Vivo Nex S vs Vivo Z1 vs Vivo X21 vs OnePlus 6 comparison

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ratings
Overall NDTV Rating--Read ReviewRead Review
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display6.59-inch6.26-inch6.28-inch6.28-inch
Processor2.2GHz octa-core2.2GHz octa-core2.2GHz octa-core2.8GHz octa-core
Front Camera8-megapixel12-megapixel12-megapixel 16-megapixel
Resolution1080x2316 pixels1080x2280 pixels1080x2280 pixels1080x2280 pixels
RAM8GB4GB6GB8GB
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
Storage128GB16GB128GB128GB
Rear Camera12-megapixel13-megapixel12-megapixel + 5-megapixel 16-megapixel + 20-megapixel
Battery Capacity4000mAh3260mAh3200mAh3300mAh
general
Release dateJune 2018April 2018March 2018May 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)162.00 x 77.00 x 7.98154.81 x 75.03 x 7.89154.50 x 74.80 x 7.40155.70 x 75.40 x 7.75
Weight (g)199.00149.30156.20177.00
Battery capacity (mAh)4000326032003300
Removable batteryNoNoNoNo
Fast chargingProprietary-Proprietary-
ColoursRuby Red, Star Diamond BlackPorcelain Glaze Black, Hyun Screen Red, and Sapphire BlueBlack, GoldMirror Black, Midnight Black, Silk White
Launched in India--YesYes
display
Screen size (inches)6.596.266.286.28
TouchscreenYesYesYesYes
Resolution1080x2316 pixels1080x2280 pixels1080x2280 pixels1080x2280 pixels
Pixels per inch (PPI)388--402
Aspect ratio--19:919:9
Protection type---Gorilla Glass
hardware
Processor2.2GHz octa-core2.2GHz octa-core2.2GHz octa-core2.8GHz octa-core (4x2.8GHz + 4x1.7GHz)
Processor makeQualcomm Snapdragon 845Qualcomm Snapdragon 660Qualcomm Snapdragon 660Snapdragon 845
RAM8GB4GB6GB8GB
Internal storage128GB16GB128GB128GB
Expandable storageNoYesYesNo
Expandable storage type-microSDmicroSD-
Expandable storage up to (GB)-256256-
camera
Rear camera12-megapixel13-megapixel12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)16-megapixel (f/1.7, 1.22-micron) + 20-megapixel (f/1.7, 1.0-micron)
Rear flashLEDLEDLEDDual LED
Front camera8-megapixel12-megapixel12-megapixel (f/2.0)16-megapixel (f/2.0, 1.0-micron)
Rear autofocus--Phase detection autofocusPhase detection autofocus
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 8.1Android 8.1 Oreo
SkinFuntouch OS 4.0FunTouch OSFunTouch 4.0OxygenOS 5.1
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 5.00YesYes, v 5.00Yes, v 5.00
USB OTGYesYesYesYes
FMNo-No-
Number of SIMs2222
NFC--NoYes
Infrared--NoNo
Micro-USB--Yes-
Headphones--3.5mm3.5mm
USB Type-C---Yes
sim 1
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sim 2
SIM TypeNano-SIM-Nano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sensors
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYes-YesYes
GyroscopeYesYesYesYes
Fingerprint sensor--YesYes
Face unlock---Yes