Oppo R15x vs Oppo R9 vs Oppo R7 comparison

Compare Oppo R15x
Compare Oppo R9
Compare Oppo R7
key specs
Display6.40-inch5.50-inch5.00-inch
ProcessorQualcomm Snapdragon 660MediaTek MT6755Qualcomm Snapdragon 615
Front Camera25-megapixel16-megapixel8-megapixel
Rear Camera16-megapixel + 2-megapixel13-megapixel13-megapixel
RAM6GB4GB3GB
Storage128GB64GB16GB
Battery Capacity3500mAh2850mAh2320mAh
OSAndroid OreoAndroid 5.1Android 4.4
Resolution-1080x1920 pixels1080x1920 pixels
general
BrandOppoOppoOppo
ModelR15xR9R7
Release dateNovember 2018March 2016-
Battery capacity (mAh)350028502320
ColoursNebula, Ice Blue-Silver, Gold
Form factor-TouchscreenTouchscreen
Dimensions (mm)-151.80 x 74.30 x 6.60143.00 x 71.00 x 6.30
Weight (g)-145.00147.00
Removable battery-NoNo
display
Screen size (inches)6.405.505.00
TouchscreenYesYesYes
Resolution-1080x1920 pixels1080x1920 pixels
Pixels per inch (PPI)-401441
hardware
Processorocta-core2GHz octa-core1.5GHz octa-core
Processor makeQualcomm Snapdragon 660MediaTek MT6755Qualcomm Snapdragon 615
RAM6GB4GB3GB
Internal storage128GB64GB16GB
Expandable storage-YesYes
Expandable storage type-microSDmicroSD
Expandable storage up to (GB)-128128
camera
Rear camera16-megapixel + 2-megapixel13-megapixel13-megapixel
Front camera25-megapixel16-megapixel8-megapixel
Rear flash-LEDDual LED
software
Operating systemAndroid OreoAndroid 5.1Android 4.4
SkinColorOS 5.2ColorOS 3.0ColorOS 2.1
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYesYesYes, v 4.10
Headphones3.5mm3.5mm3.5mm
NFC-NoNo
Infrared-NoNo
USB OTG-YesYes
FM-NoYes
Number of SIMs-22
Wi-Fi standards supported--802.11 b/g/n
sim 1
SIM Type-Micro-SIMMicro-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesYes
sim 2
SIM Type-Micro-SIMNano-SIM
GSM/CDMA-GSMGSM
3G-YesYes
4G/ LTE-YesNo
sensors
Compass/ Magnetometer-NoNo
Proximity sensor-YesYes
Accelerometer-YesYes
Ambient light sensor-YesYes
Gyroscope-YesYes
Barometer-NoNo
Temperature sensor-NoNo
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