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Xiaomi Redmi S2 vs Xiaomi Mi A2 vs Redmi Y1 comparison

 Compare Xiaomi Redmi S2
Xiaomi Redmi S2
Compare Xiaomi Mi A2
Xiaomi Mi A2
Compare Redmi Y1
Redmi Y1
key specs
Display5.99-inch5.99-inch5.50-inch
ProcessorQualcomm Snapdragon 625Qualcomm Snapdragon 660Qualcomm Snapdragon 435
Front Camera16-megapixel20-megapixel 16-megapixel
Rear Camera12-megapixel12-megapixel + 20-megapixel 13-megapixel
RAM3GB4GB3GB
Storage32GB64GB32GB
Battery Capacity3080mAh3000mAh3080mAh
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 7.0
Resolution720x1440 pixels1080x2160 pixels720x1280 pixels
general
BrandXiaomiXiaomiXiaomi
ModelRedmi S2Mi A2Redmi Y1
Release dateMay 1, 2018July 1, 2018November 1, 2017
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)160.73 x 77.26 x 8.10158.70 x 75.40 x 7.30153.00 x 76.20 x 7.70
Weight (g)170.00168.00153.00
Battery capacity (mAh)308030003080
Removable batteryNoNoNo
ColoursBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, SilverBlack, Gold, Lake Blue, Rose GoldGold, Dark Grey
Launched in India-YesYes
SAR value--1.09
display
Screen size (inches)5.995.995.50
TouchscreenYesYesYes
Resolution720x1440 pixels1080x2160 pixels720x1280 pixels
Aspect ratio-18:916:9
Pixels per inch (PPI)-403267
Protection type--Gorilla Glass
hardware
Processor2GHz octa-coreocta-core (4x2.2GHz + 4x1.8GHz)1.4GHz octa-core
Processor makeQualcomm Snapdragon 625Qualcomm Snapdragon 660Qualcomm Snapdragon 435
RAM3GB4GB3GB
Internal storage32GB64GB32GB
Expandable storageYesNoYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256-128
camera
Rear camera12-megapixel12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)13-megapixel (f/2.2, 1.12-micron)
Rear flashLEDDual LEDLED
Front camera16-megapixel20-megapixel (f/2.2, 1.0-micron)16-megapixel (f/2.0)
Front flashYesLEDYes
Rear autofocus-Phase detection autofocusPhase detection autofocus
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 7.0
SkinMIUI 9-MIUI 9
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.10
InfraredYes-Yes
Number of SIMs222
NFC-YesNo
USB OTG-YesYes
Headphones-No3.5mm
Wi-Fi Direct-YesYes
Micro-USB--Yes
FM--Yes
Mobile High-Definition Link (MHL)--No
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
Fingerprint sensor-YesYes
Barometer--No
Temperature sensor--No
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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