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Samsung Galaxy A20 vs Samsung Galaxy M20 vs Redmi 6 vs Xiaomi Redmi 4 comparison

 Compare Samsung Galaxy A20
Samsung Galaxy A20
Compare Samsung Galaxy M20
Samsung Galaxy M20
Compare Redmi 6
Redmi 6
Compare Xiaomi Redmi 4
Xiaomi Redmi 4
key specs
Display6.40-inch6.30-inch5.45-inch5.00-inch
ProcessorSamsung Exynos 7884Samsung Exynos 7904MediaTek Helio P22 Qualcomm Snapdragon 435
Front Camera8-megapixel 8-megapixel 5-megapixel 5-megapixel
Rear Camera13-megapixel + 5-megapixel 13-megapixel + 5-megapixel 12-megapixel + 5-megapixel13-megapixel
RAM3GB3GB3GB3GB
Storage32GB32GB32GB32GB
Battery Capacity4000mAh5000mAh3000mAh4100mAh
OSAndroidAndroid 8.1 OreoAndroid 8.1 OreoAndroid 6.0.1
Resolution720x1560 pixels1080x2340 pixels720x1440 pixels720x1280 pixels
general
BrandSamsungSamsungXiaomiXiaomi
ModelGalaxy A20Galaxy M20Redmi 6Redmi 4
Release dateMarch 1, 2019January 1, 2019June 1, 2018November 1, 2016
Launched in IndiaNoYesYesYes
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)158.40 x 74.70 x 7.80-147.50 x 71.50 x 8.30139.30 x 69.90 x 8.65
Battery capacity (mAh)4000500030004100
Removable battery-NoNoNo
Wireless charging-NoNo-
Colours-Charcoal Black, Ocean BlueLake Blue, Gold, Rose Gold, BlackGold, Black
Body type--Plastic-
Weight (g)--146.00150.00
display
Screen size (inches)6.406.305.455.00
TouchscreenYesYesYesYes
Resolution720x1560 pixels1080x2340 pixels720x1440 pixels720x1280 pixels
Aspect ratio-19.5:918:916:9
Pixels per inch (PPI)--295296
Protection type---Gorilla Glass
hardware
Processorocta-core (2x1.6GHz + 6x1.35GHz)1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)2GHz octa-core (8x2GHz)1.4GHz octa-core
Processor makeSamsung Exynos 7884Samsung Exynos 7904MediaTek Helio P22 (MT6762)Qualcomm Snapdragon 435
RAM3GB3GB3GB3GB
Internal storage32GB32GB32GB32GB
Expandable storageYesYesYesYes
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)512512256128
Dedicated microSD slot-YesYes-
camera
Rear camera13-megapixel (f/1.9) + 5-megapixel (f/2.2)13-megapixel (f/1.9) + 5-megapixel (f/2.2)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel13-megapixel
Rear flashYesYesLEDLED
Front camera8-megapixel (f/2.0)8-megapixel (f/2.0)5-megapixel (f/2.2, 1.12-micron)5-megapixel
Rear autofocus-YesPhase detection autofocus-
Front flash-NoNo-
software
Operating systemAndroidAndroid 8.1 OreoAndroid 8.1 OreoAndroid 6.0.1
Skin-Samsung Experience 9.5 UXMIUI 9.6MIUI 8
connectivity
Wi-FiYes-YesYes
BluetoothYesYesYes, v 4.20Yes, v 4.10
Wi-Fi standards supported-802.11 b/g/n802.11 b/g/n802.11 b/g/n
GPS-YesYesYes
USB Type-C-YesNo-
Micro-USB-NoYesYes
Headphones-3.5mm3.5mm3.5mm
Number of SIMs-222
NFC--NoNo
Infrared--NoYes
USB OTG--YesYes
FM--YesYes
Active 4G on both SIM cards--Yes-
Wi-Fi Direct---No
Mobile High-Definition Link (MHL)---No
sensors
Fingerprint sensorYesYesYesYes
Face unlock-YesYes-
Proximity sensor-YesYesYes
Accelerometer-YesYesYes
3D face recognition--No-
Compass/ Magnetometer--YesYes
Ambient light sensor--YesYes
Gyroscope--NoYes
Barometer---No
Temperature sensor---No
ratings
Overall NDTV Rating-Read ReviewRead ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
sim 1
SIM Type-Nano-SIMNano-SIMMicro-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes
sim 2
SIM Type-Nano-SIMNano-SIMNano-SIM
GSM/CDMA-GSMGSMGSM
3G-YesYesYes
4G/ LTE-YesYesYes

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