Palm Centro vs T-Mobile Sidekick 4G

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

  Centro: 38 g lighter

  Centro:

  124 g

  Sidekick 4G:

  162 g

• Width

  Centro: 7.5 mm narrower

  Centro:

  53.5 mm

  Sidekick 4G:

  61 mm

• Screen diagonal

  Centro: 1.25 in smaller diagonal

  Centro:

  2.25 in

  Sidekick 4G:

  3.5 in

• Depth

  Sidekick 4G: 3.6 mm thinner

  Centro:

  18.6 mm

  Sidekick 4G:

  15 mm

• Height

  Centro: 19.8 mm shorter

  Centro:

  107.2 mm

  Sidekick 4G:

  127 mm

• Release year

  Centro:

  2008

  Sidekick 4G:

  2011

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. Centro

   Height:

   107.2 mm

   Width:

   53.5 mm

   Depth:

   18.6 mm +3.6 mm versus Sidekick 4G

2. 2. Sidekick 4G

   Height:

   127 mm +19.8 mm versus Centro

   Width:

   61 mm +7.5 mm versus Centro

   Depth:

   15 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. Centro

   Screen diagonal:

   2.25 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   16.3 cm²

2. 2. Sidekick 4G

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   34.9 cm²

Sidekick 4G has approximately 113.5% more rectangular screen area than Centro.

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.