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Samsung Galaxy A51


Samsung Galaxy M31


Samsung Galaxy A51
Samsung Galaxy M31

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 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 (11%)
  • Thinner (13%)
  • May have more storage
  • Probably better rear camera
  • Probably better front camera
  • Much better battery capacity (33%)


Specifications

Samsung Galaxy A51 Samsung Galaxy M31
Specifications
Brand Samsung Samsung
Model - -
Release Date December 2019 March 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
159.2 x 75.1 x 8.9 mm
6.27 x 2.96 x 0.35 in
Weight 172 g
6.07 oz
191 g
6.74 oz
Screen
Size 6.5 inches 6.4 inches
Resolution 1,080 x 2,400 pixels 1,080 x 2,340 pixels
PPI 405 403
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
8 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/2.0 Wide
Storage
Memory 4 GB
6 GB
8 GB
6 GB
8 GB
Fixed 64 GB
128 GB
256 GB
64 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 15W
Removable False False
Connectivity
5G False False
NFC True True
3.5 mm Audio Jack True True
Micro USB False False
USB Type-C True True
Lightning False False

Size comparison

Samsung Galaxy A51 Samsung Galaxy M31

Samsung Galaxy A51

Samsung Galaxy M31

6.5"
172 g
6.07 oz

6.4"
191 g
6.74 oz