Nokia Lumia 638 vs Oppo R3 vs Nokia Lumia 630 comparison

Compare Nokia Lumia 638
Compare Oppo R3
Compare Nokia Lumia 630
key specs
Display4.50-inch5.00-inch4.50-inch
ProcessorQualcomm Snapdragon 4001.6GHz quad-coreQualcomm Snapdragon 400
Front CameraNo5-megapixelNo
Rear Camera5-megapixel8-megapixel5-megapixel
RAM1GB1GB512MB
Storage8GB8GB8GB
Battery Capacity1830mAh-1830mAh
OSWindows Phone 8.1AndroidWindows Phone 8.1
Resolution480x854 pixels720x1280 pixels480x854 pixels
general
BrandNokiaOppoNokia
ModelLumia 638R3Lumia 630
Release dateJune 1, 2014June 1, 2014May 1, 2014
Form factorTouchscreen-Touchscreen
Dimensions (mm)129.50 x 66.70 x 9.20-129.50 x 66.70 x 9.20
Battery capacity (mAh)1830-1830
Removable batteryNoNoYes
ColoursOrange, Black, Yellow, White-Bright Green, Bright Orange, Black, White
Weight (g)--134.00
display
Screen size (inches)4.505.004.50
TouchscreenYesYesYes
Resolution480x854 pixels720x1280 pixels480x854 pixels
Pixels per inch (PPI)--221
hardware
Processor1.2GHz quad-core1.6GHz quad-core1.2GHz quad-core
Processor makeQualcomm Snapdragon 400-Qualcomm Snapdragon 400
RAM1GB1GB512MB
Internal storage8GB8GB8GB
Expandable storageYesYesYes
Expandable storage up to (GB)128-128
Expandable storage type-microSDmicroSD
camera
Rear camera5-megapixel8-megapixel5-megapixel
Rear flashNoLED-
Front cameraNo5-megapixelNo
software
Operating systemWindows Phone 8.1AndroidWindows Phone 8.1
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n-802.11 b/g/n
GPSYesYesYes
BluetoothYesYesYes, v 4.00
NFCNoNoNo
InfraredNoNoNo
USB OTGNoNoNo
Headphones3.5mm3.5mm3.5mm
FMNoNoYes
Number of SIMs111
Wi-Fi DirectNoYesNo
Mobile High-Definition Link (MHL)NoNoNo
sim 1
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesNo
SIM Type-Micro-SIMMicro-SIM
sensors
Compass/ MagnetometerNoNoNo
Proximity sensorNoYesYes
AccelerometerNoYesYes
Ambient light sensorNoNoYes
GyroscopeNoNoNo
BarometerNoNoNo
Temperature sensorNoNoNo

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