Oppo A55s 5GvsOppo A91 comparison

Compare Oppo A55s 5G
Compare Oppo A91
key specs
Display6.50-inch6.40-inch
ProcessorQualcomm Snapdragon 480octa-core
Front Camera8-megapixel Yes
Rear Camera13-Ultrapixel + 2-megapixel 48-megapixel + 8-megapixel
RAM4GB8GB
Storage64GB128GB
Battery Capacity4000mAh4000mAh
OSAndroid 11Android 9
Resolution1080x2400 pixels1080x2400 pixels
general
BrandOppoOppo
ModelA55s 5GA91
Release dateNovember 19, 2021December 20, 2019
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Dimensions (mm)162.10 x 74.70 x 8.20-
Weight (g)178.00-
Battery capacity (mAh)40004000
ColoursBlack, GreenBlack, Blue, Red
Removable battery-No
Fast charging-VOOC
display
Refresh Rate90 Hz-
Screen size (inches)6.506.40
TouchscreenYesYes
Resolution1080x2400 pixels1080x2400 pixels
Pixels per inch (PPI)405-
Protection type-Gorilla Glass
hardware
Processor1.8GHz octa-core (2x2.04GHz + 6x1.8GHz)octa-core
Processor makeQualcomm Snapdragon 480-
RAM4GB8GB
Internal storage64GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
camera
Rear camera13-Ultrapixel (f/2.2) + 2-megapixel (f/2.4)48-megapixel + 8-megapixel
No. of Rear Cameras2-
Front camera8-megapixel (f/2.0)Yes
No. of Front Cameras1-
Rear autofocus-Yes
Rear flash-Yes
Front flash-No
software
Operating systemAndroid 11Android 9
SkinColorOS 11ColorOS
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes
USB Type-CYes-
Headphones3.5mm-
Number of SIMs2-
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
sensors
Face unlockYes-
Proximity sensorYesYes
AccelerometerYesYes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Ambient light sensor-Yes

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