Vivo Y91 vs Realme U1 vs Lava Z81 vs Nokia 6.1 Plus comparison

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ratings
Overall NDTV Rating-Read Review-Read Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display6.22-inch6.30-inch5.70-inch5.80-inch
Processorocta-core2.1GHz octa-core2GHz quad-coreocta-core
Front Camera8-megapixel 25-megapixel 13-megapixel16-megapixel
Resolution720x1520 pixels1080x2340 pixels720x1440 pixels1080x2280 pixels
RAM2GB4GB2GB4GB
OSAndroid 8.1Android 8.1 OreoAndroid 8.1 OreoAndroid 8.1
Storage32MB64GB32GB64GB
Rear Camera13-megapixel + 2-megapixel 13-megapixel + 2-megapixel 13-megapixel16-megapixel + 5-megapixel
Battery Capacity4030mAh3500mAh3000mAh3060mAh
general
Release dateJanuary 2019November 2018November 2018July 2018
Launched in IndiaYesYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28157.00 x 74.00 x 8.00152.20 x 73.00 x 7.90147.20 x 70.98 x 8.59
Weight (g)163.50168.00141.60151.00
Battery capacity (mAh)4030350030003060
ColoursStarry Black, Ocean BlueAmbitious Black, Brave Blue, and Fiery GoldBlack and GoldGloss White, Gloss Midnight Blue, Gloss Black
Removable battery-No--
Wireless charging-No--
SAR value-1.31--
display
Screen size (inches)6.226.305.705.80
TouchscreenYesYesYesYes
Resolution720x1520 pixels1080x2340 pixels720x1440 pixels1080x2280 pixels
Protection type-Gorilla GlassGorilla GlassGorilla Glass
Aspect ratio-19.5:918:919:9
Pixels per inch (PPI)-409282-
hardware
Processorocta-core2.1GHz octa-core2GHz quad-coreocta-core
Processor makeMediaTek Helio P22 (MTK6762R)MediaTek Helio P70MediaTek Helio A22Qualcomm Snapdragon 636
RAM2GB4GB2GB4GB
Internal storage32MB64GB32GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)256256128400
Dedicated microSD slotYesYes--
camera
Rear camera13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel16-megapixel (f/2.0) + 5-megapixel
Rear flashLEDLED-Dual LED
Front camera8-megapixel (f/f/1.8)25-megapixel (f/2.0)13-megapixel16-megapixel (f/2.0)
Front flashNo---
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 8.1 OreoAndroid 8.1
SkinFuntouch OS 4.5ColorOS 5.2Star OS 5.0-
connectivity
Wi-FiYesYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.10Yes, v 5.00
NFCNo---
Micro-USBYesYesYes-
Headphones3.5mm3.5mm-3.5mm
Number of SIMs2222
Active 4G on both SIM cardsYesYesYes-
Wi-Fi standards supported-802.11 a/b/g/n/ac802.11 b/g/n802.11 a/b/g/n/ac
GPS-YesYesYes
USB OTG-Yes-Yes
FM-YesYesYes
USB Type-C---Yes
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYes-
4G/ LTEYesYesYesYes
sensors
Face unlockYesYesYes-
Fingerprint sensorYesYesYes-
Compass/ MagnetometerYesYesNoYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
GyroscopeYesYes-Yes