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Xiaomi Redmi S2 vs Samsung Galaxy J2 (2018) vs Redmi Y1 vs Lenovo K8 Note comparison

 Compare Xiaomi Redmi S2
Xiaomi Redmi S2
Compare Samsung Galaxy J2 (2018)
Samsung Galaxy J2 (2018)
Compare Redmi Y1
Redmi Y1
Compare Lenovo K8 Note
Lenovo K8 Note
key specs
Display5.99-inch5.00-inch5.50-inch5.50-inch
ProcessorQualcomm Snapdragon 625Qualcomm Snapdragon 425Qualcomm Snapdragon 435MediaTek Helio X23
Front Camera16-megapixel5-megapixel16-megapixel 13-megapixel
Rear Camera12-megapixel8-megapixel13-megapixel 13-megapixel
RAM3GB2GB3GB3GB
Storage32GB16GB32GB32GB
Battery Capacity3080mAh2600mAh3080mAh4000mAh
OSAndroid 8.1 OreoAndroid 7.1Android 7.0Android 7.1.1
Resolution720x1440 pixels540x960 pixels720x1280 pixels1080x1920 pixels
general
BrandXiaomiSamsungXiaomiLenovo
ModelRedmi S2Galaxy J2 (2018)Redmi Y1K8 Note
Release dateMay 1, 2018January 1, 2018November 1, 2017August 1, 2017
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)160.73 x 77.26 x 8.10143.80 x 72.30 x 8.40153.00 x 76.20 x 7.70154.50 x 75.90 x 8.50
Weight (g)170.00153.00153.00180.00
Battery capacity (mAh)3080260030804000
Removable batteryNoNoNoNo
ColoursBlack, Rose Gold, Gold, White, Blue, Red, Pink, Gray, SilverBlack, Blue, PinkGold, Dark GreyFine Gold, Venom Black
Launched in India-YesYes-
SAR value--1.09-
display
Screen size (inches)5.995.005.505.50
TouchscreenYesYesYesYes
Resolution720x1440 pixels540x960 pixels720x1280 pixels1080x1920 pixels
Protection type--Gorilla Glass-
Aspect ratio--16:9-
Pixels per inch (PPI)--267441
hardware
Processor2GHz octa-core1.4GHz quad-core1.4GHz octa-core1.4GHz deca-core
Processor makeQualcomm Snapdragon 625Qualcomm Snapdragon 425Qualcomm Snapdragon 435MediaTek Helio X23 (MT6797D)
RAM3GB2GB3GB3GB
Internal storage32GB16GB32GB32GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128128
camera
Rear camera12-megapixel8-megapixel13-megapixel (f/2.2, 1.12-micron)13-megapixel
Rear flashLEDLEDLEDDual LED
Front camera16-megapixel5-megapixel16-megapixel (f/2.0)13-megapixel
Front flashYesLEDYesLED
Rear autofocus--Phase detection autofocus-
software
Operating systemAndroid 8.1 OreoAndroid 7.1Android 7.0Android 7.1.1
SkinMIUI 9-MIUI 9-
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n802.11 b/g/n802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 4.10Yes, v 4.10
InfraredYesNoYesNo
Number of SIMs2222
NFC-NoNoNo
USB OTG-YesYesYes
Headphones-3.5mm3.5mm3.5mm
FM-NoYesYes
Wi-Fi Direct-YesYesNo
Mobile High-Definition Link (MHL)-NoNoNo
Micro-USB--Yes-
sim 1
SIM TypeNano-SIMMicro-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMMicro-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Compass/ MagnetometerYesNoYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesNoYesYes
GyroscopeYesNoYesYes
Barometer-NoNoNo
Temperature sensor-NoNoNo
Fingerprint sensor--Yes-
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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