Samsung Galaxy S10 vs Samsung Galaxy M20 vs Xiaomi Redmi 6 Pro vs Xiaomi Mi A2 comparison

Compare Samsung Galaxy S10
Compare Samsung Galaxy M20
Compare Xiaomi Redmi 6 Pro
Compare Xiaomi Mi A2
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
Display6.10-inch6.30-inch5.84-inch5.99-inch
Processor1.9GHz octa-core1.6GHz octa-core 2GHz octa-core octa-core
Front Camera10-megapixel 8-megapixel 5-megapixel20-megapixel
RAM8GB3GB4GB4GB
OSAndroid 9.0Android 8.1 OreoAndroid 8.1 OreoAndroid 8.1 Oreo
Storage128GB32GB64GB64GB
Rear Camera12-megapixel + 12-megapixel + 16-megapixel 13-megapixel + 5-megapixel 12-megapixel + 5-megapixel12-megapixel + 20-megapixel
Battery Capacity3400mAh5000mAh4000mAh3000mAh
Resolution-1080x2340 pixels1080x2280 pixels1080x2160 pixels
general
Release dateFebruary 2019January 2019September 2018July 2018
Form factorTouchscreenTouchscreenTouchscreenTouchscreen
Dimensions (mm)149.90 x 70.40 x 7.80-149.33 x 71.68 x 8.75158.70 x 75.40 x 7.30
Weight (g)157.00-178.00168.00
IP ratingIP68---
Battery capacity (mAh)3400500040003000
Removable batteryNoNoNoNo
Fast chargingProprietary---
Wireless chargingYesNoNo-
ColoursPrism Black, Prism Blue, Prism Green, Prism WhiteCharcoal Black, Ocean BlueGold, Blue, Black, RedBlack, Gold, Lake Blue, Rose Gold
Launched in India-YesYesYes
Body type--Metal-
SAR value--0.96-
display
Screen size (inches)6.106.305.845.99
TouchscreenYesYesYesYes
Aspect ratio19:919.5:919:918:9
Resolution-1080x2340 pixels1080x2280 pixels1080x2160 pixels
Pixels per inch (PPI)--432403
hardware
Processor1.9GHz octa-core1.6GHz octa-core (2x1.8GHz + 6x1.6GHz)2GHz octa-core (8x2GHz)octa-core (4x2.2GHz + 4x1.8GHz)
Processor makeSamsung Exynos 9820 SoCSamsung Exynos 7904Qualcomm Snapdragon 625Qualcomm Snapdragon 660
RAM8GB3GB4GB4GB
Internal storage128GB32GB64GB64GB
Expandable storageYesYesYesNo
Expandable storage typemicroSDmicroSDmicroSDmicroSD
Expandable storage up to (GB)512512256-
Dedicated microSD slot-YesYes-
camera
Rear camera12-megapixel (f/1.5) + 12-megapixel (f/2.4) + 16-megapixel (f/2.2)13-megapixel (f/1.9) + 5-megapixel (f/2.2)12-megapixel (f/2.2, 1.25-micron) + 5-megapixel12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron)
Rear autofocusPhase detection autofocusYesPhase detection autofocusPhase detection autofocus
Front camera10-megapixel (f/1.9)8-megapixel (f/2.0)5-megapixel20-megapixel (f/2.2, 1.0-micron)
Front autofocusYes---
Rear flash-YesLEDDual LED
Front flash-NoNoLED
software
Operating systemAndroid 9.0Android 8.1 OreoAndroid 8.1 OreoAndroid 8.1 Oreo
SkinOne UISamsung Experience 9.5 UXMIUI 9.6-
connectivity
Wi-FiYes-YesYes
Wi-Fi standards supported802.11 a/b/g/n/ac/ax802.11 b/g/n802.11 a/b/g/n802.11 a/b/g/n/ac
GPSYesYesYesYes
BluetoothYes, v 5.00YesYes, v 4.20Yes, v 5.00
NFCYes-NoYes
USB Type-CYesYesNo-
Headphones3.5mm3.5mm3.5mmNo
Number of SIMs2222
Active 4G on both SIM cardsYes-No-
Micro-USB-NoYes-
Infrared--Yes-
USB OTG--YesYes
FM--Yes-
sim 1
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIMNano-SIM
GSM/CDMAGSMGSMGSMGSM
3GYesYesYesYes
4G/ LTEYesYesYesYes
sensors
Face unlockYesYesYes-
Fingerprint sensorYesYesYesYes
Compass/ MagnetometerYes-YesYes
Proximity sensorYesYesYesYes
AccelerometerYesYesYesYes
Ambient light sensorYes-YesYes
GyroscopeYes-YesYes
BarometerYes---
3D face recognition--No-