Compare Samsung Galaxy A51 vs. Samsung Galaxy M31s

	Samsung Galaxy A51	Samsung Galaxy M31s
Specifications
Brand	Samsung	Samsung
Model	-	-
Release Date	December 2019	August 2020
Operating System	One UI (Android 10)	One UI (Android 10)
Dimensions
Size	158.5 x 73.6 x 7.9 mm 6.24 x 2.90 x 0.31 in	159.3 x 74.4 x 9.3 mm 6.27 x 2.93 x 0.37 in
Weight	172 g 6.07 oz	203 g 7.16 oz
Screen
Size	6.5 inches	6.5 inches
Resolution	1,080 x 2,400 pixels	1,080 x 2,400 pixels
PPI	405	405
Features	OLED	OLED
Cameras
Rear	Quad camera 48 MP f/2.0 Wide 12 MP f/2.2 Ultra Wide 5 MP f/2.4 Macro 5 MP f/2.2 Depth	Quad camera 64 MP f/1.8 Wide 12 MP f/2.2 Ultra Wide 5 MP f/2.4 Macro 5 MP f/2.4 Depth
Front	32 MP f/2.2 Wide	32 MP f/2.2 Wide
Storage
Memory	4 GB 6 GB 8 GB	6 GB 8 GB
Fixed	64 GB 128 GB 256 GB	128 GB
Removable	microSDXC	microSDXC
Processor
Chip	Samsung Exynos 9611 Octa-core processor 10 nm	Samsung Exynos 9611 Octa-core processor 10 nm
CPU	4x 2.30 GHz Cortex-A73 4x 1.70 GHz Cortex-A53	4x 2.30 GHz Cortex-A73 4x 1.70 GHz Cortex-A53
GPU	Mali-G72 MP3	Mali-G72 MP3
Battery
Capacity	4,000 mAh	6,000 mAh
Features	Fast charging 15W	Fast charging 25W
Removable
Connectivity
5G
NFC
3.5 mm Audio Jack
Micro USB
USB Type-C
Lightning

Samsung Galaxy A51	Samsung Galaxy M31s

Released in December 2019. Features 6.5 inches screen with a resolution of 1,080 x 2,400 pixels and 405 ppi. Octa-core processor Samsung Exynos 9611 with up to 8 GB memory and 256 GB storage. It has 4,000 mAh battery.	Released in August 2020. Features 6.5 inches screen with a resolution of 1,080 x 2,400 pixels and 405 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
Much lighter (18%) Much thinner (18%) May have more storage	Probably better rear camera Much better battery capacity (33%) Battery with better fast charging (40%)

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