Palm Treo 650 vs Panasonic P91

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

  P91: 17 g lighter

  Treo 650:

  178 g

  P91:

  161 g

• Width

  Treo 650: 13.4 mm narrower

  Treo 650:

  59 mm

  P91:

  72.4 mm

• Screen diagonal

  Treo 650: 2.6 in smaller diagonal

  Treo 650:

  2.4 in

  P91:

  5 in

• Depth

  P91: 12.9 mm thinner

  Treo 650:

  23 mm

  P91:

  10.1 mm

• Height

  Treo 650: 31.7 mm shorter

  Treo 650:

  113 mm

  P91:

  144.7 mm

• Release year

  Treo 650:

  2004

  P91:

  2017

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 650

   Height:

   113 mm

   Width:

   59 mm

   Depth:

   23 mm +12.9 mm versus P91

2. 2. P91

   Height:

   144.7 mm +31.7 mm versus Treo 650

   Width:

   72.4 mm +13.4 mm versus Treo 650

   Depth:

   10.1 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. Treo 650

   Screen diagonal:

   2.4 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   18.6 cm²

2. 2. P91

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

P91 has approximately 270.9% more rectangular screen area than Treo 650.

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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.