Palm Treo Pro vs Posh Icon HD X551

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

  Icon HD X551: 18 g lighter

  Treo Pro:

  133 g

  Icon HD X551:

  115 g

• Width

  Treo Pro: 19 mm narrower

  Treo Pro:

  60 mm

  Icon HD X551:

  79 mm

• Screen diagonal

  Treo Pro: 3 in smaller diagonal

  Treo Pro:

  2.5 in

  Icon HD X551:

  5.5 in

• Chipset

  Treo Pro:

  Qualcomm MSM7201

  Icon HD X551:

  Mediatek MT6580A (28 nm)

• Depth

  Icon HD X551: 5.2 mm thinner

  Treo Pro:

  13.4 mm

  Icon HD X551:

  8.2 mm

• Height

  Treo Pro: 39.2 mm shorter

  Treo Pro:

  114 mm

  Icon HD X551:

  153.2 mm

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. Treo Pro

   Height:

   114 mm

   Width:

   60 mm

   Depth:

   13.4 mm +5.2 mm versus Icon HD X551

2. 2. Icon HD X551

   Height:

   153.2 mm +39.2 mm versus Treo Pro

   Width:

   79 mm +19 mm versus Treo Pro

   Depth:

   8.2 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. Treo Pro

   Screen diagonal:

   2.5 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   20.2 cm²

2. 2. Icon HD X551

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Icon HD X551 has approximately 313.6% more rectangular screen area than Treo Pro.

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.