Oppo K1 vs Vivo Y83 Pro vs Vivo Y81 comparison

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ratings
Overall NDTV RatingRead Review--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display6.41-inch6.22-inch6.22-inch
ProcessorQualcomm Snapdragon 660MediaTek Helio P22 MediaTek Helio P22
Front Camera25-megapixel8-megapixel 5-megapixel
Rear Camera16-megapixel + 2-megapixel13-megapixel + 2-megapixel 13-megapixel
RAM4GB4GB3GB
Storage64GB64GB32GB
Battery Capacity3600mAh3260mAh3260mAh
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1
Resolution1080x2340 pixels720x1520 pixels720x1520 pixels
general
BrandOppoVivoVivo
ModelK1Y83 ProY81
Release dateFebruary 1, 2019-June 1, 2018
Launched in IndiaYesYesYes
Form factorTouchscreenTouchscreenTouchscreen
Body typePlastic-Plastic
Dimensions (mm)158.30 x 75.50 x 7.40155.20 x 75.20 x 7.70155.06 x 75.00 x 7.77
Weight (g)156.00152.00146.50
Battery capacity (mAh)360032603260
Removable batteryNo--
Wireless chargingNo--
ColoursAstral Blue, Piano BlackBlack, GoldBlack
display
Screen size (inches)6.416.226.22
TouchscreenYesYesYes
Resolution1080x2340 pixels720x1520 pixels720x1520 pixels
Protection typeGorilla GlassGorilla Glass-
Aspect ratio19.5:919:919:9
Pixels per inch (PPI)-270270
hardware
Processor2.2GHz octa-core2GHz octa-core2GHz octa-core
Processor makeQualcomm Snapdragon 660MediaTek Helio P22 (MT6762)MediaTek Helio P22 (MT6762)
RAM4GB4GB3GB
Internal storage64GB64GB32GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256-256
Dedicated microSD slotYes--
camera
Rear camera16-megapixel + 2-megapixel13-megapixel (f/2.2) + 2-megapixel (f/2.4)13-megapixel (f/2.2)
Rear autofocusYesPhase detection autofocusPhase detection autofocus
Rear flashYesLEDLED
Front camera25-megapixel8-megapixel (f/2.2)5-megapixel (f/2.2)
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1
SkinColorOS 5.2Funtouch OS 4.0FunTouch OS 4.0
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac-802.11 b/g/n
GPSYesYesYes
BluetoothYes, v 5.00YesYes, v 5.00
NFCNo--
USB OTGYes--
Micro-USBYesYesYes
HeadphonesYes-3.5mm
FMNo--
Active 4G on both SIM cardsYes--
Number of SIMs--2
Wi-Fi Direct--Yes
sensors
Fingerprint sensorYesYes-
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYes-Yes
Ambient light sensorYesYes-
GyroscopeYes--
sim 1
SIM Type--Nano-SIM
GSM/CDMA--GSM
3G--Yes
4G/ LTE--Yes
sim 2
SIM Type--Nano-SIM
GSM/CDMA--GSM
3G--Yes
4G/ LTE--Yes
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