Microsoft Lumia 640 XL LTE Dual SIM vs Xiaomi Redmi 1S comparison

Compare Microsoft Lumia 640 XL LTE Dual SIM
Compare Xiaomi Redmi 1S
key specs
Display5.70-inch4.70-inch
ProcessorQualcomm Snapdragon 400Qualcomm Snapdragon 400
Front Camera5-megapixel1.6-megapixel
Rear Camera13-megapixel8-megapixel
RAM1GB1GB
Storage8GB8GB
Battery Capacity3120mAh2000mAh
OSWindows Phone 8.1Android 4.3
Resolution720x1280 pixels720x1280 pixels
general
BrandMicrosoftXiaomi
ModelLumia 640 XL LTE Dual SIMRedmi 1S
Release dateMarch 1, 2015July 1, 2014
Form factorTouchscreenTouchscreen
Dimensions (mm)157.90 x 81.50 x 9.00137.00 x 69.00 x 9.90
Weight (g)171.00158.00
Battery capacity (mAh)31202000
Removable batteryYesYes
Colours-grey
display
Screen size (inches)5.704.70
TouchscreenYesYes
Resolution720x1280 pixels720x1280 pixels
Pixels per inch (PPI)259312
hardware
Processor1.2GHz quad-core1.6GHz quad-core
Processor makeQualcomm Snapdragon 400Qualcomm Snapdragon 400 (MSM8228)
RAM1GB1GB
Internal storage8GB8GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)12864
camera
Rear camera13-megapixel8-megapixel
Rear flashLEDLED
Front camera5-megapixel1.6-megapixel
software
Operating systemWindows Phone 8.1Android 4.3
Skin-MIUI version 5
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n
GPSYesYes
BluetoothYes, v 4.00Yes, v 4.00
NFCYesNo
InfraredNoNo
USB OTGNoNo
Headphones3.5mm3.5mm
FMYesYes
Number of SIMs22
Wi-Fi DirectYesYes
Mobile High-Definition Link (MHL)NoNo
sim 1
SIM TypeMicro-SIMRegular
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesNo
sim 2
SIM TypeMicro-SIMRegular
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesNo
sensors
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeNoYes
BarometerNoNo
Temperature sensorNoNo
ratings
Overall NDTV Rating-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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