Palm Pre vs vivo Y31

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.

• Width

  Pre: 9.3 mm narrower

  Pre:

  59.5 mm

  Y31:

  68.8 mm

• Screen diagonal

  Pre: 1.6 in smaller diagonal

  Pre:

  3.1 in

  Y31:

  4.7 in

• Depth

  Y31: 8.5 mm thinner

  Pre:

  16.9 mm

  Y31:

  8.4 mm

• Height

  Pre: 36.7 mm shorter

  Pre:

  100.5 mm

  Y31:

  137.2 mm

• Release year

  Pre:

  2009

  Y31:

  2015

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. Pre

   Height:

   100.5 mm

   Width:

   59.5 mm

   Depth:

   16.9 mm +8.5 mm versus Y31

2. 2. Y31

   Height:

   137.2 mm +36.7 mm versus Pre

   Width:

   68.8 mm +9.3 mm versus Pre

   Depth:

   8.4 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. Pre

   Screen diagonal:

   3.1 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   28.6 cm²

2. 2. Y31

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

Y31 has approximately 112.8% more rectangular screen area than Pre.

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.