Samsung Galaxy M20 vs Redmi 6 vs Xiaomi Redmi 4 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
Display6.30-inch5.45-inch5.00-inch-
Processor1.6GHz octa-core 2GHz octa-core 1.4GHz octa-core-
Front Camera8-megapixel 5-megapixel 5-megapixel-
Resolution1080x2340 pixels720x1440 pixels720x1280 pixels-
RAM3GB3GB3GB-
OSAndroid 8.1 OreoAndroid 8.1 OreoAndroid 6.0.1-
Storage32GB32GB32GB-
Rear Camera13-megapixel + 5-megapixel 12-megapixel + 5-megapixel13-megapixel-
Battery Capacity5000mAh3000mAh4100mAh-
general
Release dateJanuary 2019June 2018November 2016-
Launched in IndiaYesYesYes-
Form factorTouchscreenTouchscreenTouchscreen-
Battery capacity (mAh)500030004100-
Removable batteryNoNoNo-
Wireless chargingNoNo--
ColoursCharcoal Black, Ocean BlueLake Blue, Gold, Rose Gold, BlackGold, Black-
Body type-Plastic--
Dimensions (mm)-147.50 x 71.50 x 8.30139.30 x 69.90 x 8.65-
Weight (g)-146.00150.00-
display
Screen size (inches)6.305.455.00-
TouchscreenYesYesYes-
Resolution1080x2340 pixels720x1440 pixels720x1280 pixels-
Aspect ratio19.5:918:916:9-
Pixels per inch (PPI)-295296-
Protection type--Gorilla Glass-
hardware
Processor1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)2GHz octa-core (8x2GHz)1.4GHz octa-core-
Processor makeSamsung Exynos 7904MediaTek Helio P22Qualcomm Snapdragon 435-
RAM3GB3GB3GB-
Internal storage32GB32GB32GB-
Expandable storageYesYesYes-
Expandable storage typemicroSDmicroSDmicroSD-
Expandable storage up to (GB)512256128-
Dedicated microSD slotYesYes--
camera
Rear camera13-megapixel (f/1.9) + 5-megapixel (f/2.2)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel13-megapixel-
Rear autofocusYesPhase detection autofocus--
Rear flashYesLEDLED-
Front camera8-megapixel (f/2.0)5-megapixel (f/2.2, 1.12-micron)5-megapixel-
Front flashNoNo--
software
Operating systemAndroid 8.1 OreoAndroid 8.1 OreoAndroid 6.0.1-
SkinSamsung Experience 9.5 UXMIUI 9.6MIUI 8-
connectivity
Wi-Fi standards supported802.11 b/g/n802.11 b/g/n802.11 b/g/n-
GPSYesYesYes-
BluetoothYesYes, v 4.20Yes, v 4.10-
USB Type-CYesNo--
Micro-USBNoYesYes-
Headphones3.5mm3.5mm3.5mm-
Number of SIMs222-
Wi-Fi-YesYes-
NFC-NoNo-
Infrared-NoYes-
USB OTG-YesYes-
FM-YesYes-
Active 4G on both SIM cards-Yes--
sim 1
SIM TypeNano-SIMNano-SIMMicro-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/ LTEYesYesYes-
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM-
GSM/CDMAGSMGSMGSM-
3GYesYesYes-
4G/ LTEYesYesYes-
sensors
Face unlockYesYes--
Fingerprint sensorYesYesYes-
Proximity sensorYesYesYes-
AccelerometerYesYesYes-
3D face recognition-No--
Compass/ Magnetometer-YesYes-
Ambient light sensor-YesYes-
Gyroscope-NoYes-
Barometer--No-
Temperature sensor--No-