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 IndiaYesYesYesYes
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)168.00146.00168.00165.00
Battery capacity (mAh)4230300030003080
ColoursDiamond Black, Diamond Blue, Diamond RedLake Blue, Gold, Rose Gold, BlackBlack, Gold, Lake Blue, Rose GoldRose Gold, Gold, Black
Body type-Plastic--
Removable battery-NoNoNo
Wireless charging-No--
display
Screen size (inches)6.205.455.995.50
TouchscreenYesYesYesYes
Resolution720x1520 pixels720x1440 pixels1080x2160 pixels1080x1920 pixels
Protection typeGorilla Glass---
Aspect ratio19:918:918:916:9
Pixels per inch (PPI)271295403-
hardware
Processor1.8GHz octa-core2GHz octa-core (8x2GHz)octa-core (4x2.2GHz + 4x1.8GHz)2GHz octa-core
Processor makeQualcomm Snapdragon 450MediaTek Helio P22Qualcomm Snapdragon 660Qualcomm Snapdragon 625
RAM3GB3GB4GB4GB
Internal storage32GB32GB64GB64GB
Expandable storageYesYesNoYes
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-megapixel12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)12-megapixel
Rear flashYesLEDDual LEDDual LED
Front camera8-megapixel (f/2.2, 1.12-micron)5-megapixel (f/2.2, 1.12-micron)20-megapixel (f/2.2, 1.0-micron)5-megapixel
Rear autofocus-Phase detection autofocusPhase detection autofocus-
Front flash-NoLED-
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
NFC-NoYesNo
Infrared-No-Yes
USB OTG-YesYesYes
USB Type-C-No-Yes
FM-Yes-No
Active 4G on both SIM cards-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 sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
3D face recognition-No--
Gyroscope-NoYesYes
Barometer---No
Temperature sensor---No