Microsoft Lumia 640 LTE vs Palm Pre Plus

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

  Pre Plus: 7 g lighter

  Lumia 640 LTE:

  145 g

  Pre Plus:

  138 g

• Width

  Pre Plus: 12.7 mm narrower

  Lumia 640 LTE:

  72.2 mm

  Pre Plus:

  59.5 mm

• Screen diagonal

  Pre Plus: 1.9 in smaller diagonal

  Lumia 640 LTE:

  5 in

  Pre Plus:

  3.1 in

• Depth

  Lumia 640 LTE: 8.1 mm thinner

  Lumia 640 LTE:

  8.8 mm

  Pre Plus:

  16.9 mm

• Height

  Pre Plus: 40.8 mm shorter

  Lumia 640 LTE:

  141.3 mm

  Pre Plus:

  100.5 mm

• Release year

  Lumia 640 LTE:

  2015

  Pre Plus:

  2010

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 640 LTE

   Height:

   141.3 mm +40.8 mm versus Pre Plus

   Width:

   72.2 mm +12.7 mm versus Pre Plus

   Depth:

   8.8 mm

2. 2. Pre Plus

   Height:

   100.5 mm

   Width:

   59.5 mm

   Depth:

   16.9 mm +8.1 mm versus Lumia 640 LTE

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 640 LTE

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Pre Plus

   Screen diagonal:

   3.1 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   28.6 cm²

Lumia 640 LTE has approximately 140.8% more rectangular screen area than Pre Plus.

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.