Realme U1 vs Xiaomi Redmi Note 6 Pro 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 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-