Oppo R17 Neo vs Oppo R15x vs Oppo R9 vs Oppo R7 comparison

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key specs
Display6.40-inch6.40-inch5.50-inch5.00-inch
Processor1.95GHz octa-coreocta-core2GHz octa-core1.5GHz octa-core
Front Camera25-megapixel25-megapixel16-megapixel8-megapixel
Resolution1080x2340 pixels-1080x1920 pixels1080x1920 pixels
RAM4GB6GB4GB3GB
OSAndroid 8.1 OreoAndroid OreoAndroid 5.1Android 4.4
Storage128GB128GB64GB16GB
Rear Camera16-megapixel + 2-megapixel16-megapixel + 2-megapixel13-megapixel13-megapixel
Battery Capacity3600mAh3500mAh2850mAh2320mAh
general
Release dateOctober 2018November 2018March 2016-
Launched in IndiaNo---
Form factorTouchscreen-TouchscreenTouchscreen
Dimensions (mm)158.30 x 75.50 x 7.40-151.80 x 74.30 x 6.60143.00 x 71.00 x 6.30
Weight (g)156.00-145.00147.00
Battery capacity (mAh)3600350028502320
ColoursBlue, RedNebula, Ice Blue-Silver, Gold
Removable battery--NoNo
display
Screen size (inches)6.406.405.505.00
TouchscreenYesYesYesYes
Resolution1080x2340 pixels-1080x1920 pixels1080x1920 pixels
Protection typeGorilla Glass---
Aspect ratio19.5:9---
Pixels per inch (PPI)--401441
hardware
Processor1.95GHz octa-coreocta-core2GHz octa-core1.5GHz octa-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 660MediaTek MT6755Qualcomm Snapdragon 615
RAM4GB6GB4GB3GB
Internal storage128GB128GB64GB16GB
Expandable storageYes-YesYes
Expandable storage typemicroSD-microSDmicroSD
Expandable storage up to (GB)256-128128
camera
Rear camera16-megapixel + 2-megapixel16-megapixel + 2-megapixel13-megapixel13-megapixel
Front camera25-megapixel25-megapixel16-megapixel8-megapixel
Rear flash--LEDDual LED
software
Operating systemAndroid 8.1 OreoAndroid OreoAndroid 5.1Android 4.4
SkinColorOS 5.2ColorOS 5.2ColorOS 3.0ColorOS 2.1
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac--802.11 b/g/n
GPSYesYesYesYes
BluetoothYes, v 5.00YesYesYes, v 4.10
USB OTGYes-YesYes
Headphones-3.5mm3.5mm3.5mm
NFC--NoNo
Infrared--NoNo
FM--NoYes
Number of SIMs--22
sensors
Fingerprint sensorYes---
Compass/ MagnetometerYes-NoNo
Proximity sensorYes-YesYes
AccelerometerYes-YesYes
Ambient light sensorYes-YesYes
GyroscopeYes-YesYes
Barometer--NoNo
Temperature sensor--NoNo
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