Vivo Z3i vs Vivo X23 vs Oppo R17 comparison

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key specs
Display6.30-inch6.41-inch6.40-inch
Processor2.2GHz octa-core2GHz octa-coreocta-core
Front Camera24-megapixel12-megapixel 25-megapixel
Resolution1080x2280 pixels1080x2340 pixels1080x2280 pixels
RAM6GB8GB8GB
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1
Storage128GB128GB128GB
Rear Camera16-megapixel + 2-megapixel12-megapixel + 13-megapixel 16-megapixel + 5-megapixel
Battery Capacity3315mAh3400mAh3500mAh
general
Release dateOctober 2018September 2018August 2018
Launched in IndiaYesNo-
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)155.97 x 75.63 x 8.10157.68 x 74.06 x 7.47-
Weight (g)163.70160.50-
Battery capacity (mAh)331534003500
ColoursAurora Blue and Millennium PowderFashion Orange, Fashion Purple, Midnight Blue, Phantom Purple, Phantom RedStreamer Blue, Neon Purple
Body type-Glass-
Fast charging--VOOC
display
Screen size (inches)6.306.416.40
TouchscreenYesYesYes
Resolution1080x2280 pixels1080x2340 pixels1080x2280 pixels
Aspect ratio19:9-19:9
Pixels per inch (PPI)--374
hardware
Processor2.2GHz octa-core2GHz octa-coreocta-core (2x2GHz + 6x1.7GHz)
Processor makeMediaTek Helio P60Snapdragon 670Qualcomm Snapdragon 670
RAM6GB8GB8GB
Internal storage128GB128GB128GB
Expandable storageYes-No
Expandable storage typemicroSD--
Expandable storage up to (GB)256--
Dedicated microSD slotYes--
camera
Rear camera16-megapixel + 2-megapixel12-megapixel (f/1.8) + 13-megapixel (f/2.4)16-megapixel (f/1.8, 1.22-micron) + 5-megapixel
Front camera24-megapixel12-megapixel (f/2.0)25-megapixel (f/2.0)
Rear autofocus--Phase detection autofocus
Rear flash--Dual LED
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1
SkinFuntouch OSFuntouch OS 4.5ColorOS 5.2
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 ac--
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 4.00Yes, v 5.00
USB OTGYesYes-
USB Type-CNo--
Number of SIMs22-
Micro-USB--Yes
Headphones--3.5mm
sim 1
GSM/CDMACDMAGSM-
3GYes--
4G/ LTEYesYes-
sim 2
GSM/CDMACDMAGSM-
4G/ LTE-Yes-
sensors
Face unlockYesYes-
Fingerprint sensorYesYesYes
Compass/ MagnetometerYesYes-
Proximity sensorYesYesYes
AccelerometerYesYesYes
GyroscopeYes-Yes
Ambient light sensor-YesYes