Realme U1 vs Xiaomi Redmi Note 4 vs Nokia 5.1 Plus 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-inch5.50-inch5.86-inch-
Processor2.1GHz octa-core2GHz octa-core1.8GHz octa-core-
Front Camera25-megapixel 5-megapixel 8-megapixel -
Resolution1080x2340 pixels1080x1920 pixels720x1520 pixels-
RAM4GB4GB3GB-
OSAndroid 8.1 OreoAndroid 6.0Android 8.1-
Storage64GB64GB32GB-
Rear Camera13-megapixel + 2-megapixel 13-megapixel 13-megapixel + 5-megapixel-
Battery Capacity3500mAh4100mAh3060mAh-
general
Release dateNovember 2018August 2016August 2018-
Launched in IndiaYesYesYes-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)157.00 x 74.00 x 8.00151.00 x 76.00 x 8.30149.51 x 71.98 x 8.10-
Weight (g)168.00175.00160.00-
Battery capacity (mAh)350041003060-
Removable batteryNoNoNo-
Wireless chargingNo-No-
ColoursAmbitious Black, Brave Blue, and Fiery GoldGold, Grey, Matte BlackGloss Black, Gloss White, Midnight Gloss Blue-
SAR value1.31---
display
Screen size (inches)6.305.505.86-
TouchscreenYesYesYes-
Resolution1080x2340 pixels1080x1920 pixels720x1520 pixels-
Protection typeGorilla Glass---
Aspect ratio19.5:916:919:9-
Pixels per inch (PPI)409401--
hardware
Processor2.1GHz octa-core2GHz octa-core1.8GHz octa-core-
Processor makeMediaTek Helio P70Qualcomm Snapdragon 625MediaTek Helio P60-
RAM4GB4GB3GB-
Internal storage64GB64GB32GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)256128400-
Dedicated microSD slotYes-No-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.0, 1.12-micron)13-megapixel (f/2.0) + 5-megapixel-
Rear flashLEDDual LEDLED-
Front camera25-megapixel (f/2.0)5-megapixel (f/2.0)8-megapixel (f/2.2)-
Rear autofocus-Phase detection autofocusPhase detection autofocus-
Front autofocus--No-
software
Operating systemAndroid 8.1 OreoAndroid 6.0Android 8.1-
SkinColorOS 5.2MIUI 8--
connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n802.11 a/b/g/n/ac-
GPSYesYesYes-
BluetoothYes, v 4.20Yes, v 4.10Yes, v 4.20-
USB OTGYesYesYes-
Micro-USBYesYes--
Headphones3.5mm3.5mm3.5mm-
FMYesYesYes-
Number of SIMs222-
Active 4G on both SIM cardsYes-Yes-
NFC-NoNo-
Infrared-Yes--
USB Type-C--Yes-
sim 1
SIM TypeNano-SIMMicro-SIMNano-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/ LTEYesYesYes-
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/ LTEYesYesYes-
sensors
Face unlockYes-Yes-
Fingerprint sensorYesYes--
Compass/ MagnetometerYesYesYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYesYesYes-
GyroscopeYesYesYes-
Barometer-No--
Temperature sensor-No--