Realme U1 vs Vivo Y81 vs Xiaomi Redmi 6 Pro 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 2018June 2018September 2018-
Launched in IndiaYesYesYes-
Form factorTouchscreenTouchscreenTouchscreen-
Dimensions (mm)157.00 x 74.00 x 8.00155.06 x 75.00 x 7.77149.33 x 71.68 x 8.75-
Weight (g)168.00146.50178.00-
Battery capacity (mAh)350032604000-
Removable batteryNo-No-
Wireless chargingNo-No-
ColoursAmbitious Black, Brave Blue, and Fiery GoldBlackGold, Blue, Black, Red-
SAR value1.31-0.96-
Body type-PlasticMetal-
display
Screen size (inches)6.306.225.84-
TouchscreenYesYesYes-
Resolution1080x2340 pixels720x1520 pixels1080x2280 pixels-
Protection typeGorilla Glass---
Aspect ratio19.5:919:919:9-
Pixels per inch (PPI)409270432-
hardware
Processor2.1GHz octa-core2GHz octa-core2GHz octa-core (8x2GHz)-
Processor makeMediaTek Helio P70MediaTek MT6762Qualcomm Snapdragon 625-
RAM4GB3GB4GB-
Internal storage64GB32GB64GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)256256256-
Dedicated microSD slotYes-Yes-
camera
Rear camera13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel-
Rear flashLEDLEDLED-
Front camera25-megapixel (f/2.0)5-megapixel (f/2.2)5-megapixel-
Rear autofocus-Phase detection autofocusPhase detection autofocus-
Front flash--No-
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo-
SkinColorOS 5.2FunTouch OS 4.0MIUI 9.6-
connectivity
Wi-FiYesYesYes-
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n802.11 a/b/g/n-
GPSYesYesYes-
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.20-
USB OTGYes-Yes-
Micro-USBYesYesYes-
Headphones3.5mm3.5mm3.5mm-
FMYes-Yes-
Number of SIMs222-
Active 4G on both SIM cardsYes-No-
NFC--No-
Infrared--Yes-
USB Type-C--No-
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-Yes-
Fingerprint sensorYes-Yes-
Compass/ MagnetometerYesYesYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
Ambient light sensorYes-Yes-
GyroscopeYes-Yes-
3D face recognition--No-