Vivo X23 Symphony Edition vs Oppo A7 vs Samsung Galaxy A9 (2018) vs Oppo F9 Pro 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 dateNovember 2018November 2018October 2018August 2018
Launched in IndiaNoYes-Yes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Body typeGlassPlastic--
Battery capacity (mAh)3400423038003500
ColoursArctic Morning and Starry Night OceanGlaring Gold, Glaze Blue-Sunrise Red, Twilight Blue, Starry Purple
Dimensions (mm)-155.90 x 75.40 x 8.10162.50 x 77.00 x 7.80156.70 x 74.00 x 7.90
Weight (g)-168.00183.00169.00
Removable battery-No--
SAR value-1.37--
Fast charging---VOOC
display
Screen size (inches)6.416.206.306.30
TouchscreenYesYesYesYes
Resolution1080x2340 pixels-1080x2220 pixels1080x2340 pixels
Aspect ratio-19.5:9-19.5:9
hardware
Processor2.2GHz octa-core-octa-core (4x2.2GHz + 4x1.8GHz)2GHz octa-core
Processor makeSnapdragon 660Qualcomm Snapdragon 450Qualcomm Snapdragon 660MediaTek Helio P60
RAM6GB4GB6GB6GB
Internal storage128GB64GB128GB64GB
Expandable storage-YesYesYes
Expandable storage type-microSDmicroSDmicroSD
Expandable storage up to (GB)-256512256
Dedicated microSD slot-Yes-Yes
camera
Rear camera12-megapixel (f/1.8) + 13-megapixel (f/2.4)13-megapixel (f/2.2) + 2-megapixel (f/2.4)24-megapixel (f/1.7) + 10-megapixel (f/2.4) + 8-megapixel (f/2.4) + 5-megapixel (f/2.0)16-megapixel (f/1.8) + 2-megapixel (f/2.4)
Front camera24.8-megapixel16-megapixel24-megapixel (f/2.0)25-megapixel (f/2.0)
Rear autofocus-YesYesYes
Rear flash-Yes-Yes
Front autofocus-No--
Front flash-No--
software
Operating systemAndroid 8.1 OreoAndroid 8.1Android 8.0 OreoAndroid Oreo
SkinFuntouch OSColorOS 5.2Samsung Experience UXColor OS 5.2
connectivity
Wi-FiYesYesYesYes
GPSYesYesYesYes
BluetoothYes, v 4.00Yes, v 4.20Yes, v 5.00Yes, v 4.20
USB OTGYesYes-Yes
Number of SIMs2222
Wi-Fi standards supported-802.11 a/b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac
Micro-USB-Yes-Yes
Headphones-3.5mm3.5mm3.5mm
FM-YesNo-
Active 4G on both SIM cards-Yes--
NFC--YesNo
USB Type-C--Yes-
Infrared---No
Lightning---No
sim 1
GSM/CDMAGSMGSMGSMGSM
4G/ LTEYesYesYesYes
3G-YesYesYes
SIM Type--Nano-SIMNano-SIM
sim 2
GSM/CDMAGSMGSM-GSM
4G/ LTEYesYesYesYes
3G-YesYesYes
SIM Type--Nano-SIMNano-SIM
sensors
Face unlockYesYesYesYes
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYesYesYesYes
Gyroscope-YesYes-