Vivo X21 vs OnePlus 6 vs OnePlus 3T comparison

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ratings
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Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.28-inch6.28-inch5.50-inch
ProcessorQualcomm Snapdragon 660Qualcomm Snapdragon 845Qualcomm Snapdragon 821
Front Camera12-megapixel 16-megapixel 16-megapixel
Rear Camera12-megapixel + 5-megapixel 16-megapixel + 20-megapixel 16-megapixel
RAM6GB8GB6GB
Storage128GB128GB64GB
Battery Capacity3200mAh3300mAh3400mAh
OSAndroid 8.1Android 8.1 OreoAndroid 6.0.1
Resolution1080x2280 pixels1080x2280 pixels1080x1920 pixels
general
BrandVivoOnePlusOnePlus
ModelX2163T
Release dateMarch 1, 2018May 1, 2018November 1, 2016
Launched in IndiaYesYes-
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)154.50 x 74.80 x 7.40155.70 x 75.40 x 7.75152.70 x 74.70 x 7.35
Weight (g)156.20177.00158.00
Battery capacity (mAh)320033003400
Removable batteryNoNoNo
Fast chargingProprietary--
ColoursBlack, GoldMirror Black, Midnight Black, Silk WhiteGunmetal, Soft Gold
SAR value--0.78
display
Screen size (inches)6.286.285.50
TouchscreenYesYesYes
Resolution1080x2280 pixels1080x2280 pixels1080x1920 pixels
Aspect ratio19:919:9-
Protection type-Gorilla Glass-
Pixels per inch (PPI)-402401
hardware
Processor2.2GHz octa-core2.8GHz octa-core (4x2.8GHz + 4x1.7GHz)1.6GHz quad-core
Processor makeQualcomm Snapdragon 660Qualcomm Snapdragon 845Qualcomm Snapdragon 821
RAM6GB8GB6GB
Internal storage128GB128GB64GB
Expandable storageYesNoNo
Expandable storage typemicroSD--
Expandable storage up to (GB)256--
camera
Rear camera12-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)16-megapixel
Rear autofocusPhase detection autofocusPhase detection autofocus-
Rear flashLEDDual LEDLED
Front camera12-megapixel (f/2.0)16-megapixel (f/2.0, 1.0-micron)16-megapixel
software
Operating systemAndroid 8.1Android 8.1 OreoAndroid 6.0.1
SkinFunTouch 4.0OxygenOS 5.1OxygenOS 3.5.3
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 5.00Yes, v 4.20
NFCNoYesYes
InfraredNoNoNo
USB OTGYesYesYes
Micro-USBYes--
Headphones3.5mm3.5mm3.5mm
FMNo-No
Number of SIMs222
USB Type-C-Yes-
Wi-Fi Direct--No
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sensors
Fingerprint sensorYesYes-
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
Face unlock-Yes-
Barometer--No
Temperature sensor--No
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