Samsung Galaxy M20 vs Vivo Nex Dual Display Edition vs Oppo R17 Pro vs Oppo R17 comparison

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ratings
Overall NDTV RatingRead Review-Read Review-
Design Rating--
Display Rating--
Software Rating--
Performance Rating--
Battery Life Rating--
Camera Rating--
Value for Money Rating--
key specs
Display6.30-inch6.39-inch6.40-inch6.40-inch
Processor1.6GHz octa-core octa-core2.2GHz octa-core octa-core
Front Camera8-megapixel -25-megapixel 25-megapixel
Resolution1080x2340 pixels1080x2340 pixels1080x2340 pixels1080x2280 pixels
RAM3GB10GB8GB8GB
OSAndroid 8.1 OreoAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.1
Storage32GB128GB128GB128GB
Rear Camera13-megapixel + 5-megapixel 12-megapixel + 2-megapixel 12-megapixel + 20-megapixel 16-megapixel + 5-megapixel
Battery Capacity5000mAh3500mAh3700mAh3500mAh
general
Release dateJanuary 2019December 2018August 2018August 2018
Launched in IndiaYes-No-
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Battery capacity (mAh)5000350037003500
Removable batteryNo-Yes-
Wireless chargingNo---
ColoursCharcoal Black, Ocean BlueIce Field Blue, Star PurpleFog GradientStreamer Blue, Neon Purple
Dimensions (mm)-157.19 x 75.30 x 8.09157.60 x 74.60 x 7.90-
Weight (g)-199.20183.00-
Fast charging-ProprietarySuper VOOCVOOC
display
Screen size (inches)6.306.396.406.40
TouchscreenYesYesYesYes
Resolution1080x2340 pixels1080x2340 pixels1080x2340 pixels1080x2280 pixels
Aspect ratio19.5:919.5:919.5:919:9
Protection type--Gorilla Glass-
Pixels per inch (PPI)---374
hardware
Processor1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)octa-core2.2GHz octa-core (2x2.2GHz + 6x1.7GHz)octa-core (2x2GHz + 6x1.7GHz)
Processor makeSamsung Exynos 7904Qualcomm Snapdragon 845Qualcomm Snapdragon 710Qualcomm Snapdragon 670
RAM3GB10GB8GB8GB
Internal storage32GB128GB128GB128GB
Expandable storageYes-YesNo
Expandable storage typemicroSD---
Expandable storage up to (GB)512---
Dedicated microSD slotYes---
camera
Rear camera13-megapixel (f/1.9) + 5-megapixel (f/2.2)12-megapixel (f/1.79) + 2-megapixel (f/1.8)12-megapixel (f/1.5-2.4, 1.4-micron) + 20-megapixel (f/2.6)16-megapixel (f/1.8, 1.22-micron) + 5-megapixel
Rear autofocusYesYesPhase detection autofocusPhase detection autofocus
Rear flashYesNoLEDDual LED
Front camera8-megapixel (f/2.0)-25-megapixel (f/2.0)25-megapixel (f/2.0)
Front flashNo---
software
Operating systemAndroid 8.1 OreoAndroid 9.0 PieAndroid 8.1 OreoAndroid 8.1
SkinSamsung Experience 9.5 UXFuntouch 4.5ColorOS 5.2ColorOS 5.2
connectivity
Wi-Fi standards supported802.11 b/g/n---
GPSYes-YesYes
BluetoothYesYes5.00Yes, v 5.00
USB Type-CYesYesYes-
Micro-USBNo--Yes
Headphones3.5mm3.5mm-3.5mm
Number of SIMs222-
Wi-Fi-YesYesYes
NFC--Yes-
sim 1
SIM TypeNano-SIM-Nano-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/ LTEYesYesYes-
sim 2
SIM TypeNano-SIM-Nano-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/ LTEYesYesYes-
sensors
Face unlockYes---
Fingerprint sensorYesYesYesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Compass/ Magnetometer-YesYes-
Ambient light sensor-YesYesYes
Gyroscope-YesYesYes