Vivo V15 Pro vs Oppo A3s vs Redmi 6 comparison

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ratings
Overall NDTV RatingRead Review-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.39-inch6.20-inch5.45-inch
Processorocta-core1.8GHz octa-core2GHz octa-core
Front Camera32-megapixel 8-megapixel 5-megapixel
Resolution1080x2340 pixels720x1520 pixels720x1440 pixels
RAM6GB2GB3GB
OSAndroid Android 9.0 PieAndroid 8.1 OreoAndroid 8.1 Oreo
Storage128GB16GB32GB
Rear Camera48-megapixel + 8-megapixel + 5-megapixel 13-megapixel + 2-megapixel 12-megapixel + 5-megapixel
Battery Capacity3700mAh4230mAh3000mAh
general
Release dateFebruary 2019-June 2018
Launched in IndiaYes-Yes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.25 x 74.71 x 8.21156.20 x 75.60 x 8.20147.50 x 71.50 x 8.30
Weight (g)185.00168.00146.00
Battery capacity (mAh)370042303000
Fast chargingProprietary--
ColoursBlue Topaz, Ruby RedRed, Dark PurpleLake Blue, Gold, Rose Gold, Black
Body type--Plastic
Removable battery--No
Wireless charging--No
display
Screen size (inches)6.396.205.45
TouchscreenYesYesYes
Resolution1080x2340 pixels720x1520 pixels720x1440 pixels
Aspect ratio19.5:919:918:9
Pixels per inch (PPI)--295
hardware
Processorocta-core1.8GHz octa-core2GHz octa-core (8x2GHz)
Processor makeQualcomm Snapdragon 675Snapdragon 450MediaTek Helio P22
RAM6GB2GB3GB
Internal storage128GB16GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
Dedicated microSD slotYes-Yes
camera
Rear camera48-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel
Front camera32-megapixel (f/2.0)8-megapixel (f/2.2)5-megapixel (f/2.2, 1.12-micron)
Rear autofocus-YesPhase detection autofocus
Rear flash-LEDLED
Front flash--No
software
Operating systemAndroid Android 9.0 PieAndroid 8.1 OreoAndroid 8.1 Oreo
SkinFuntouch OS 9ColorOS 5.1MIUI 9.6
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n-802.11 b/g/n
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
Number of SIMs2-2
Active 4G on both SIM cardsYes-Yes
NFC--No
Infrared--No
USB OTG--Yes
USB Type-C--No
FM--Yes
sim 1
SIM TypeNano-SIM-Nano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sim 2
SIM TypeNano-SIM-Nano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sensors
Face unlockYes-Yes
Fingerprint sensorYes-Yes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYes-Yes
GyroscopeYes-No
3D face recognition--No