slot) microSDXC

display Display

Type Super AMOLED Capacitive Touchscreen FHD+ IPS LCD Capacitive Touchscreen HD+ TFT display
Colors 16M colors 16M colors 16M Colour
Size 6.4 inches 6.53 inches 6.5 inches
Resolution 1080 x 2400 pixels (411 ppi) 1080 x 2340 pixels (395 ppi) 720 x 1560 pixels (264 ppi)
Screen-to-Body Ratio 85.01% 83.40% 83.64%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - FM radio, recording Unspecified
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 48 MP + 8 MP + 5 MP + 5 MP 48 MP + 8 MP + 2 MP + 2 MP 48 MP + 5 MP + 2 MP + 2 MP
Flash LED flash LED flash LED flash
Features 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
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro), AF
2 MP, f/2.4, (depth)
HDR, Panorama
48 MP, f/2.0, (wide), AF
5 MP, f/2.2, 115˚ (ultrawide)
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
panorama, HDR
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
8 MP, f/2.2
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE Yes
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 Yes
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector USB Type-C 2.0
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS 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 (UFS 2.1) 128 GB, 4 GB RAM or 64 GB, 3 GB RAM 128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 64 GB, 3 GB RAM or 32 GB, 3 GB RAM
Expandable Storage microSDXC microSDXC (dedicated slot) microSDXC
USB OTG Supported Supported Not Supported

Apps Sensors

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

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 5000 mAh 5020mAh 5000 mAh
Stand by - - -
Talk Time - - -