Oppo F7 vs Vivo X21 vs Samsung Galaxy S8 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
Display6.23-inch6.28-inch5.80-inch
ProcessorMediaTek Helio P60 Qualcomm Snapdragon 660Samsung Exynos 8895
Front Camera25-megapixel 12-megapixel 8-megapixel
Rear Camera16-megapixel 12-megapixel + 5-megapixel 12-megapixel
RAM4GB6GB4GB
Storage64GB128GB64GB
Battery Capacity3400mAh3200mAh3000mAh
OSAndroid 8.1Android 8.1Android 7.0
Resolution1080x2280 pixels1080x2280 pixels1440x2960 pixels
general
BrandOppoVivoSamsung
ModelF7X21Galaxy S8
Release dateMarch 1, 2018March 1, 2018March 1, 2017
Launched in IndiaYesYesYes
Form factorTouchscreenTouchscreenTouchscreen
Dimensions (mm)156.00 x 75.30 x 7.80154.50 x 74.80 x 7.40148.90 x 68.10 x 8.00
Weight (g)158.00156.20155.00
Battery capacity (mAh)340032003000
Removable batteryNoNoNo
ColoursDiamond Black, Moonlight Silver, Solar Red,Black, GoldMidnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold
SAR value1.27--
Fast charging-ProprietaryQuick Charge 2.0
display
Screen size (inches)6.236.285.80
TouchscreenYesYesYes
Resolution1080x2280 pixels1080x2280 pixels1440x2960 pixels
Protection typeGorilla Glass-Gorilla Glass
Aspect ratio19:919:918.5:9
Pixels per inch (PPI)405-570
hardware
Processorocta-core (4x2GHz + 4x2GHz)2.2GHz octa-coreocta-core (4x2.35GHz + 4x1.9GHz)
Processor makeMediaTek Helio P60 (MT6771)Qualcomm Snapdragon 660Samsung Exynos 8895
RAM4GB6GB4GB
Internal storage64GB128GB64GB
Expandable storageYesYesYes
Expandable storage typemicroSDmicroSDmicroSD
Expandable storage up to (GB)256256256
camera
Rear camera16-megapixel (f/1.8)12-megapixel (f/1.8, 1.4-micron) + 5-megapixel (f/2.4)12-megapixel (f/1.7, 1.4-micron)
Rear autofocusPhase detection autofocusPhase detection autofocusPhase detection autofocus
Rear flashLEDLEDDual LED
Front camera25-megapixel (f/2.0)12-megapixel (f/2.0)8-megapixel (f/1.7, 1.22-micron)
Front flashNo--
Front autofocus--Yes
software
Operating systemAndroid 8.1Android 8.1Android 7.0
SkinColorOS 5.0FunTouch 4.0-
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 b/g/n/ac802.11 a/b/g/n/ac802.11 a/b/g/n/ac
GPSYesYesYes
BluetoothYes, v 4.20Yes, v 5.00Yes
NFCNoNoYes
InfraredNoNoNo
USB OTGYesYesNo
Headphones3.5mm3.5mm3.5mm
FMYesNoNo
Number of SIMs221
Wi-Fi DirectYes-No
Micro-USB-Yes-
USB Type-C--Yes
Mobile High-Definition Link (MHL)--No
sim 1
SIM TypeNano-SIMNano-SIM-
GSM/CDMAGSMGSMGSM
3GYesYesYes
4G/ LTEYesYesYes
sim 2
SIM TypeNano-SIMNano-SIM-
GSM/CDMAGSMGSM-
3GYesYes-
4G/ LTEYesYes-
sensors
Fingerprint sensorYesYesYes
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesYes
Barometer--Yes
Temperature sensor--No

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