Xiaomi Redmi 3S vs Celkon Campus A15 comparison

Compare Xiaomi Redmi 3S
Compare Celkon Campus A15
key specs
Display5.00-inch3.50-inch
ProcessorQualcomm Snapdragon 4301GHz dual-core
Front Camera5-megapixelNo
Rear Camera13-megapixel3.2-megapixel
RAM2GB256MB
Storage16GB512MB
Battery Capacity4100mAh1400mAh
OSAndroid 6.0.1Android 4.2
Resolution720x1280 pixels320x480 pixels
general
BrandXiaomiCelkon
ModelRedmi 3SCampus A15
Release dateJune 2016October 2013
Form factorTouchscreenTouchscreen
Dimensions (mm)139.30 x 69.60 x 8.50-
Weight (g)144.00-
Battery capacity (mAh)41001400
Removable batteryNoYes
ColoursGrey, Silver, Gold-
display
Screen size (inches)5.003.50
TouchscreenYesYes
Resolution720x1280 pixels320x480 pixels
hardware
Processor1.1GHz octa-core1GHz dual-core
Processor makeQualcomm Snapdragon 430-
RAM2GB256MB
Internal storage16GB512MB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)12832
camera
Rear camera13-megapixel3.2-megapixel
Rear flashLED-
Front camera5-megapixelNo
software
Operating systemAndroid 6.0.1Android 4.2
SkinMIUI 7-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesNo
BluetoothYes, v 4.10Yes
NFCNoNo
InfraredYesNo
USB OTGYesNo
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectNoNo
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeMicro-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sim 2
SIM TypeNano-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sensors
Compass/ MagnetometerYesNo
Proximity sensorYesNo
AccelerometerYesYes
Ambient light sensorYesNo
GyroscopeYesNo
BarometerNoNo
Temperature sensorNoNo
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