Oppo F9 vs Vivo X21 UD comparison

Compare Oppo F9
Compare Vivo X21 UD
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.30-inch6.28-inch
ProcessorMediaTek Helio P60 Qualcomm Snapdragon 660
Front Camera16-megapixel12-megapixel
Rear Camera16-megapixel + 2-megapixel 12-megapixel
RAM4GB6GB
Storage64GB128GB
Battery Capacity3500mAh3200mAh
OSAndroid OreoAndroid 8.1
Resolution1080x2340 pixels1080x2280 pixels
general
BrandOppoVivo
ModelF9X21 UD
Release dateAugust 1, 2018March 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)156.70 x 74.00 x 7.90154.50 x 74.80 x 7.40
Weight (g)169.00156.20
Battery capacity (mAh)35003200
ColoursSunrise Red, Twilight Blue, Starry PurpleRuby Red, Aurora White, Black
display
Screen size (inches)6.306.28
TouchscreenYesYes
Resolution1080x2340 pixels1080x2280 pixels
Aspect ratio19.5:9-
hardware
Processor2GHz octa-coreocta-core
Processor makeMediaTek Helio P60 (MT6771)Qualcomm Snapdragon 660
RAM4GB6GB
Internal storage64GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
Expandable storage up to (GB)256-
camera
Rear camera16-megapixel (f/1.8) + 2-megapixel (f/2.4)12-megapixel
Rear flashYesLED
Front camera16-megapixel12-megapixel
software
Operating systemAndroid OreoAndroid 8.1
SkinColor OS 5.2FunTouch 4.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYes
Bluetooth4.20Yes, v 5.00
USB OTGYesYes
Micro-USBYes-
Headphones3.5mm3.5mm
Number of SIMs22
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYes-
Ambient light sensorYesYes
Gyroscope-Yes
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