Compare Samsung Galaxy M40 vs. Samsung Galaxy M31

	Samsung Galaxy M40	Samsung Galaxy M31
Specifications
Brand	Samsung	Samsung
Model	-	-
Release Date	June 2019	March 2020
Operating System	One UI (Android 9.0)	One UI (Android 10)
Dimensions
Size	155.3 x 73.9 x 7.9 mm 6.11 x 2.91 x 0.31 in	159.2 x 75.1 x 8.9 mm 6.27 x 2.96 x 0.35 in
Weight	168 g 5.93 oz	191 g 6.74 oz
Screen
Size	6.3 inches	6.4 inches
Resolution	1,080 x 2,340 pixels	1,080 x 2,340 pixels
PPI	409	403
Features	-	OLED
Cameras
Rear	Triple camera 32 MP f/1.7 Wide 8 MP f/2.2 Ultra Wide 5 MP f/2.2 Depth	Quad camera 64 MP f/1.8 Wide 8 MP f/2.2 Ultra Wide 5 MP f/2.4 Macro 5 MP f/2.4 Depth
Front	16 MP f/2.0 Wide	32 MP f/2.0 Wide
Storage
Memory	4 GB 6 GB	6 GB 8 GB
Fixed	64 GB 128 GB	64 GB 128 GB
Removable	microSDXC	microSDXC
Processor
Chip	Qualcomm Snapdragon 675 SM6150 Octa-core processor 11 nm	Samsung Exynos 9611 Octa-core processor 10 nm
CPU	2x 2.00 GHz Kryo 460 Gold 6x 1.70 GHz Kryo 460 Silver	4x 2.30 GHz Cortex-A73 4x 1.70 GHz Cortex-A53
GPU	Adreno 612	Mali-G72 MP3
Battery
Capacity	3,500 mAh	6,000 mAh
Features	Fast charging 15W	Fast charging 15W
Removable
Connectivity
5G
NFC
3.5 mm Audio Jack
Micro USB
USB Type-C
Lightning

Samsung Galaxy M40	Samsung Galaxy M31

Released in June 2019. Features 6.3 inches screen with a resolution of 1,080 x 2,340 pixels and 409 ppi. Octa-core processor Qualcomm Snapdragon 675 SM6150 with up to 6 GB memory and 128 GB storage. It has 3,500 mAh battery.	Released in March 2020. Features 6.4 inches screen with a resolution of 1,080 x 2,340 pixels and 403 ppi. Octa-core processor Samsung Exynos 9611 with up to 8 GB memory and 128 GB storage. It has 6,000 mAh battery.
Head to Head
Lighter (14%) Thinner (13%) Probably better rear camera	OLED screen Probably more versatile rear camera May have more memory More processing power (12%) Much better battery capacity (42%)

Compare phones side by side