Oppo R17 Pro vs Vivo X21 vs Apple iPhone X comparison

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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
Display6.40-inch6.28-inch5.80-inch
ProcessorQualcomm Snapdragon 710Qualcomm Snapdragon 660Apple A11 Bionic
Front Camera25-megapixel 12-megapixel 7-megapixel
Rear Camera12-megapixel + 20-megapixel 12-megapixel + 5-megapixel 12-megapixel + 12-megapixel
RAM8GB6GB3GB
Storage128GB128GB64GB
Battery Capacity3700mAh3200mAh2716mAh
OSAndroid 8.1 OreoAndroid 8.1iOS 11
Resolution1080x2340 pixels1080x2280 pixels1125x2436 pixels
general
BrandOppoVivoApple
ModelR17 ProX21iPhone X
Release dateAugust 2018March 2018September 2017
Launched in IndiaNoYesYes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)157.60 x 74.60 x 7.90154.50 x 74.80 x 7.40143.60 x 70.90 x 7.70
Weight (g)183.00156.20174.00
Battery capacity (mAh)370032002716
Removable batteryYesNoNo
Fast chargingSuper VOOCProprietaryProprietary
ColoursFog GradientBlack, Gold-
display
Screen size (inches)6.406.285.80
TouchscreenYesYesYes
Resolution1080x2340 pixels1080x2280 pixels1125x2436 pixels
Protection typeGorilla Glass--
Aspect ratio19.5:919:919.5:9
Pixels per inch (PPI)--458
hardware
Processor2.2GHz octa-core (2x2.2GHz + 6x1.7GHz)2.2GHz octa-core2.39GHz hexa-core
Processor makeQualcomm Snapdragon 710Qualcomm Snapdragon 660Apple A11 Bionic
RAM8GB6GB3GB
Internal storage128GB128GB64GB
Expandable storageYesYesNo
Expandable storage type-microSD-
Expandable storage up to (GB)-256-
camera
Rear camera12-megapixel (f/1.5-2.4, 1.4-micron) + 20-megapixel (f/2.6)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)12-megapixel (f/1.8, 1.22-micron) + 12-megapixel (f/2.4, 1.0-micron)
Rear autofocusPhase detection autofocusPhase detection autofocusPhase detection autofocus
Rear flashLEDLEDDual LED
Front camera25-megapixel (f/2.0)12-megapixel (f/2.0)7-megapixel (f/2.2)
software
Operating systemAndroid 8.1 OreoAndroid 8.1iOS 11
SkinColorOS 5.2FunTouch 4.0-
connectivity
Wi-FiYesYesYes
GPSYesYesYes
Bluetooth5.00Yes, v 5.00Yes, v 5.00
NFCYesNoYes
USB Type-CYes--
Number of SIMs221
Wi-Fi standards supported-802.11 a/b/g/n/ac802.11 a/b/g/n/ac
Infrared-NoNo
USB OTG-YesNo
Micro-USB-Yes-
Headphones-3.5mm-
FM-NoNo
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIM-
GSM/CDMAGSMGSM-
3GYesYes-
4G/ LTEYesYes-
sensors
Fingerprint sensorYesYes-
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
Face unlock--Yes
Barometer--Yes
Temperature sensor--No
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