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Oppo K9 5G vs Oppo A57 comparison

 Compare Oppo K9 5G
Oppo K9 5G
Compare Oppo A57
Oppo A57
key specs
Display6.43-inch5.20-inch
ProcessorQualcomm Snapdragon 768GQualcomm Snapdragon 435
Front Camera32-megapixel 16-megapixel
Rear Camera64-megapixel + 8-megapixel + 2-megapixel 13-megapixel
RAM8GB3GB
Storage128GB, 256GB32GB
Battery Capacity4300mAh2900mAh
OSAndroid 11Android 6.0
Resolution1080x2400 pixels720x1280 pixels
general
BrandOppoOppo
ModelK9 5GA57
Release dateMay 6, 2021November 1, 2016
Launched in IndiaNoYes
Form factorTouchscreenTouchscreen
Dimensions (mm)159.10 x 73.40 x 7.90149.10 x 72.90 x 7.65
Weight (g)172.00147.00
Battery capacity (mAh)43002900
Fast chargingProprietary-
ColoursBlack, GradientRose Gold, Gold
Removable battery-No
SAR value-1.31
display
Screen size (inches)6.435.20
TouchscreenYesYes
Resolution1080x2400 pixels720x1280 pixels
Aspect ratio20:916:9
Pixels per inch (PPI)410-
hardware
Processorocta-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 768GQualcomm Snapdragon 435
RAM8GB3GB
Internal storage128GB, 256GB32GB
Expandable storage-Yes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera64-megapixel (f/1.7) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)
No. of Rear Cameras3-
Rear autofocusYesPhase detection autofocus
Rear flashYesLED
Front camera32-megapixel (f/2.4)16-megapixel (f/2.0, 1.12-micron)
No. of Front Cameras1-
Pop-Up CameraNo-
Front autofocus-Yes
software
Operating systemAndroid 11Android 6.0
SkinColorOS 11.1ColorOS 3.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYesYes, v 4.10
USB Type-CYes-
Micro-USBNoYes
LightningNo-
Headphones3.5mm3.5mm
Number of SIMs22
NFC-No
Infrared-No
USB OTG-Yes
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
5GYes-
GSM/CDMA-GSM
sim 2
SIM TypeNano-SIMNano-SIM
3GYesYes
4G/ LTEYesYes
5GYes-
GSM/CDMA-GSM
sensors
In-Display Fingerprint SensorYes-
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes
Fingerprint sensor-Yes
Compass/ Magnetometer-Yes
Barometer-No
Temperature sensor-No
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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