Samsung Galaxy J7 2018 vs Samsung Galaxy M31

Samsung Galaxy J7 2018 vs Samsung Galaxy M31: Compare the features and specifications of the Samsung Galaxy J7 2018 and the Samsung Galaxy M31 to determine which smartphone is the better choice for you.

Feature	Samsung Galaxy J7 2018	Samsung Galaxy M31
Display Size	5.5 inches	6.4 inches
Display Type	Super AMOLED	Super AMOLED
Resolution	720 x 1280 pixels	1080 x 2340 pixels
Processor	Exynos 7870 Octa	Exynos 9611
RAM	2 GB	6 GB
Internal Storage	16/32 GB	64/128 GB
Expandable Storage	Yes (up to 256 GB)	Yes (up to 512 GB)
Main Camera	13 MP (f/1.7)	64 MP (f/1.8)
Front Camera	13 MP (f/1.9)	32 MP (f/2.0)
Video Recording	1080p@30fps	4K@30fps
Battery Capacity	3300 mAh	6000 mAh
Operating System	Android 8.0 (Oreo)	Android 10.0 (One UI 2.0)
Bluetooth Version	4.2	5.0
USB Version	Micro USB 2.0	USB Type-C
Weight	181 grams	191 grams
Dimensions	152.5 x 74.8 x 8 mm	159.2 x 75.1 x 8.9 mm
Colors	Black, Gold	Black, Blue, Red
Biometric Authentication	Fingerprint (rear-mounted)	Fingerprint (rear-mounted)
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)