Samsung Galaxy M20 vs Samsung Galaxy A7 (2018) vs Oppo F9 vs Oppo F7 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-inch6.00-inch6.30-inch6.23-inch
Processor1.6GHz octa-core 2.2GHz octa-core2GHz octa-coreocta-core
Front Camera8-megapixel 24-megapixel 16-megapixel25-megapixel
Resolution1080x2340 pixels1080x2220 pixels1080x2340 pixels1080x2280 pixels
RAM3GB4GB4GB4GB
OSAndroid 8.1 OreoAndroid 8.0Android OreoAndroid 8.1
Storage32GB64GB64GB64GB
Rear Camera13-megapixel + 5-megapixel 24-megapixel + 8-megapixel + 5-megapixel 16-megapixel + 2-megapixel 16-megapixel
Battery Capacity5000mAh3300mAh3500mAh3400mAh
general
Release dateJanuary 2019September 2018August 2018March 2018
Launched in IndiaYesYesYesYes
Form factorTouchscreen-TouchscreenTouchscreen
Battery capacity (mAh)5000330035003400
Removable batteryNoNo-No
Wireless chargingNoNo--
ColoursCharcoal Black, Ocean BlueBlack, Blue, Gold, PinkSunrise Red, Twilight Blue, Starry PurpleDiamond Black, Moonlight Silver, Solar Red,
Dimensions (mm)-159.80 x 76.80 x 7.50156.70 x 74.00 x 7.90156.00 x 75.30 x 7.80
Weight (g)-168.00169.00158.00
SAR value---1.27
display
Screen size (inches)6.306.006.306.23
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2220 pixels1080x2340 pixels1080x2280 pixels
Aspect ratio19.5:918.5:919.5:919:9
Protection type---Gorilla Glass
Pixels per inch (PPI)---405
hardware
Processor1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)2.2GHz octa-core2GHz octa-coreocta-core (4x2GHz + 4x2GHz)
Processor makeSamsung Exynos 7904-MediaTek Helio P60MediaTek Helio P60
RAM3GB4GB4GB4GB
Internal storage32GB64GB64GB64GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)512512256256
Dedicated microSD slotYes---
camera
Rear camera13-megapixel (f/1.9) + 5-megapixel (f/2.2)24-megapixel (f/1.7) + 8-megapixel (f/2.4) + 5-megapixel (f/2.2)16-megapixel (f/1.8) + 2-megapixel (f/2.4)16-megapixel (f/1.8)
Rear autofocusYesYes-Phase detection autofocus
Rear flashYesYesYesLED
Front camera8-megapixel (f/2.0)24-megapixel (f/2.0)16-megapixel25-megapixel (f/2.0)
Front flashNoYes-No
Front autofocus-No--
software
Operating systemAndroid 8.1 OreoAndroid 8.0Android OreoAndroid 8.1
SkinSamsung Experience 9.5 UX-Color OS 5.2ColorOS 5.0
connectivity
Wi-Fi standards supported802.11 b/g/n802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 b/g/n/ac
GPSYesYesYesYes
BluetoothYesYes, v 5.004.20Yes, v 4.20
USB Type-CYes---
Micro-USBNo-Yes-
Headphones3.5mm-3.5mm3.5mm
Number of SIMs2222
Wi-Fi-YesYesYes
NFC-No-No
FM-Yes-Yes
Active 4G on both SIM cards-Yes--
USB OTG--YesYes
Infrared---No
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYes-YesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSM-GSMGSM
3GYes-YesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYesYes--
Fingerprint sensorYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Compass/ Magnetometer-YesYesYes
Ambient light sensor-YesYesYes
Gyroscope-Yes-Yes