T-Mobile MDA Compact IV vs verykool RS90

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

  MDA Compact IV: 103 g lighter

  MDA Compact IV:

  98 g

  RS90:

  201 g

• Width

  MDA Compact IV: 23.6 mm narrower

  MDA Compact IV:

  52 mm

  RS90:

  75.6 mm

• Screen diagonal

  MDA Compact IV: 1.7 in smaller diagonal

  MDA Compact IV:

  2.8 in

  RS90:

  4.5 in

• Height

  MDA Compact IV: 34 mm shorter

  MDA Compact IV:

  110 mm

  RS90:

  144 mm

• Release year

  MDA Compact IV:

  2008

  RS90:

  2013

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. MDA Compact IV

   Height:

   110 mm

   Width:

   52 mm

   Depth:

   12 mm

2. 2. RS90

   Height:

   144 mm +34 mm versus MDA Compact IV

   Width:

   75.6 mm +23.6 mm versus MDA Compact IV

   Depth:

   12.1 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. MDA Compact IV

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

2. 2. RS90

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

RS90 has approximately 129.9% more rectangular screen area than MDA Compact IV.

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.