Palm Centro 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.

• WeightBilly 4: 15 g lighterBilly 4: 109 g · Centro: 124 g
• WidthCentro: 10.9 mm narrowerCentro: 53.5 mm · Billy 4: 64.4 mm
• Screen diagonalCentro: 1.75 in smaller diagonalCentro: 2.25 in · Billy 4: 4 in
• DepthBilly 4: 8.7 mm thinnerBilly 4: 9.9 mm · Centro: 18.6 mm
• HeightCentro: 15.3 mm shorterCentro: 107.2 mm · Billy 4: 122.5 mm
• Release year2008 / 2014Centro: 2008 · 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. Centro

   Height

   107.2 mm

   Width

   53.5 mm

   Depth

   18.6 mm+8.7 mm versus Billy 4

   Weight

   124 g

2. 2. Billy 4

   Height

   122.5 mm+15.3 mm versus Centro

   Width

   64.4 mm+10.9 mm versus Centro

   Depth

   9.9 mm

   Weight

   109 g

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. Centro 2.25 in · 1:1 About 16.3 cm² rectangular area
2. 2. Billy 4 4 in · 5:3 About 45.5 cm² rectangular area

Billy 4 has approximately 178.9% more rectangular screen area than Centro.

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.