Redmi Y1 vs Mi A1 vs Lenovo K8 Note vs Xiaomi Redmi Note 4 comparison

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Compare Mi A1
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Compare Xiaomi Redmi Note 4
ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display5.50-inch5.50-inch5.50-inch5.50-inch
ProcessorQualcomm Snapdragon 435Qualcomm Snapdragon 625MediaTek Helio X23 Qualcomm Snapdragon 625
Front Camera16-megapixel 5-megapixel13-megapixel5-megapixel
Rear Camera13-megapixel 12-megapixel13-megapixel13-megapixel
RAM3GB4GB3GB4GB
Storage32GB64GB32GB64GB
Battery Capacity3080mAh3080mAh4000mAh4100mAh
OSAndroid 7.0Android 7.1.2Android 7.1.1Android 6.0
Resolution720x1280 pixels1080x1920 pixels1080x1920 pixels1080x1920 pixels
general
BrandXiaomiXiaomiLenovoXiaomi
ModelRedmi Y1Mi A1K8 NoteRedmi Note 4
Release dateNovember 1, 2017September 1, 2017August 1, 2017August 1, 2016
Launched in IndiaYesYes-Yes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)153.00 x 76.20 x 7.70155.40 x 75.80 x 7.30154.50 x 75.90 x 8.50151.00 x 76.00 x 8.30
Weight (g)153.00165.00180.00175.00
Battery capacity (mAh)3080308040004100
Removable batteryNoNoNoNo
ColoursGold, Dark GreyRose Gold, Gold, BlackFine Gold, Venom BlackGold, Grey, Matte Black
SAR value1.09---
display
Screen size (inches)5.505.505.505.50
TouchscreenYesYesYesYes
Resolution720x1280 pixels1080x1920 pixels1080x1920 pixels1080x1920 pixels
Protection typeGorilla Glass---
Aspect ratio16:916:9-16:9
Pixels per inch (PPI)267-441401
hardware
Processor1.4GHz octa-core2GHz octa-core1.4GHz deca-core2GHz octa-core
Processor makeQualcomm Snapdragon 435Qualcomm Snapdragon 625MediaTek Helio X23 (MT6797D)Qualcomm Snapdragon 625
RAM3GB4GB3GB4GB
Internal storage32GB64GB32GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)128128128128
camera
Rear camera13-megapixel (f/2.2, 1.12-micron)12-megapixel13-megapixel13-megapixel (f/2.0, 1.12-micron)
Rear autofocusPhase detection autofocus--Phase detection autofocus
Rear flashLEDDual LEDDual LEDDual LED
Front camera16-megapixel (f/2.0)5-megapixel13-megapixel5-megapixel (f/2.0)
Front flashYes-LED-
software
Operating systemAndroid 7.0Android 7.1.2Android 7.1.1Android 6.0
SkinMIUI 9--MIUI 8
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n
GPSYesYesYesYes
BluetoothYes, v 4.10Yes, v 4.20Yes, v 4.10Yes, v 4.10
NFCNoNoNoNo
InfraredYesYesNoYes
USB OTGYesYesYesYes
Micro-USBYes--Yes
Headphones3.5mm3.5mm3.5mm3.5mm
FMYesNoYesYes
Number of SIMs2222
Wi-Fi DirectYesNoNoNo
Mobile High-Definition Link (MHL)NoNoNoNo
USB Type-C-Yes--
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
Fingerprint sensorYesYes-Yes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes
BarometerNoNoNoNo
Temperature sensorNoNoNoNo

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