Oppo A31 vs Samsung Galaxy M Style M340S

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.

• Display technology

  OLED versus LCD

  A31:

  LCD

  Galaxy M Style M340S:

  OLED

• Weight

  Galaxy M Style M340S: 56.5 g lighter

  A31:

  180 g

  Galaxy M Style M340S:

  123.5 g

• Width

  Galaxy M Style M340S: 12.5 mm narrower

  A31:

  75.5 mm

  Galaxy M Style M340S:

  63 mm

• Screen diagonal

  Galaxy M Style M340S: 2.5 in smaller diagonal

  A31:

  6.5 in

  Galaxy M Style M340S:

  4 in

• Rear camera layout

  A31:

  Triple

  Galaxy M Style M340S:

  Single

• Depth

  A31: 1.6 mm thinner

  A31:

  8.3 mm

  Galaxy M Style M340S:

  9.9 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. A31

   Height:

   163.9 mm +41.4 mm versus Galaxy M Style M340S

   Width:

   75.5 mm +12.5 mm versus Galaxy M Style M340S

   Depth:

   8.3 mm

2. 2. Galaxy M Style M340S

   Height:

   122.5 mm

   Width:

   63 mm

   Depth:

   9.9 mm +1.6 mm versus A31

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. A31

   Screen diagonal:

   6.5 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   102 cm²

2. 2. Galaxy M Style M340S

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

A31 has approximately 124% more rectangular screen area than Galaxy M Style M340S.

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.