Nokia 2.1 vs Redmi 5A vs Mi A1 vs Xiaomi Redmi Note 4 comparison

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key specs
Display5.50-inch5.00-inch5.50-inch5.50-inch
Front Camera5-megapixel5-megapixel 5-megapixel5-megapixel
Rear Camera8-megapixel13-megapixel 12-megapixel13-megapixel
RAM1GB2GB4GB4GB
Storage8GB16GB64GB64GB
Battery Capacity4000mAh3000mAh3080mAh4100mAh
OSAndroid 8.1Android 7.1.2Android 7.1.2Android 6.0
Resolution720x1280 pixels720x1280 pixels1080x1920 pixels1080x1920 pixels
Processor-Qualcomm Snapdragon 425Qualcomm Snapdragon 625Qualcomm Snapdragon 625
general
BrandNokiaXiaomiXiaomiXiaomi
Model2.1Redmi 5AMi A1Redmi Note 4
Release dateMay 1, 2018October 1, 2017September 1, 2017August 1, 2016
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)153.70 x 77.70 x 9.35140.40 x 70.10 x 8.40155.40 x 75.80 x 7.30151.00 x 76.00 x 8.30
Battery capacity (mAh)4000300030804100
ColoursBlue/ Copper, Blue/ Silver, Grey/ SilverGold, Rose Gold, GreyRose Gold, Gold, BlackGold, Grey, Matte Black
Launched in India-YesYesYes
Body type-Metal--
Weight (g)-137.00165.00175.00
Removable battery-NoNoNo
display
Screen size (inches)5.505.005.505.50
TouchscreenYesYesYesYes
Resolution720x1280 pixels720x1280 pixels1080x1920 pixels1080x1920 pixels
Aspect ratio-16:916:916:9
Pixels per inch (PPI)-294-401
hardware
Processor makeQualcomm Snapdragon 425Qualcomm Snapdragon 425Qualcomm Snapdragon 625Qualcomm Snapdragon 625
RAM1GB2GB4GB4GB
Internal storage8GB16GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)128256128128
Processor-1.4GHz quad-core2GHz octa-core2GHz octa-core
camera
Rear camera8-megapixel13-megapixel (f/2.2)12-megapixel13-megapixel (f/2.0, 1.12-micron)
Rear flashLEDLEDDual LEDDual LED
Front camera5-megapixel5-megapixel (f/2.0)5-megapixel5-megapixel (f/2.0)
Rear autofocus-Phase detection autofocus-Phase detection autofocus
Front flash-No--
software
Operating systemAndroid 8.1Android 7.1.2Android 7.1.2Android 6.0
Skin-MIUI 9-MIUI 8
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n
GPSYesYesYesYes
BluetoothYesYes, v 4.10Yes, v 4.20Yes, v 4.10
Headphones3.5mm3.5mm3.5mm3.5mm
NFC-NoNoNo
Infrared-YesYesYes
USB OTG-YesYesYes
Micro-USB-Yes-Yes
FM-YesNoYes
Number of SIMs-222
Wi-Fi Direct-NoNoNo
Mobile High-Definition Link (MHL)-NoNoNo
USB Type-C--Yes-
sensors
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
Compass/ Magnetometer-NoYesYes
Gyroscope-NoYesYes
Barometer-NoNoNo
Temperature sensor-NoNoNo
Fingerprint sensor--YesYes
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sim 1
SIM Type-Nano-SIMNano-SIMMicro-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes
sim 2
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes

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