Samsung Galaxy M31 vs Samsung Galaxy S2

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

• Weight

  Galaxy S2: 75 g lighter

  Galaxy M31:

  191 g

  Galaxy S2:

  116 g

• Width

  Galaxy S2: 9 mm narrower

  Galaxy M31:

  75.1 mm

  Galaxy S2:

  66.1 mm

• Screen diagonal

  Galaxy S2: 2.1 in smaller diagonal

  Galaxy M31:

  6.4 in

  Galaxy S2:

  4.3 in

• Chipset

  Galaxy M31:

  Exynos 9611 (10nm)

  Galaxy S2:

  Exynos 4210 Dual

• Rear camera layout

  Galaxy M31:

  Triple

  Galaxy S2:

  Single

• Height

  Galaxy S2: 33.9 mm shorter

  Galaxy M31:

  159.2 mm

  Galaxy S2:

  125.3 mm

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. 1. Galaxy M31

   Height:

   159.2 mm +33.9 mm versus Galaxy S2

   Width:

   75.1 mm +9 mm versus Galaxy S2

   Depth:

   8.9 mm

2. 2. Galaxy S2

   Height:

   125.3 mm

   Width:

   66.1 mm

   Depth:

   8.5 mm

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

1. 1. Galaxy M31

   Screen diagonal:

   6.4 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   100.5 cm²

2. 2. Galaxy S2

   Screen diagonal:

   4.3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   52.6 cm²

Galaxy M31 has approximately 91.1% more rectangular screen area than Galaxy S2.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

Battery capacity

Capacity is not battery life. No endurance test is implied.

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.