Oppo F9 Pro vs Vivo Nex vs Oppo F7 vs Vivo X21 comparison

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ratings
Overall NDTV RatingRead ReviewRead ReviewRead ReviewRead Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display6.30-inch6.59-inch6.23-inch6.28-inch
Processor2GHz octa-core2.8GHz octa-coreocta-core 2.2GHz octa-core
Front Camera25-megapixel 8-megapixel 25-megapixel 12-megapixel
Resolution1080x2340 pixels1080x2316 pixels1080x2280 pixels1080x2280 pixels
RAM6GB8GB4GB6GB
OSAndroid OreoAndroid 8.1 OreoAndroid 8.1Android 8.1
Storage64GB128GB64GB128GB
Rear Camera16-megapixel + 2-megapixel 12-megapixel + 5-megapixel 16-megapixel 12-megapixel + 5-megapixel
Battery Capacity3500mAh4000mAh3400mAh3200mAh
general
Release dateAugust 2018July 2018March 2018March 2018
Launched in IndiaYesYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.70 x 74.00 x 7.90162.00 x 77.00 x 7.98156.00 x 75.30 x 7.80154.50 x 74.80 x 7.40
Weight (g)169.00199.00158.00156.20
Battery capacity (mAh)3500400034003200
Fast chargingVOOC--Proprietary
ColoursSunrise Red, Twilight Blue, Starry PurpleBlackDiamond Black, Moonlight Silver, Solar Red,Black, Gold
Removable battery-NoNoNo
SAR value--1.27-
display
Screen size (inches)6.306.596.236.28
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2316 pixels1080x2280 pixels1080x2280 pixels
Aspect ratio19.5:919.3:919:919:9
Protection type--Gorilla Glass-
Pixels per inch (PPI)--405-
hardware
Processor2GHz octa-core2.8GHz octa-coreocta-core (4x2GHz + 4x2GHz)2.2GHz octa-core
Processor makeMediaTek Helio P60Qualcomm Snapdragon 845MediaTek Helio P60Qualcomm Snapdragon 660
RAM6GB8GB4GB6GB
Internal storage64GB128GB64GB128GB
Expandable storageYesNoYesYes
Expandable storage typemicroSD-microSDmicroSD
Expandable storage up to (GB)256-256256
Dedicated microSD slotYes---
camera
Rear camera16-megapixel (f/1.8) + 2-megapixel (f/2.4)12-megapixel (f/1.8) + 5-megapixel (f/2.4)16-megapixel (f/1.8)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)
Rear autofocusYes-Phase detection autofocusPhase detection autofocus
Rear flashYesLEDLEDLED
Front camera25-megapixel (f/2.0)8-megapixel (f/2.0)25-megapixel (f/2.0)12-megapixel (f/2.0)
Front flash--No-
software
Operating systemAndroid OreoAndroid 8.1 OreoAndroid 8.1Android 8.1
SkinColor OS 5.2Funtouch OS 4.0ColorOS 5.0FunTouch 4.0
connectivity
Wi-FiYesYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes, v 4.20Yes, v 5.00
NFCNo-NoNo
InfraredNo-NoNo
USB OTGYesYesYesYes
Micro-USBYes--Yes
LightningNo---
Headphones3.5mm3.5mm3.5mm3.5mm
Number of SIMs2222
USB Type-C-Yes--
FM-NoYesNo
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYes---
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
Gyroscope-YesYesYes