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Oppo A77s vs Vivo Y91i comparison

 Compare Oppo A77s
Oppo A77s
Compare Vivo Y91i
Vivo Y91i
key specs
Display6.56-inch6.22-inch
Front Camera8-megapixel 5-megapixel
Rear Camera50-megapixel + 2-megapixel 13-megapixel
RAM8GB2GB
Storage128GB16GB
Battery Capacity5000mAh4030mAh
OSAndroid 12Android 8.1
Resolution1612x720 pixels720x1520 pixels
Processor-MediaTek Helio P22
general
BrandOppoVivo
ModelA77sY91i
Release dateOctober 6, 2022March 1, 2019
Launched in IndiaYesYes
Dimensions (mm)163.74 x 75.03 x 7.99155.11 x 75.09 x 8.28
Weight (g)187.00163.50
Battery capacity (mAh)50004030
Fast chargingSuper VOOC-
ColoursSunset Orange, Starry BlackFusion Black, Ocean Blue
Form factor-Touchscreen
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.566.22
TouchscreenYesYes
Resolution1612x720 pixels720x1520 pixels
Pixels per inch (PPI)269-
Aspect ratio-19:9
hardware
Processor makeQualcomm Snapdragon 680MediaTek Helio P22 (MT6762)
RAM8GB2GB
Internal storage128GB16GB
Expandable storage typemicroSDmicroSD
Processor-octa-core
Expandable storage-Yes
camera
Rear camera50-megapixel (f/1.8) + 2-megapixel (f/2.4)13-megapixel (f/2.2)
No. of Rear Cameras2-
Front camera8-megapixel (f/2.0)5-megapixel (f/1.8)
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
software
Operating systemAndroid 12Android 8.1
SkinColorOS 12.1Funtouch OS 4.5
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes, v 5.00
USB Type-CYes-
Headphones3.5mm3.5mm
Active 4G on both SIM cardsYes-
USB OTG-Yes
Micro-USB-Yes
FM-Yes
Number of SIMs-2
sensors
Fingerprint sensorYesNo
Face unlock-Yes
Compass/ Magnetometer-Yes
Proximity sensor-Yes
Accelerometer-Yes
Ambient light sensor-Yes
Gyroscope-Yes
sim 1
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes
sim 2
SIM Type-Nano-SIM
GSM/CDMA-GSM
3G-Yes
4G/ LTE-Yes

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