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Oppo A7 vs Vivo Y71i vs Vivo Y81 vs Xiaomi Redmi 6A comparison

 Compare Oppo A7
Oppo A7
Compare Vivo Y71i
Vivo Y71i
Compare Vivo Y81
Vivo Y81
Compare Xiaomi Redmi 6A
Xiaomi Redmi 6A
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
Display6.20-inch6.00-inch6.22-inch5.45-inch
Front Camera16-megapixel5-megapixel 5-megapixel 5-megapixel
Rear Camera13-megapixel + 2-megapixel 8-megapixel 13-megapixel 13-megapixel
RAM4GB2GB3GB2GB
Storage64GB16GB32GB16GB
Battery Capacity4230mAh3285mAh3260mAh3000mAh
OSAndroid 8.1Android 8.1 OreoAndroid 8.1Android 8.1 Oreo
Processor-Qualcomm Snapdragon 425MediaTek Helio P22 MediaTek Helio A22
Resolution-720x1440 pixels720x1520 pixels720x1440 pixels
general
BrandOppoVivoVivoXiaomi
ModelA7Y71iY81Redmi 6A
Release dateNovember 1, 2018July 1, 2018June 1, 2018June 1, 2018
Launched in IndiaYesYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Body typePlastic-PlasticPlastic
Dimensions (mm)155.90 x 75.40 x 8.10155.87 x 75.74 x 7.80155.06 x 75.00 x 7.77147.50 x 71.50 x 8.30
Weight (g)168.00150.00146.50145.00
Battery capacity (mAh)4230328532603000
Removable batteryNo--No
ColoursGlaring Gold, Glaze Blue-BlackBlue, Gold, Rose Gold, Black
SAR value1.37---
Wireless charging---No
display
Screen size (inches)6.206.006.225.45
TouchscreenYesYesYesYes
Aspect ratio19.5:918:919:918:9
Resolution-720x1440 pixels720x1520 pixels720x1440 pixels
Pixels per inch (PPI)-269270295
hardware
Processor makeQualcomm Snapdragon 450Qualcomm Snapdragon 425MediaTek Helio P22 (MT6762)MediaTek Helio A22 (MT6761)
RAM4GB2GB3GB2GB
Internal storage64GB16GB32GB16GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256256
Dedicated microSD slotYes--Yes
Processor-1.4GHz quad-core2GHz octa-core2GHz quad-core (4x2GHz)
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)8-megapixel (f/1.0)13-megapixel (f/2.2)13-megapixel (f/2.2)
Rear autofocusYes-Phase detection autofocusPhase detection autofocus
Rear flashYes-LEDLED
Front camera16-megapixel5-megapixel (f/2.2)5-megapixel (f/2.2)5-megapixel
Front autofocusNo---
Front flashNo--No
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 8.1Android 8.1 Oreo
SkinColorOS 5.2FunTouch OSFunTouch OS 4.0MIUI 9.6
connectivity
Wi-FiYes-YesYes
Wi-Fi standards supported802.11 a/b/g/n-802.11 b/g/n802.11 b/g/n
GPSYes-YesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 5.00Yes, v 4.20
USB OTGYesNo-Yes
Micro-USBYes-YesYes
Headphones3.5mm-3.5mm3.5mm
FMYes--Yes
Number of SIMs2-22
Active 4G on both SIM cardsYes--Yes
Wi-Fi Direct--Yes-
NFC---No
Infrared---No
USB Type-C---No
sim 1
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
SIM Type--Nano-SIMNano-SIM
sim 2
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
SIM Type--Nano-SIMNano-SIM
sensors
Face unlockYes--Yes
Fingerprint sensorYes--No
Compass/ MagnetometerYes-YesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYes-Yes
GyroscopeYes--No

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