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Oppo F9 vs Oppo Find X vs Vivo X21 comparison

 Compare Oppo F9
Oppo F9
Compare Oppo Find X
Oppo Find X
Compare Vivo X21
Vivo X21
ratings
Overall NDTV RatingRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.30-inch6.42-inch6.28-inch
ProcessorMediaTek Helio P60 Qualcomm Snapdragon 845Qualcomm Snapdragon 660
Front Camera16-megapixel25-megapixel 12-megapixel
Rear Camera16-megapixel + 2-megapixel 16-megapixel + 20-megapixel 12-megapixel + 5-megapixel
RAM4GB8GB6GB
Storage64GB256GB128GB
Battery Capacity3500mAh3730mAh3200mAh
OSAndroid OreoAndroid 8.1Android 8.1
Resolution1080x2340 pixels1080x2340 pixels1080x2280 pixels
general
BrandOppoOppoVivo
ModelF9Find XX21
Release dateAugust 1, 2018June 1, 2018March 1, 2018
Launched in IndiaYesYesYes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.70 x 74.00 x 7.90156.70 x 74.30 x 9.40154.50 x 74.80 x 7.40
Weight (g)169.00186.00156.20
Battery capacity (mAh)350037303200
ColoursSunrise Red, Twilight Blue, Starry PurpleBordeaux Red, Glacier BlueBlack, Gold
Body type-Glass-
Removable battery-NoNo
Fast charging-VOOCProprietary
display
Screen size (inches)6.306.426.28
TouchscreenYesYesYes
Resolution1080x2340 pixels1080x2340 pixels1080x2280 pixels
Aspect ratio19.5:919.5:919:9
Protection type-Gorilla Glass-
hardware
Processor2GHz octa-core2.5GHz octa-core (4x2.8GHz + 4x1.7GHz)2.2GHz octa-core
Processor makeMediaTek Helio P60 (MT6771)Qualcomm Snapdragon 845Qualcomm Snapdragon 660
RAM4GB8GB6GB
Internal storage64GB256GB128GB
Expandable storageYes-Yes
Expandable storage typemicroSD-microSD
Expandable storage up to (GB)256-256
camera
Rear camera16-megapixel (f/1.8) + 2-megapixel (f/2.4)16-megapixel (f/2.0, 1.22-micron) + 20-megapixel (f/2.0, 1.0-micron)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
Rear flashYesLEDLED
Front camera16-megapixel25-megapixel (f/2.0)12-megapixel (f/2.0)
Rear autofocus-Phase detection autofocusPhase detection autofocus
Pop-Up Camera-Yes-
software
Operating systemAndroid OreoAndroid 8.1Android 8.1
SkinColor OS 5.2Color OS 5.1FunTouch 4.0
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
Bluetooth4.20Yes, v 5.00Yes, v 5.00
USB OTGYes-Yes
Micro-USBYes-Yes
Headphones3.5mmNo3.5mm
Number of SIMs222
USB Type-C-Yes-
NFC--No
Infrared--No
FM--No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSM + CDMAGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSM + CDMAGSM
3GYes-Yes
4G/ LTEYes-Yes
sensors
Fingerprint sensorYes-Yes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYes-Yes
Face unlock-Yes-
Gyroscope-YesYes

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