Realme U1 vs Xiaomi Redmi Note 6 Pro vs Mi A1 comparison

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ratings
Overall NDTV RatingRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.30-inch6.26-inch5.50-inch
Processor2.1GHz octa-coreocta-core2GHz octa-core
Front Camera25-megapixel 20-megapixel + 2-megapixel5-megapixel
Resolution1080x2340 pixels1080x2280 pixels1080x1920 pixels
RAM4GB4GB4GB
OSAndroid 8.1 OreoAndroidAndroid 7.1.2
Storage64GB64GB64GB
Rear Camera13-megapixel + 2-megapixel 12-megapixel + 5-megapixel12-megapixel
Battery Capacity3500mAh4000mAh3080mAh
general
Release dateNovember 2018-September 2017
Launched in IndiaYes-Yes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.00 x 74.00 x 8.00157.91 x 76.38 x 8.26155.40 x 75.80 x 7.30
Weight (g)168.00-165.00
Battery capacity (mAh)350040003080
Removable batteryNoNoNo
Wireless chargingNoNo-
ColoursAmbitious Black, Brave Blue, and Fiery GoldBlack, Blue, Rose GoldRose Gold, Gold, Black
SAR value1.311.05-
Fast charging-Quick Charge 3.0-
display
Screen size (inches)6.306.265.50
TouchscreenYesYesYes
Resolution1080x2340 pixels1080x2280 pixels1080x1920 pixels
Protection typeGorilla Glass--
Aspect ratio19.5:919:916:9
Pixels per inch (PPI)409--
hardware
Processor2.1GHz octa-coreocta-core2GHz octa-core
Processor makeMediaTek Helio P70Qualcomm Snapdragon 636Qualcomm Snapdragon 625
RAM4GB4GB4GB
Internal storage64GB64GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256-128
Dedicated microSD slotYesNo-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)12-megapixel (f/1.9, 1.4-micron) + 5-megapixel12-megapixel
Rear flashLEDYesDual LED
Front camera25-megapixel (f/2.0)20-megapixel (f/2.0, 1.8-micron) + 2-megapixel5-megapixel
Rear autofocus-Yes-
software
Operating systemAndroid 8.1 OreoAndroidAndroid 7.1.2
SkinColorOS 5.2MIUI-
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.20
USB OTGYes-Yes
Micro-USBYesYes-
Headphones3.5mm-3.5mm
FMYes-No
Number of SIMs222
Active 4G on both SIM cardsYesYes-
NFC-NoNo
Infrared--Yes
USB Type-C--Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Face unlockYes--
Fingerprint sensorYesYesYes
Compass/ MagnetometerYes-Yes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYes-Yes
GyroscopeYes-Yes
Barometer--No
Temperature sensor--No