Oppo K7x vs Oppo A91 comparison

Compare Oppo K7x
Compare Oppo A91
key specs
Display6.50-inch6.40-inch
ProcessorMediaTek Dimensity 720octa-core
Front Camera16-megapixel Yes
Rear Camera48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel 48-megapixel + 8-megapixel
RAM6GB8GB
Storage128GB128GB
Battery Capacity5000mAh4000mAh
OSAndroid 10Android 9
Resolution1080x2400 pixels1080x2400 pixels
general
BrandOppoOppo
ModelK7xA91
Release date4th November 202020th December 2019
Launched in IndiaNo-
Form factorTouchscreenTouchscreen
Dimensions (mm)162.20 x 75.10 x 9.10-
Weight (g)194.00-
Battery capacity (mAh)50004000
Fast chargingProprietaryVOOC
ColoursBlack Mirror, Blue ShadowBlack, Blue, Red
Removable battery-No
display
Screen size (inches)6.506.40
TouchscreenYesYes
Resolution1080x2400 pixels1080x2400 pixels
Protection typeGorilla GlassGorilla Glass
Pixels per inch (PPI)405-
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 720-
RAM6GB8GB
Internal storage128GB128GB
Expandable storageNo-
camera
Rear camera48-megapixel (f/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)48-megapixel + 8-megapixel
Rear autofocusYesYes
Rear flashYesYes
Front camera16-megapixel (f/2.0)Yes
Pop-Up CameraNo-
Front flash-No
software
Operating systemAndroid 10Android 9
SkinColorOS 7.2ColorOS
connectivity
Wi-FiYesYes
GPSYesYes
BluetoothYes, v 5.00Yes
NFCNo-
USB OTGYes-
USB Type-CYes-
Micro-USBNo-
LightningNo-
Headphones3.5mm-
Number of SIMs2-
Wi-Fi standards supported-802.11 a/b/g/n
Active 4G on both SIM cards-Yes
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GYes-
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSM-
3GYes-
4G/ LTEYes-
5GYes-
sensors
Fingerprint sensorYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYes-
Compass/ Magnetometer-Yes

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