Xiaomi Mi 9 vs Samsung Galaxy A7 (2018) vs Xiaomi Redmi 6A comparison

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ratings
Overall NDTV Rating-Read ReviewRead Review
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.39-inch6.00-inch5.45-inch
Processor2.84GHz octa-core2.2GHz octa-core2GHz quad-core
Front Camera20-megapixel 24-megapixel 5-megapixel
Resolution1080x2340 pixels1080x2220 pixels720x1440 pixels
RAM6GB4GB2GB
OSAndroid 9.0Android 8.0Android 8.1 Oreo
Storage128GB64GB16GB
Rear Camera48-megapixel + 12-megapixel + 16-megapixel 24-megapixel + 8-megapixel + 5-megapixel 13-megapixel
Battery Capacity3300mAh3300mAh3000mAh
general
Release dateFebruary 2019September 2018June 2018
Form factorTouchscreen-Touchscreen
Dimensions (mm)157.50 x 74.67 x 7.61159.80 x 76.80 x 7.50147.50 x 71.50 x 8.30
Weight (g)173.00168.00145.00
Battery capacity (mAh)330033003000
Fast chargingProprietary--
Wireless chargingYesNoNo
ColoursDeep Grey, Holographic Illusion Blue, Holographic IllusionBlack, Blue, Gold, PinkBlue, Gold, Rose Gold, Black
Launched in India-YesYes
Removable battery-NoNo
Body type--Plastic
display
Screen size (inches)6.396.005.45
TouchscreenYesYesYes
Resolution1080x2340 pixels1080x2220 pixels720x1440 pixels
Protection typeGorilla Glass--
Aspect ratio19.5:918.5:918:9
Pixels per inch (PPI)--295
hardware
Processor2.84GHz octa-core2.2GHz octa-core2GHz quad-core (4x2GHz)
Processor makeQualcomm Snapdragon 855-MediaTek Helio A22
RAM6GB4GB2GB
Internal storage128GB64GB16GB
Expandable storage-YesYes
Expandable storage type-microSDmicroSD
Expandable storage up to (GB)-512256
Dedicated microSD slot--Yes
camera
Rear camera48-megapixel (f/1.75, 0.8-micron) + 12-megapixel (f/2.2, 1.0-micron) + 16-megapixel (f/2.2, 1.0-micron)24-megapixel (f/1.7) + 8-megapixel (f/2.4) + 5-megapixel (f/2.2)13-megapixel (f/2.2)
Rear autofocusYesYesPhase detection autofocus
Rear flashYesYesLED
Front camera20-megapixel (f/2.0, 0.9-micron)24-megapixel (f/2.0)5-megapixel
Front autofocus-No-
Front flash-YesNo
software
Operating systemAndroid 9.0Android 8.0Android 8.1 Oreo
SkinMIUI 10-MIUI 9.6
connectivity
Wi-FiYesYesYes
Wi-Fi standards supported802.11 a/b/g/n/ac802.11 a/b/g/n/ac802.11 b/g/n
GPSYesYesYes
BluetoothYes, v 5.00Yes, v 5.00Yes, v 4.20
NFCYesNoNo
USB Type-CYes-No
Number of SIMs222
FM-YesYes
Active 4G on both SIM cards-YesYes
Infrared--No
USB OTG--Yes
Micro-USB--Yes
Headphones--3.5mm
sim 1
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYes-Yes
sim 2
SIM TypeNano-SIMNano-SIMNano-SIM
GSM/CDMAGSM-GSM
3GYes-Yes
4G/ LTEYesYesYes
sensors
Face unlockYesYesYes
3D face recognitionYes--
Fingerprint sensorYesYesNo
Compass/ MagnetometerYesYesYes
Proximity sensorYesYesYes
AccelerometerYesYesYes
Ambient light sensorYesYesYes
GyroscopeYesYesNo