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Vivo Y91i vs Realme U1 vs Oppo A3 comparison

 Compare Vivo Y91i
Vivo Y91i
Compare Realme U1
Realme U1
Compare Oppo A3s
Oppo A3s
key specs
Display6.22-inch6.30-inch6.20-inch
ProcessorMediaTek Helio P22 MediaTek Helio P70Qualcomm Snapdragon 450
Front Camera5-megapixel 25-megapixel 8-megapixel
Rear Camera13-megapixel 13-megapixel + 2-megapixel 13-megapixel + 2-megapixel
RAM2GB4GB2GB
Storage16GB64GB16GB
Battery Capacity4030mAh3500mAh4230mAh
OSAndroid 8.1Android 8.1 OreoAndroid 8.1 Oreo
Resolution720x1520 pixels1080x2340 pixels720x1520 pixels
general
BrandVivoRealmeOppo
ModelY91iU1A3s
Release dateMarch 1, 2019November 1, 2018-
Launched in IndiaYesYes-
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)155.11 x 75.09 x 8.28157.00 x 74.00 x 8.00156.20 x 75.60 x 8.20
Weight (g)163.50168.00168.00
Battery capacity (mAh)403035004230
ColoursFusion Black, Ocean BlueAmbitious Black, Brave Blue, and Fiery GoldRed, Dark Purple
Removable battery-No-
Wireless charging-No-
SAR value-1.31-
display
Screen size (inches)6.226.306.20
TouchscreenYesYesYes
Resolution720x1520 pixels1080x2340 pixels720x1520 pixels
Aspect ratio19:919.5:919:9
Protection type-Gorilla Glass-
Pixels per inch (PPI)-409-
hardware
Processorocta-core2.1GHz octa-core1.8GHz octa-core
Processor makeMediaTek Helio P22 (MT6762)MediaTek Helio P70Qualcomm Snapdragon 450
RAM2GB4GB2GB
Internal storage16GB64GB16GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)-256256
Dedicated microSD slot-Yes-
camera
Rear camera13-megapixel (f/2.2)13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)
Rear autofocusYes-Yes
Rear flashYesLEDLED
Front camera5-megapixel (f/1.8)25-megapixel (f/2.0)8-megapixel (f/2.2)
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 8.1 Oreo
SkinFuntouch OS 4.5ColorOS 5.2ColorOS 5.1
connectivity
Wi-FiYesYesYes
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 4.20Yes, v 4.20
USB OTGYesYes-
Micro-USBYesYesYes
Headphones3.5mm3.5mm3.5mm
FMYesYes-
Number of SIMs22-
Wi-Fi standards supported-802.11 a/b/g/n/ac-
Active 4G on both SIM cards-Yes-
Wi-Fi Direct--Yes
sim 1
SIM TypeNano-SIMNano-SIM-
GSM/CDMAGSMGSM-
3GYesYes-
4G/ LTEYesYes-
sim 2
SIM TypeNano-SIMNano-SIM-
GSM/CDMAGSMGSM-
3GYesYes-
4G/ LTEYesYes-
sensors
Face unlockYesYes-
Fingerprint sensorNoYes-
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYes-
GyroscopeYesYes-
ratings
Overall NDTV Rating-Read Review-
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--

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