Samsung Galaxy M31s vs Samsung Galaxy J7 Duo 2018

Samsung Galaxy M31s vs Samsung Galaxy J7 Duo 2018: Compare the Samsung Galaxy M31s and the Samsung Galaxy J7 Duo 2018 to find out which smartphone offers better features and performance. Discover the key differences and similarities between these two devices to make an informed decision before making a purchase.

Feature	Samsung Galaxy M31s	Samsung Galaxy J7 Duo 2018
Display Size	6.5 inches	5.5 inches
Display Type	Super AMOLED	Super AMOLED
Resolution	1080 x 2400 pixels	720 x 1280 pixels
Processor	Exynos 9611	Exynos 7884
RAM	6 GB	4 GB
Internal Storage	128 GB	32 GB
Expandable Storage	Yes (up to 512 GB)	Yes (up to 256 GB)
Main Camera	64 MP wide (f/1.8) 12 MP ultra-wide (f/2.2) 5 MP depth (f/2.4) 5 MP macro (f/2.4)	13 MP wide (f/1.9) 5 MP depth (f/1.9)
Front Camera	32 MP wide (f/2.0)	8 MP wide (f/1.9)
Video Recording	4K@30fps, 1080p@30fps	1080p@30fps
Battery Capacity	6000 mAh	3000 mAh
Fast Charging	Yes (25W)	No
Operating System	Android 10, One UI 2.1	Android 8.0 (Oreo)
Biometric Security	Fingerprint (rear-mounted)	Fingerprint (front-mounted)
Weight	203 grams	174 grams
Dimensions	159.3 x 74.4 x 9.3 mm	153.5 x 77.2 x 8.2 mm
Colors	Mirage Black, Mirage Blue	Black, Gold
SIM Card	Dual SIM (Nano-SIM, dual stand-by)	Dual SIM (Nano-SIM, dual stand-by)
Headphone Jack	Yes	Yes