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Oppo A3 vs Oppo R15 vs Oppo A79 comparison

 Compare Oppo A3
Oppo A3
Compare Oppo R15
Oppo R15
Compare Oppo A79
Oppo A79
key specs
Display6.20-inch6.28-inch6.01-inch
ProcessorMediaTek Helio P60 MediaTek Helio P60 MediaTek Helio P23
Front Camera8-megapixel 20-megapixel16-megapixel
Rear Camera16-megapixel 16-megapixel16-megapixel
RAM4GB6GB4GB
Storage128GB128GB64GB
Battery Capacity3400mAh3450mAh3000mAh
OSAndroid 8.1Android 8.1Android 7.1
Resolution1080x2280 pixels1080x2280 pixels1080x2160 pixels
general
BrandOppoOppoOppo
ModelA3R15A79
Release dateApril 1, 2018March 1, 2018November 1, 2017
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.00 x 75.30 x 7.80155.10 x 75.20 x 7.40157.30 x 76.70 x 7.20
Weight (g)159.00175.00140.00
Battery capacity (mAh)340034503000
ColoursKnight Black, Soybean Meal, Stardust Silver, Garnet RedSnow White, Hot Red, Star Purple-
Removable battery--No
display
Screen size (inches)6.206.286.01
TouchscreenYesYesYes
Resolution1080x2280 pixels1080x2280 pixels1080x2160 pixels
Aspect ratio19:9--
hardware
Processor2GHz octa-core2GHz octa-core2.5GHz octa-core
Processor makeMediaTek Helio P60 (MT6771)MediaTek Helio P60 (MT6771)MediaTek Helio P23 (MT6763T)
RAM4GB6GB4GB
Internal storage128GB128GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128
camera
Rear camera16-megapixel (f/1.8)16-megapixel16-megapixel
Rear flashYesLEDLED
Front camera8-megapixel (f/2.2)20-megapixel16-megapixel
software
Operating systemAndroid 8.1Android 8.1Android 7.1
SkinColorOS 5.0ColorOS 5.0ColorOS 3.2
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes
USB OTGYes--
Headphones3.5mm-3.5mm
Number of SIMs222
Wi-Fi standards supported-802.11 a/b/g/n/ac-
Wi-Fi Direct-Yes-
NFC--No
Infrared--No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Proximity sensorYesYesYes
Ambient light sensorYesYesYes
GyroscopeYes--
Accelerometer-YesYes

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