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Oppo A57 5G vs Oppo K7x comparison

 Compare Oppo A57 5G
Oppo A57 5G
Compare Oppo K7x
Oppo K7x
key specs
Display6.56-inch6.50-inch
ProcessorMediaTek Dimensity 810MediaTek Dimensity 720
Front Camera8-megapixel 16-megapixel
Rear Camera13-megapixel + 2-megapixel 48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel
RAM6GB, 8GB6GB
Storage128GB128GB
Battery Capacity5000mAh5000mAh
OSAndroid 12Android 10
Resolution720x1612 pixels1080x2400 pixels
general
BrandOppoOppo
ModelA57 5GK7x
Release dateApril 1, 2022November 4, 2020
Launched in IndiaNoNo
Form factorTouchscreenTouchscreen
Dimensions (mm)163.80 x 75.10 x 7.99162.20 x 75.10 x 9.10
Weight (g)186.00194.00
Battery capacity (mAh)50005000
ColoursBlack, Blue, LilacBlack Mirror, Blue Shadow
Fast charging-Proprietary
display
Refresh Rate90 Hz-
Resolution StandardHD+-
Screen size (inches)6.566.50
TouchscreenYesYes
Resolution720x1612 pixels1080x2400 pixels
Pixels per inch (PPI)269405
Protection type-Gorilla Glass
hardware
Processorocta-coreocta-core
Processor makeMediaTek Dimensity 810MediaTek Dimensity 720
RAM6GB, 8GB6GB
Internal storage128GB128GB
Expandable storageYesNo
Expandable storage typemicroSD-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)48-megapixel (f/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)
No. of Rear Cameras2-
Rear autofocusYesYes
Rear flashYesYes
Front camera8-megapixel (f/2.0)16-megapixel (f/2.0)
No. of Front Cameras1-
Pop-Up Camera-No
software
Operating systemAndroid 12Android 10
SkinColorOS 12.1ColorOS 7.2
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-
GPSYesYes
BluetoothYes, v 5.20Yes, v 5.00
USB Type-CYesYes
Headphones3.5mm3.5mm
Number of SIMs22
NFC-No
USB OTG-Yes
Micro-USB-No
Lightning-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5G-Yes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5G-Yes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes

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