Nokia Lumia 820 vs Palm Treo Pro

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

  Treo Pro: 27 g lighter

  Lumia 820:

  160 g

  Treo Pro:

  133 g

• Width

  Treo Pro: 8.5 mm narrower

  Lumia 820:

  68.5 mm

  Treo Pro:

  60 mm

• Screen diagonal

  Treo Pro: 1.8 in smaller diagonal

  Lumia 820:

  4.3 in

  Treo Pro:

  2.5 in

• Chipset

  Lumia 820:

  Qualcomm MSM8960 Snapdragon S4 Plus

  Treo Pro:

  Qualcomm MSM7201

• Depth

  Lumia 820: 3.5 mm thinner

  Lumia 820:

  9.9 mm

  Treo Pro:

  13.4 mm

• Height

  Treo Pro: 9.8 mm shorter

  Lumia 820:

  123.8 mm

  Treo Pro:

  114 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. Lumia 820

   Height:

   123.8 mm +9.8 mm versus Treo Pro

   Width:

   68.5 mm +8.5 mm versus Treo Pro

   Depth:

   9.9 mm

2. 2. Treo Pro

   Height:

   114 mm

   Width:

   60 mm

   Depth:

   13.4 mm +3.5 mm versus Lumia 820

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. Lumia 820

   Screen diagonal:

   4.3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   52.6 cm²

2. 2. Treo Pro

   Screen diagonal:

   2.5 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   20.2 cm²

Lumia 820 has approximately 161% 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.