Samsung Galaxy J7 Duo 2018 vs Samsung Galaxy M21s

Samsung Galaxy J7 Duo 2018 vs Samsung Galaxy M21s: Compare the Samsung Galaxy J7 Duo 2018 and the Samsung Galaxy M21s to find out which smartphone offers better features and performance. Discover the differences and similarities between these two devices to make an informed decision before making a purchase.

Feature	Samsung Galaxy J7 Duo 2018	Samsung Galaxy M21s
Display	5.5-inch Super AMOLED	6.4-inch Super AMOLED
Resolution	720 x 1280 pixels	1080 x 2340 pixels
Processor	Exynos 7884 Octa-core	Exynos 9611 Octa-core
RAM	4 GB	4 GB
Storage	32 GB	64 GB
Expandable Storage	Yes (up to 256 GB)	Yes (up to 512 GB)
Primary Camera	13 MP (f/1.9) + 5 MP (f/1.9)	64 MP (f/1.8) + 8 MP (f/2.2) + 5 MP (f/2.2) + 5 MP (f/2.4)
Front Camera	8 MP (f/1.9)	32 MP (f/2.0)
Battery Capacity	3000 mAh	6000 mAh
Operating System	Android 8.0 (Oreo)	Android 10.0 (One UI 2.5)
Weight	174 grams	191 grams
Dimensions	153.5 x 77.2 x 8.2 mm	159.2 x 75.1 x 8.9 mm
Colors	Black, Gold	Black, Blue
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
3.5mm Headphone Jack	Yes	Yes
USB Port	Micro USB 2.0	USB Type-C
Fingerprint Sensor	Front-mounted	Rear-mounted
Bluetooth	4.2	5.0
Wi-Fi	802.11 b/g/n	802.11 a/b/g/n/ac