O2 Xphone vs T-Mobile Sidekick

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

  Xphone: 8 mm narrower

  Xphone:

  50 mm

  Sidekick:

  58 mm

• Screen diagonal

  Xphone: 0.4 in smaller diagonal

  Xphone:

  2.2 in

  Sidekick:

  2.6 in

• Depth

  Sidekick: 6 mm thinner

  Xphone:

  24 mm

  Sidekick:

  18 mm

• Release year

  Xphone:

  2003

  Sidekick:

  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. Xphone

   Height:

   120 mm

   Width:

   50 mm

   Depth:

   24 mm +6 mm versus Sidekick

2. 2. Sidekick

   Height:

   119 mm

   Width:

   58 mm +8 mm versus Xphone

   Depth:

   18 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.

At least two phones need compatible screen dimensions for a drawing.

1. 1. Xphone

   Xphone: Screen geometry unavailable or conflicting.

2. 2. Sidekick

   Screen diagonal:

   2.6 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   19.2 cm²

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.