Phone Comparison - Samsung Galaxy A31 vs Xiaomi Redmi 9 Power vs vivo V20 2021

Price Comparison (India) - -

general General Info

Manufacturer Samsung Xiaomi vivo
Announced 2020, March 24 2020, December 17 2020, December 24
Status Coming Soon - April 2020 Coming soon. Exp. release 2020, December 22 Available. Released 2020, December 24
Price - Rs. 10,999 ($0.00) [Similarly Priced] Rs. 24,990 ($0.00) [Similarly Priced]
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Gray, Green, Blue, Orange Sunset Melody, Midnight Jazz
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 77.3 x 9.6 mm
(6.39 x 3.04 x 0.38 in)
161.3 x 74.2 x 7.4 mm
(6.35 x 2.92 x 0.29 in)
Weight 185 g (6.53 oz) 198 g (6.98 oz) 171 g (6.03 oz)
SIM Type Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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
CDMA 800
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE (unspecified) 1, 3, 5, 8, 34, 38, 39, 40, 41 LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging
Build Features - Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (side-mounted)
- Fingerprint Sensor

hardware Hardware and OS

OS Android 10.0 Android 10 Android 101
User Interface One UI 2.0 MIUI 12 Funtouch 11
Processor Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm)
GPU Mali-G52 MC2 Adreno 610 Adreno 618
RAM 6 GB 4 GB 8 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSDXC microSDXC (dedicated slot) Unspecified

display Display

Type Super AMOLED Capacitive Touchscreen IPS LCD Screen
Corning Gorilla Glass 3
400 nits (typ)
AMOLED capacitive touchscreen
Colors 16M colors 16M Colour 16M Colour
Size 6.4 inches 6.53 inches 6.44 inches
Resolution 1080 x 2400 pixels (411 ppi) 1080 x 2340 pixels (395 ppi) 1080 x 2400 pixels (409 ppi)
Screen-to-Body Ratio 85.01% 83.29% 83.53%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio - FM radio 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 + 8 MP + 2 MP 64 MP + 8 MP + 2 MP
Flash LED flash LED Flash Dual-LED Dual-tone 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, 120˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
HDR, Panorama
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (depth)
HDR, Panorama
Video 1080p@30fps 1080p@30fps 4K@30fps, 1080p@30/60fps, gyro-EIS
Front Camera 20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm
1080p@30fps [Similar]
44 MP, f/2.0, (wide)
HDR
4K@30fps, 1080p@30fps, gyro-EIS [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-A, 5G
Bluetooth 5.0, A2DP, LE 4.2, A2DP 5.1, 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, USB On-The-Go USB Type-C 2.0, USB On-The-Go 2.0, Type-C 1.0 reversible connector, USB On-The-Go
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 (UFS 2.2) or 64 GB, 4 GB RAM (UFS 2.1) 128 GB, 8 GB RAM UFS 2.1
Expandable Storage microSDXC microSDXC (dedicated slot) Unspecified
USB OTG Supported 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 not present gyroscope sensor present
NFC NFC not supported NFC not 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
Reverse charging 2.5W
Non-removable Li-Po Battery
Fast battery charging 33W
Capacity 5000 mAh 6000 mAh 4000 mAh
Stand by - - -
Talk Time - - -