Realme U1 vs Vivo Y81 vs Xiaomi Redmi 6 Pro comparison

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ratings
Overall NDTV RatingRead Review-Read Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.30-inch6.22-inch5.84-inch
Processor2.1GHz octa-core2GHz octa-core2GHz octa-core
Front Camera25-megapixel 5-megapixel 5-megapixel
Resolution1080x2340 pixels720x1520 pixels1080x2280 pixels
RAM4GB3GB4GB
OSAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
Storage64GB32GB64GB
Rear Camera13-megapixel + 2-megapixel 13-megapixel 12-megapixel + 5-megapixel
Battery Capacity3500mAh3260mAh4000mAh
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