Xiaomi Redmi S2 vs Xiaomi Mi A2 comparison

Compare Xiaomi Redmi S2
Compare Xiaomi Mi A2
ratings
Overall NDTV Rating---
Design Rating---
Display Rating---
Software Rating---
Performance Rating---
Battery Life Rating---
Camera Rating---
Value for Money Rating---
general
Release dateMay 2018July 2018--
Form factorTouchscreenTouchscreen--
Dimensions (mm)160.73 x 77.26 x 8.10158.70 x 75.40 x 7.30--
Weight (g)170.00168.00--
Battery capacity (mAh)30803000--
Removable batteryNoNo--
ColoursBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, SilverBlack, Gold, Lake Blue, Rose Gold--
Launched in India-Yes--
display
Screen size (inches)5.995.99--
TouchscreenYesYes--
Resolution720x1440 pixels1080x2160 pixels--
Aspect ratio-18:9--
Pixels per inch (PPI)-403--
hardware
Processor2GHz octa-coreocta-core (4x2.2GHz + 4x1.8GHz)--
Processor makeSnapdragon 625Qualcomm Snapdragon 660--
RAM3GB4GB--
Internal storage32GB64GB--
Expandable storageYesNo--
Expandable storage typemicroSDmicroSD--
Expandable storage up to (GB)256---
camera
Rear camera12-megapixel12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)--
Rear FlashLED---
Front camera16-megapixel20-megapixel (f/2.2, 1.0-micron)--
Front FlashYes---
Rear autofocus-Phase detection autofocus--
Rear flash-Dual LED--
Front flash-LED--
software
Operating SystemAndroid 8.1 Oreo---
SkinMIUI 9---
Operating system-Android 8.1 Oreo--
connectivity
Wi-FiYesYes--
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac--
GPSYesYes--
BluetoothYes, v 4.20Yes, v 5.00--
InfraredYes---
Number of SIMs22--
NFC-Yes--
USB OTG-Yes--
Headphones-No--
sim 1
SIM TypeNano-SIMNano-SIM--
GSM/CDMAGSMGSM--
3GYesYes--
4G/ LTEYesYes--
sim 2
SIM TypeNano-SIMNano-SIM--
GSM/CDMAGSMGSM--
3GYesYes--
4G/ LTEYesYes--
sensors
Compass/ MagnetometerYesYes--
Proximity sensorYesYes--
AccelerometerYesYes--
Ambient light sensorYesYes--
GyroscopeYesYes--
Fingerprint sensor-Yes--