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Samsung Galaxy M21 (6GB RAM, 128GB) vs Samsung Galaxy A7 (2018)

Samsung Galaxy M21 (6GB RAM, 128GB) vs Samsung Galaxy A7 (2018) comparison

Show Only Differences Highlight Differences	Samsung Galaxy M21 (6GB RAM, 128GB)	Samsung Galaxy A7 (2018) (4GB RAM, 64GB)
ratings
Overall NDTV Rating	Read Review	Read Review
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
key specs
Display	6.40-inch	6.00-inch
Processor	Samsung Exynos 9611	2.2GHz octa-core
Front Camera	20-megapixel	24-megapixel
Rear Camera	48-megapixel + 8-megapixel + 5-megapixel	24-megapixel + 8-megapixel + 5-megapixel
RAM	6GB	4GB
Storage	128GB	64GB
Battery Capacity	6000mAh	3300mAh
OS	Android 10	Android 8.0
Resolution	2340x1080 pixels	1080x2220 pixels
general
Brand	Samsung	Samsung
Model	Galaxy M21	Galaxy A7 (2018)
Release date	March 18, 2020	September 1, 2018
Launched in India	Yes	Yes
Form factor	Touchscreen	-
Thickness	8.9	-
Weight (g)	188.00	168.00
Battery capacity (mAh)	6000	3300
Removable battery	No	No
Fast charging	Proprietary	-
Wireless charging	No	No
Colours	Iceberg Blue, Midnight Blue, Raven Black	Black, Blue, Gold, Pink
Dimensions (mm)	-	159.80 x 76.80 x 7.50
display
Screen size (inches)	6.40	6.00
Touchscreen	Yes	Yes
Resolution	2340x1080 pixels	1080x2220 pixels
Protection type	Gorilla Glass	-
Aspect ratio	19.5:9	18.5:9
hardware
Processor	1.7GHz octa-core (4x1.7GHz + 4x2.3GHz)	2.2GHz octa-core
Processor make	Samsung Exynos 9611	-
RAM	6GB	4GB
Internal storage	128GB	64GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	512
camera
Rear camera	48-megapixel + 8-megapixel + 5-megapixel	24-megapixel (f/1.7) + 8-megapixel (f/2.4) + 5-megapixel (f/2.2)
Rear autofocus	Yes	Yes
Rear flash	Yes	Yes
Front camera	20-megapixel	24-megapixel (f/2.0)
Front flash	No	Yes
Front autofocus	-	No
software
Operating system	Android 10	Android 8.0
Skin	One UI 2.0	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g	802.11 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
USB Type-C	Yes	-
Headphones	3.5mm	-
Number of SIMs	2	2
NFC	-	No
FM	-	Yes
Active 4G on both SIM cards	-	Yes
sim 1
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
sim 2
SIM Type	Nano-SIM	Nano-SIM
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	Yes
sensors
Face unlock	Yes	Yes
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	-	Yes

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