Oppo R17 Pro vs Vivo X21 vs Apple iPhone X comparison

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ratings
Overall NDTV Rating--
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
general
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-