Samsung Galaxy J7 vs Samsung Galaxy M31s

Samsung Galaxy J7 vs Samsung Galaxy M31s: Compare the Samsung Galaxy J7 and Samsung Galaxy M31s to find out which smartphone offers better features and performance. Discover the differences in design, display, camera, battery life, and more to make an informed decision before buying your next Samsung device.

Feature	Samsung Galaxy J7	Samsung Galaxy M31s
Display	5.5-inch Super AMOLED	6.5-inch Super AMOLED
Resolution	720 x 1280 pixels	1080 x 2400 pixels
Processor	Octa-core 1.6 GHz	Octa-core (2×2.3 GHz Cortex-A75 & 6×1.7 GHz Cortex-A55)
RAM	2 GB	6 GB
Storage	16 GB (expandable up to 256 GB)	128 GB (expandable up to 512 GB)
Operating System	Android 6.0 Marshmallow	Android 10, One UI 2.1
Main Camera	13 MP (f/1.9)	64 MP (f/1.8) + 12 MP (f/2.2) + 5 MP (f/2.4) + 5 MP (f/2.4)
Front Camera	5 MP (f/2.2)	32 MP (f/2.0)
Battery Capacity	3000 mAh	6000 mAh
Charging	Micro USB, 15W Fast Charging	USB Type-C, 25W Fast Charging
Fingerprint Sensor	Yes (front-mounted)	Yes (side-mounted)
Colors	Various	Various
Weight	170 grams	203 grams
Dimensions	152.4 x 74.7 x 7.9 mm	159.3 x 74.4 x 9.3 mm
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Headphone Jack	Yes	Yes
Bluetooth	Yes, v4.1	Yes, v5.0
Wi-Fi	Yes, 802.11 b/g/n	Yes, 802.11 a/b/g/n/ac