Samsung Galaxy M21 (6GB RAM, 128GB) vs Samsung Galaxy J7 (2017) comparison

Compare Samsung Galaxy M21 (6GB RAM, 128GB)
Compare Samsung Galaxy J7 (2017)
ratings
Overall NDTV RatingRead Review-
Design Rating-
Display Rating-
Software Rating-
Performance Rating-
Battery Life Rating-
Camera Rating-
Value for Money Rating-
key specs
Display6.40-inch5.50-inch
ProcessorSamsung Exynos 9611Exynos 7870
Front Camera20-megapixel13-megapixel
Rear Camera48-megapixel + 8-megapixel + 5-megapixel13-megapixel
RAM6GB3GB
Storage128GB16GB
Battery Capacity6000mAh3600mAh
OSAndroid 10Android 7.0
Resolution2340x1080 pixels1080x1920 pixels
general
BrandSamsungSamsung
ModelGalaxy M21Galaxy J7 (2017)
Release date18th March 2020June 2017
Launched in IndiaYes-
Form factorTouchscreenTouchscreen
Thickness8.9-
Weight (g)188.00-
Battery capacity (mAh)60003600
Removable batteryNoYes
Fast chargingProprietary-
Wireless chargingNo-
ColoursMidnight Blue, Raven BlackBlack, Gold
Dimensions (mm)-146.30 x 71.30 x 7.90
display
Screen size (inches)6.405.50
TouchscreenYesYes
Resolution2340x1080 pixels1080x1920 pixels
Protection typeGorilla Glass-
Aspect ratio19.5:916:9
hardware
Processor1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)1.6GHz octa-core
Processor makeSamsung Exynos 9611Exynos 7870
RAM6GB3GB
Internal storage128GB16GB
Expandable storageYesYes
Expandable storage typemicroSDmicroSD
Expandable storage up to (GB)512256
camera
Rear camera48-megapixel + 8-megapixel + 5-megapixel13-megapixel (f/1.7)
Rear autofocusYes-
Rear flashYesLED
Front camera20-megapixel13-megapixel (f/1.9)
Front flashNoLED
software
Operating systemAndroid 10Android 7.0
SkinOne UI 2.0-
connectivity
Wi-FiYesYes
Wi-Fi standards supported802.11 a/b/g802.11 b/g/n
GPSYesYes
BluetoothYesYes, v 4.10
USB Type-CYes-
Headphones3.5mm-
Number of SIMs22
NFC-No
Infrared-No
USB OTG-No
Micro-USB-Yes
FM-Yes
Wi-Fi Direct-No
Mobile High-Definition Link (MHL)-No
sim 1
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesYes
sim 2
SIM TypeNano-SIM-
GSM/CDMAGSMGSM
3GYesNo
4G/ LTEYesYes
sensors
Face unlockYes-
Fingerprint sensorYes-
Compass/ MagnetometerYesNo
Proximity sensorYesYes
AccelerometerYesNo
Ambient light sensorYesNo
Gyroscope-No
Barometer-No
Temperature sensor-No

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