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Xiaomi Redmi S2 vs Redmi Note 5 Pro vs Mi A1 comparison

 Compare Xiaomi Redmi S2
Xiaomi Redmi S2
Compare Redmi Note 5 Pro
Redmi Note 5 Pro
Compare Mi A1
Mi A1
key specs
Display5.99-inch5.99-inch5.50-inch
ProcessorQualcomm Snapdragon 625Qualcomm Snapdragon 636Qualcomm Snapdragon 625
Front Camera16-megapixel20-megapixel 5-megapixel
Rear Camera12-megapixel12-megapixel + 5-megapixel 12-megapixel
RAM3GB4GB4GB
Storage32GB64GB64GB
Battery Capacity3080mAh4000mAh3080mAh
OSAndroid 8.1 OreoAndroid 7.1.1Android 7.1.2
Resolution720x1440 pixels1080x2160 pixels1080x1920 pixels
general
BrandXiaomiXiaomiXiaomi
ModelRedmi S2Redmi Note 5 ProMi A1
Release dateMay 1, 2018February 1, 2018September 1, 2017
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)160.73 x 77.26 x 8.10158.60 x 75.40 x 8.05155.40 x 75.80 x 7.30
Weight (g)170.00181.00165.00
Battery capacity (mAh)308040003080
Removable batteryNoNoNo
ColoursBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, SilverBlack, Gold, Lake Blue, Rose GoldRose Gold, Gold, Black
Launched in India-YesYes
Body type-Metal-
SAR value-1.19-
display
Screen size (inches)5.995.995.50
TouchscreenYesYesYes
Resolution720x1440 pixels1080x2160 pixels1080x1920 pixels
Protection type-Gorilla Glass-
Aspect ratio-18:916:9
hardware
Processor2GHz octa-core1.8GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 625Qualcomm Snapdragon 636Qualcomm Snapdragon 625
RAM3GB4GB4GB
Internal storage32GB64GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256128128
camera
Rear camera12-megapixel12-megapixel (f/2.2, 1.25-micron) + 5-megapixel (f/2.0, 1.12-micron)12-megapixel
Rear flashLEDLEDDual LED
Front camera16-megapixel20-megapixel (f/2.2, 1.0-micron)5-megapixel
Front flashYesLED-
Rear autofocus-Phase detection autofocus-
software
Operating systemAndroid 8.1 OreoAndroid 7.1.1Android 7.1.2
SkinMIUI 9MIUI 9-
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.20
InfraredYesNoYes
Number of SIMs222
NFC-NoNo
USB OTG-YesYes
Micro-USB-Yes-
Headphones-3.5mm3.5mm
FM-YesNo
Wi-Fi Direct-YesNo
Mobile High-Definition Link (MHL)-NoNo
USB Type-C--Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
Face unlock-Yes-
3D face recognition-No-
Fingerprint sensor-YesYes
Barometer-NoNo
Temperature sensor-NoNo
ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-

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