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Oppo Reno 4 Pro vs Vivo X21 UD comparison

 Compare Oppo Reno 4 Pro
Oppo Reno 4 Pro
Compare Vivo X21 UD
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
Display6.50-inch6.28-inch
Front Camera32-megapixel 12-megapixel
Rear Camera48-megapixel + 8-megapixel + 2-megapixel + 2-megapixel 12-megapixel
RAM8GB6GB
Storage128GB128GB
Battery Capacity4000mAh3200mAh
OSAndroid 10Android 8.1
Resolution1080x2400 pixels1080x2280 pixels
Processor-Qualcomm Snapdragon 660
general
BrandOppoVivo
ModelReno 4 ProX21 UD
Release dateJuly 31, 2020March 1, 2018
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Dimensions (mm)160.20 x 73.20 x 7.70154.50 x 74.80 x 7.40
Weight (g)161.00156.20
Battery capacity (mAh)40003200
Fast chargingProprietary-
ColoursStarry Night, Silky WhiteRuby Red, Aurora White, Black
display
Screen size (inches)6.506.28
TouchscreenYesYes
Resolution1080x2400 pixels1080x2280 pixels
Aspect ratio20:9-
Pixels per inch (PPI)402-
hardware
Processor makeQualcomm Snapdragon 720GQualcomm Snapdragon 660
RAM8GB6GB
Internal storage128GB128GB
Expandable storageYes-
Expandable storage typemicroSD-
Processor-octa-core
camera
Rear camera48-megapixel (1.7-micron) + 8-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)12-megapixel
Rear autofocusYes-
Rear flashYesLED
Front camera32-megapixel (f/2.4)12-megapixel
software
Operating systemAndroid 10Android 8.1
SkinColorOS 7.2FunTouch 4.0
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 a/b/g/n/ac
GPSYesYes
BluetoothYes, v 5.10Yes, v 5.00
USB Type-CYes-
Headphones3.5mm3.5mm
Number of SIMs22
USB OTG-Yes
sim 1
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sim 2
SIM TypeNano-SIMMicro-SIM
GSM/CDMAGSMGSM
3GYesYes
4G/ LTEYesYes
5GYes-
sensors
Face unlockYes-
Fingerprint sensorYes-
In-Display Fingerprint SensorYes-
Compass/ MagnetometerYesYes
Proximity sensorYesYes
AccelerometerYes-
Ambient light sensorYesYes
GyroscopeYesYes

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