Oppo K3 vs Oppo A57 comparison

Compare Oppo K3
Compare Oppo A57
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.50-inch5.20-inch
ProcessorQualcomm Snapdragon 710Qualcomm Snapdragon 435
Front Camera16-megapixel 16-megapixel
Rear Camera16-megapixel + 2-megapixel 13-megapixel
RAM6GB3GB
Storage64GB32GB
Battery Capacity3765mAh2900mAh
OSAndroid 9 PieAndroid 6.0
Resolution1080x2340 pixels720x1280 pixels
general
BrandOppoOppo
ModelK3A57
Release dateMay 23, 2019November 1, 2016
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)161.20 x 76.00 x 9.40149.10 x 72.90 x 7.65
Weight (g)191.00147.00
Battery capacity (mAh)37652900
Fast chargingVOOC-
Removable battery-No
Colours-Rose Gold, Gold
SAR value-1.31
display
Screen size (inches)6.505.20
TouchscreenYesYes
Resolution1080x2340 pixels720x1280 pixels
Protection typeGorilla Glass-
Aspect ratio19.5:916:9
Pixels per inch (PPI)394-
hardware
Processor2.2GHz octa-core1.4GHz octa-core
Processor makeQualcomm Snapdragon 710Qualcomm Snapdragon 435
RAM6GB3GB
Internal storage64GB32GB
Expandable storageNoYes
Expandable storage type-microSD
Expandable storage up to (GB)-256
camera
Rear camera16-megapixel (f/1.7) + 2-megapixel (f/2.4)13-megapixel (f/2.2)
Rear autofocusYesPhase detection autofocus
Rear flashDual LEDLED
Front camera16-megapixel (f/2.0)16-megapixel (f/2.0, 1.12-micron)
Pop-Up CameraYes-
Front autofocus-Yes
software
Operating systemAndroid 9 PieAndroid 6.0
SkinColorOS 6.0ColorOS 3.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n/ac802.11 b/g/n
GPSYesYes
BluetoothYes, v 5.00Yes, v 4.10
USB Type-CYes-
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
NFC-No
Infrared-No
USB OTG-Yes
Micro-USB-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
Gyroscope-Yes
Barometer-No
Temperature sensor-No
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