Oppo F7 vs Vivo X21 comparison

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Compare Vivo X21
ratings
Overall NDTV RatingRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.23-inch6.28-inch
ProcessorMediaTek Helio P60 Qualcomm Snapdragon 660
Front Camera25-megapixel 12-megapixel
Rear Camera16-megapixel 12-megapixel + 5-megapixel
RAM4GB6GB
Storage64GB128GB
Battery Capacity3400mAh3200mAh
OSAndroid 8.1Android 8.1
Resolution1080x2280 pixels1080x2280 pixels
general
BrandOppoVivo
ModelF7X21
Release dateMarch 1, 2018March 1, 2018
Launched in IndiaYesYes
Form factorTouchscreenTouchscreen
Dimensions (mm)156.00 x 75.30 x 7.80154.50 x 74.80 x 7.40
Weight (g)158.00156.20
Battery capacity (mAh)34003200
Removable batteryNoNo
ColoursDiamond Black, Moonlight Silver, Solar Red,Black, Gold
SAR value1.27-
Fast charging-Proprietary
display
Screen size (inches)6.236.28
TouchscreenYesYes
Resolution1080x2280 pixels1080x2280 pixels
Protection typeGorilla Glass-
Aspect ratio19:919:9
Pixels per inch (PPI)405-
hardware
Processorocta-core (4x2GHz + 4x2GHz)2.2GHz octa-core
Processor makeMediaTek Helio P60 (MT6771)Qualcomm Snapdragon 660
RAM4GB6GB
Internal storage64GB128GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)256256
camera
Rear camera16-megapixel (f/1.8)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
Rear autofocusPhase detection autofocusPhase detection autofocus
Rear flashLEDLED
Front camera25-megapixel (f/2.0)12-megapixel (f/2.0)
Front flashNo-
software
Operating systemAndroid 8.1Android 8.1
SkinColorOS 5.0FunTouch 4.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 b/g/n/ac802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 4.20Yes, v 5.00
NFCNoNo
InfraredNoNo
USB OTGYesYes
Headphones3.5mm3.5mm
FMYesNo
Number of SIMs22
Wi-Fi DirectYes-
Micro-USB-Yes
sim 1
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sim 2
SIM TypeNano-SIMNano-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
sensors
Fingerprint sensorYesYes
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYesYes
Ambient light sensorYesYes
GyroscopeYesYes

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