Realme 2 vs Redmi 6 vs Xiaomi Mi A2 vs Mi A1 comparison

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ratings
Overall NDTV Rating-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
general
Release dateAugust 2018June 2018July 2018September 2017
Launched in IndiaYesYes--
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.20 x 75.60 x 8.20147.50 x 71.50 x 8.30158.70 x 75.40 x 7.30155.40 x 75.80 x 7.30
Weight (g)168.00146.00168.00168.00
Battery capacity (mAh)4230300030003080
ColoursDiamond Black, Diamond Blue, Diamond RedBlue, Gold, Rose Gold, BlackBlack, Gold, Lake Blue, Rose GoldRose Gold, Gold, Black
Body type-Metal--
Removable battery--NoNo
display
Screen size (inches)6.205.455.995.50
TouchscreenYesYesYesYes
Resolution720x1520 pixels720x1440 pixels1080x2160 pixels1080x1920 pixels
Protection typeGorilla Glass---
Aspect ratio19:918:9--
Pixels per inch (PPI)271---
hardware
Processor1.8GHz octa-core2GHz octa-core1.8GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 450MediaTek Helio P22Qualcomm Snapdragon 660Qualcomm Snapdragon 625
RAM3GB3GB4GB4GB
Internal storage32GB32GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256-128
Dedicated microSD slot-Yes--
camera
Rear camera13-megapixel (f/2.2, 1.12-micron) + 2-megapixel (f/2.4, 1.75-micron)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel20-megapixel12-megapixel
Rear flashYesDual LEDLEDDual LED
Front camera8-megapixel (f/2.2, 1.12-micron)5-megapixel (f/2.2, 1.12-micron)20-megapixel5-megapixel
Front flash--Yes-
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 8.1 OreoAndroid 7.1.2
SkinColorOS 5.1MIUI 9.6--
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 4.20Yes, v 5.00Yes, v 4.20
Micro-USBYesYes--
Headphones3.5mm3.5mmNo3.5mm
Number of SIMs2222
Wi-Fi standards supported-802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac
USB OTG-YesYesYes
FM-Yes-No
Active 4G on both SIM cards-Yes--
NFC--YesNo
Infrared---Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYesYes--
Fingerprint sensorYesYes--
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
Gyroscope-YesYesYes
Barometer---No
Temperature sensor---No