BlackBerry Key2 vs Palm Treo 650

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

  Key2: 10 g lighter

  Key2:

  168 g

  Treo 650:

  178 g

• Width

  Treo 650: 12.8 mm narrower

  Key2:

  71.8 mm

  Treo 650:

  59 mm

• Screen diagonal

  Treo 650: 2.1 in smaller diagonal

  Key2:

  4.5 in

  Treo 650:

  2.4 in

• Rear camera layout

  Key2:

  Dual

  Treo 650:

  Single

• Depth

  Key2: 14.5 mm thinner

  Key2:

  8.5 mm

  Treo 650:

  23 mm

• Height

  Treo 650: 38.4 mm shorter

  Key2:

  151.4 mm

  Treo 650:

  113 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. Key2

   Height:

   151.4 mm +38.4 mm versus Treo 650

   Width:

   71.8 mm +12.8 mm versus Treo 650

   Depth:

   8.5 mm

2. 2. Treo 650

   Height:

   113 mm

   Width:

   59 mm

   Depth:

   23 mm +14.5 mm versus Key2

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. Key2

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   60.3 cm²

2. 2. Treo 650

   Screen diagonal:

   2.4 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   18.6 cm²

Key2 has approximately 224.5% 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.