Compare phones side by side


Samsung Galaxy M40


Samsung Galaxy M31


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%)


Specifications

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 False False
Connectivity
5G False False
NFC True True
3.5 mm Audio Jack False True
Micro USB False False
USB Type-C True True
Lightning False False

Size comparison

Samsung Galaxy M40 Samsung Galaxy M31

Samsung Galaxy M40

Samsung Galaxy M31

6.3"
168 g
5.93 oz

6.4"
191 g
6.74 oz