Samsung Galaxy A21 vs Samsung Galaxy J7 Duo comparison

Show Only Differences Highlight Differences	Samsung Galaxy A21	Samsung Galaxy J7 Duo
key specs
Display	6.50-inch	5.50-inch
Front Camera	13-megapixel	8-megapixel
Rear Camera	16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	13-megapixel + 5-megapixel
RAM	3GB	4GB
Storage	32GB	32GB
Battery Capacity	4000mAh	3000mAh
OS	Android 10	Android Oreo
Processor	-	Samsung Exynos 7885
Resolution	-	720x1280 pixels
general
Brand	Samsung	Samsung
Model	Galaxy A21	Galaxy J7 Duo
Release date	April 8, 2020	March 1, 2018
Form factor	Touchscreen	Touchscreen
Battery capacity (mAh)	4000	3000
Removable battery	No	-
Fast charging	Proprietary	-
Wireless charging	No	-
Colours	Black	Black and Gold
Launched in India	-	Yes
Dimensions (mm)	-	153.50 x 77.20 x 8.20
Weight (g)	-	174.00
display
Screen size (inches)	6.50	5.50
Touchscreen	Yes	Yes
Resolution	-	720x1280 pixels
Aspect ratio	-	16:9
Pixels per inch (PPI)	-	267
hardware
Processor make	MediaTek Helio P35 (MT6765)	Samsung Exynos 7885
RAM	3GB	4GB
Internal storage	32GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	512	256
Processor	-	octa-core (2x2.2GHz + 6x1.6GHz)
camera
Rear camera	16-megapixel + 8-megapixel + 2-megapixel + 2-megapixel	13-megapixel (f/1.9) + 5-megapixel (f/1.9)
Rear autofocus	Yes	Yes
Rear flash	Yes	LED
Front camera	13-megapixel	8-megapixel (f/1.9)
Pop-Up Camera	No	-
Front flash	-	LED
software
Operating system	Android 10	Android Oreo
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
Wi-Fi standards supported	-	802.11 a/b/g/n/ac
NFC	-	No
FM	-	Yes
Number of SIMs	-	2
sensors
Fingerprint sensor	Yes	Yes
Compass/ Magnetometer	-	No
Proximity sensor	-	Yes
Accelerometer	-	Yes

Related Comparisons

Popular Mobile Brands