Lava Iris 506Q 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: 34.5 g lighter

  Iris 506Q:

  143.5 g

  Billy 4:

  109 g

• Width

  Billy 4: 8.6 mm narrower

  Iris 506Q:

  73 mm

  Billy 4:

  64.4 mm

• Screen diagonal

  Billy 4: 1 in smaller diagonal

  Iris 506Q:

  5 in

  Billy 4:

  4 in

• Depth

  Iris 506Q: 1 mm thinner

  Iris 506Q:

  8.9 mm

  Billy 4:

  9.9 mm

• Height

  Billy 4: 20.5 mm shorter

  Iris 506Q:

  143 mm

  Billy 4:

  122.5 mm

• Release year

  Iris 506Q:

  2013

  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. Iris 506Q

   Height:

   143 mm +20.5 mm versus Billy 4

   Width:

   73 mm +8.6 mm versus Billy 4

   Depth:

   8.9 mm

2. 2. Billy 4

   Height:

   122.5 mm

   Width:

   64.4 mm

   Depth:

   9.9 mm +1 mm versus Iris 506Q

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. Iris 506Q

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Billy 4

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

Iris 506Q has approximately 51.3% more rectangular screen area than Billy 4.

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.