Oppo A39 vs Samsung i640

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.

• Width

  i640: 11.9 mm narrower

  A39:

  72.9 mm

  i640:

  61 mm

• Screen diagonal

  i640: 2.8 in smaller diagonal

  A39:

  5.2 in

  i640:

  2.4 in

• Depth

  A39: 9.2 mm thinner

  A39:

  7.7 mm

  i640:

  16.9 mm

• Height

  i640: 54.7 mm shorter

  A39:

  149.1 mm

  i640:

  94.4 mm

• Release year

  A39:

  2017

  i640:

  2008

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. A39

   Height:

   149.1 mm +54.7 mm versus i640

   Width:

   72.9 mm +11.9 mm versus i640

   Depth:

   7.7 mm

2. 2. i640

   Height:

   94.4 mm

   Width:

   61 mm

   Depth:

   16.9 mm +9.2 mm versus A39

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. A39

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 cm²

2. 2. i640

   Screen diagonal:

   2.4 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   17.8 cm²

A39 has approximately 317.9% more rectangular screen area than i640.

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.