Phone Comparison - Samsung Galaxy A31 vs Samsung Galaxy A12 vs Xiaomi Redmi Note 9T 5G

general General Info

Manufacturer Samsung Samsung Xiaomi
Announced 2020, March 24 2020, November 24 Expected Announcement - January 2020
Status Coming Soon - April 2020 Coming Soon - January 2021 Rumored - January 2021
Price - Rs. 12,999 ($0.00) [Similarly Priced] -
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Black, White, Blue, Red Gray, Green, Violet
Form Factor Candybar Candybar Candybar
Dimension 159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
164 x 75.8 x 8.9 mm
(6.46 x 2.98 x 0.35 in)
162 x 77.3 x 9.2 mm
(6.38 x 3.04 x 0.36 in)
Weight 185 g (6.53 oz) 205 g (7.23 oz) 199 g (7.02 oz)
SIM Type Single SIM (Nano-SIM), 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 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE (unspecified) LTE (unspecified) LTE
5G Network - - SA/NSA/Sub6
Messaging
Build Features - Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (side-mounted)
- Fingerprint Sensor
Water-repellent coating

hardware Hardware and OS

OS Android 10.0 Android 10 Android 10
User Interface One UI 2.0 - MIUI 12
Processor Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) Octa-core (2.3 GHz, 1.8 GHz) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), MediaTek Dimensity 800U 5G (7 nm)
GPU Mali-G52 MC2 - Mali-G57 MC3
RAM 6 GB 4 GB 4 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSDXC microSDXC microSDXC (dedicated slot)

display Display

Type Super AMOLED Capacitive Touchscreen HD+ TFT display IPS LCD Screen
90Hz Refresh Rate
Corning Gorilla Glass 5
450 nits (typ)
Colors 16M colors 16M Colour 16M Colour
Size 6.4 inches 6.5 inches 6.53 inches
Resolution 1080 x 2400 pixels (411 ppi) 720 x 1560 pixels (264 ppi) 1080 x 2340 pixels (395 ppi)
Screen-to-Body Ratio 85.01% 83.64% 83.45%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 5 MP + 5 MP 48 MP + 5 MP + 2 MP + 2 MP 48 MP + 8 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/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
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
HDR, Panorama
Video 1080p@30fps 1080p@30fps 4K@30fps, 1080p@30/60fps
Front Camera 20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]
8 MP, f/2.2
1080p@30fps [Similar]
13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm, , 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 Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE Yes 5.1, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Yes 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 On-The-Go USB Type-C 2.0 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, QZSS
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, 4 GB RAM or 64 GB, 3 GB RAM or 32 GB, 3 GB RAM 128 GB, 4 GB RAM or 64 GB, 4 GB RAM
Expandable Storage microSDXC microSDXC microSDXC (dedicated slot)
USB OTG Supported Not Supported Not Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor not present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor not present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor not present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not 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 18W
Capacity 5000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -