Samsung i637 Jack vs T-Mobile MDA Vario IV

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

  i637 Jack: 62.9 g lighter

  i637 Jack:

  102.1 g

  MDA Vario IV:

  165 g

• Width

  MDA Vario IV: 10 mm narrower

  i637 Jack:

  61 mm

  MDA Vario IV:

  51 mm

• Screen diagonal

  i637 Jack: 0.4 in smaller diagonal

  i637 Jack:

  2.4 in

  MDA Vario IV:

  2.8 in

• Depth

  i637 Jack: 5.4 mm thinner

  i637 Jack:

  12.7 mm

  MDA Vario IV:

  18.1 mm

• Height

  MDA Vario IV: 15 mm shorter

  i637 Jack:

  117 mm

  MDA Vario IV:

  102 mm

• Release year

  i637 Jack:

  2009

  MDA Vario IV:

  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. i637 Jack

   Height:

   117 mm +15 mm versus MDA Vario IV

   Width:

   61 mm +10 mm versus MDA Vario IV

   Depth:

   12.7 mm

2. 2. MDA Vario IV

   Height:

   102 mm

   Width:

   51 mm

   Depth:

   18.1 mm +5.4 mm versus i637 Jack

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. i637 Jack

   Screen diagonal:

   2.4 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   17.8 cm²

2. 2. MDA Vario IV

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

MDA Vario IV has approximately 36.1% more rectangular screen area than i637 Jack.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.