Sony Ericsson P900 vs Yezz Billy 4

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

  Billy 4: 41 g lighter

  P900:

  150 g

  Billy 4:

  109 g

• Width

  P900: 7.4 mm narrower

  P900:

  57 mm

  Billy 4:

  64.4 mm

• Screen diagonal

  P900: 1.1 in smaller diagonal

  P900:

  2.9 in

  Billy 4:

  4 in

• Depth

  Billy 4: 14.1 mm thinner

  P900:

  24 mm

  Billy 4:

  9.9 mm

• Height

  P900: 7.5 mm shorter

  P900:

  115 mm

  Billy 4:

  122.5 mm

• Release year

  P900:

  2003

  Billy 4:

  2014

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. P900

   Height:

   115 mm

   Width:

   57 mm

   Depth:

   24 mm +14.1 mm versus Billy 4

2. 2. Billy 4

   Height:

   122.5 mm +7.5 mm versus P900

   Width:

   64.4 mm +7.4 mm versus P900

   Depth:

   9.9 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. P900

   Screen diagonal:

   2.9 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   25 cm²

2. 2. Billy 4

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

Billy 4 has approximately 81.9% more rectangular screen area than P900.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.