Xiaomi Redmi S2 vs Redmi 5 vs Redmi Note 5 vs Xiaomi Redmi Note 4 comparison

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key specs
Display5.99-inch5.70-inch5.99-inch5.50-inch
ProcessorQualcomm Snapdragon 625Qualcomm Snapdragon 450Qualcomm Snapdragon 625Qualcomm Snapdragon 625
Front Camera16-megapixel5-megapixel5-megapixel5-megapixel
Rear Camera12-megapixel12-megapixel 12-megapixel 13-megapixel
RAM3GB3GB4GB4GB
Storage32GB32GB64GB64GB
Battery Capacity3080mAh3300mAh4000mAh4100mAh
OSAndroid 8.1 OreoAndroid 7.1.2Android 7.0Android 6.0
Resolution720x1440 pixels720x1440 pixels1080x2160 pixels1080x1920 pixels
general
BrandXiaomiXiaomiXiaomiXiaomi
ModelRedmi S2Redmi 5Redmi Note 5Redmi Note 4
Release dateMay 1, 2018December 1, 2017February 1, 2018August 1, 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)160.73 x 77.26 x 8.10151.80 x 72.80 x 7.70158.50 x 75.45 x 8.05151.00 x 76.00 x 8.30
Weight (g)170.00157.00180.00175.00
Battery capacity (mAh)3080330040004100
Removable batteryNoNoNoNo
ColoursBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, SilverBlack, Gold, Rose Gold, Lake BlueBlack, Gold, Lake Blue, Rose GoldGold, Grey, Matte Black
Launched in India-YesYesYes
display
Screen size (inches)5.995.705.995.50
TouchscreenYesYesYesYes
Resolution720x1440 pixels720x1440 pixels1080x2160 pixels1080x1920 pixels
Aspect ratio-18:918:916:9
Pixels per inch (PPI)-282403401
hardware
Processor2GHz octa-core1.8GHz octa-core2GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 625Qualcomm Snapdragon 450Qualcomm Snapdragon 625Qualcomm Snapdragon 625
RAM3GB3GB4GB4GB
Internal storage32GB32GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256--128
camera
Rear camera12-megapixel12-megapixel (f/2.2, 1.25-micron)12-megapixel (f/2.2, 1.25-micron)13-megapixel (f/2.0, 1.12-micron)
Rear flashLEDLEDDual LEDDual LED
Front camera16-megapixel5-megapixel5-megapixel5-megapixel (f/2.0)
Front flashYesLEDLED-
Rear autofocus-Phase detection autofocusPhase detection autofocusPhase detection autofocus
software
Operating systemAndroid 8.1 OreoAndroid 7.1.2Android 7.0Android 6.0
SkinMIUI 9MIUI 9.2.7MIUI 9MIUI 8
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n802.11 b/g/n802.11 a/b/g/n
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.20Yes, v 4.10
InfraredYesNoNoYes
Number of SIMs2222
NFC-NoNoNo
USB OTG-YesYesYes
Headphones-3.5mm3.5mm3.5mm
FM-YesYesYes
Wi-Fi Direct-YesNoNo
Mobile High-Definition Link (MHL)-NoNoNo
Micro-USB--YesYes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMMicro-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
Fingerprint sensor-YesYesYes
Barometer-NoNoNo
Temperature sensor-NoNoNo
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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