Nokia 8.1 vs Xiaomi Mi A2 vs Nokia 7.1 vs Nokia 7 Plus comparison

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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
Display6.18-inch5.99-inch5.84-inch6.00-inch
Processor2.2GHz octa-coreocta-core 1.8GHz octa-coreocta-core
Front Camera20-megapixel 20-megapixel 8-megapixel 16-megapixel
Resolution1080x2244 pixels1080x2160 pixels1080x2280 pixels1080x2160 pixels
RAM4GB4GB4GB4GB
OSAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.1Android 8.0
Storage64GB64GB64GB64GB
Rear Camera12-megapixel + 13-megapixel12-megapixel + 20-megapixel 12-megapixel + 5-megapixel 12-megapixel + 13-megapixel
Battery Capacity3500mAh3000mAh3060mAh3800mAh
general
Release dateDecember 2018July 2018October 2018February 2018
Form factorTouchscreenTouchscreen-Touchscreen
Dimensions (mm)154.80 x 75.76 x 7.97158.70 x 75.40 x 7.30149.70 x 71.20 x 7.99158.38 x 75.64 x 7.99
Weight (g)178.00168.00160.00-
Battery capacity (mAh)3500300030603800
Removable batteryNoNo-No
ColoursBlue/ Silver, Steel/ Copper, Iron/ SteelBlack, Gold, Lake Blue, Rose GoldGloss Midnight Blue, Gloss SteelBlack/Copper, White/Copper
Launched in India-YesYesYes
Wireless charging--No-
SAR value---0.74
display
Screen size (inches)6.185.995.846.00
TouchscreenYesYesYesYes
Resolution1080x2244 pixels1080x2160 pixels1080x2280 pixels1080x2160 pixels
Aspect ratio18.7:918:919:918:9
Pixels per inch (PPI)-403-403
Protection type---Gorilla Glass
hardware
Processor2.2GHz octa-coreocta-core (4x2.2GHz + 4x1.8GHz)1.8GHz octa-coreocta-core (4x2.2GHz + 4x1.8GHz)
Processor makeQualcomm Snapdragon 710Qualcomm Snapdragon 660Qualcomm Snapdragon 636Qualcomm Snapdragon 660
RAM4GB4GB4GB4GB
Internal storage64GB64GB64GB64GB
Expandable storageYesNoYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)400-400256
camera
Rear camera12-megapixel (f/1.8, 1.4-micron) + 13-megapixel12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)12-megapixel (f/1.8, 1.28-micron) + 5-megapixel (f/2.4, 1.12-micron)12-megapixel (f/1.8, 1.4-micron) + 13-megapixel (f/2.6, 1.0-micron)
Rear autofocusYesPhase detection autofocus-Phase detection autofocus
Rear flashDual LEDDual LED-Yes
Front camera20-megapixel (0.9-micron)20-megapixel (f/2.2, 1.0-micron)8-megapixel (f/2.0)16-megapixel (f/2.0, 1.0-micron)
Front flash-LED--
software
Operating systemAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.1Android 8.0
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 5.00Yes, v 5.00Yes, v 5.00Yes, v 5.00
USB Type-CYes-YesYes
Headphones3.5mmNo3.5mm3.5mm
FMYes-YesNo
Number of SIMs2222
NFC-Yes-Yes
USB OTG-Yes--
sim 1
SIM TypeNano-SIMNano-SIM-Nano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYes-Yes
4G/ LTEYesYes-Yes
sim 2
SIM TypeNano-SIMNano-SIM-Nano-SIM
GSM/CDMAGSMGSM-GSM
3GYesYes-Yes
4G/ LTEYesYes-Yes
sensors
Face unlockYes-YesYes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYesYesYes