Lava Flair E2 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.

• Width

  Flair E2: 3.4 mm narrower

  Flair E2:

  61 mm

  Billy 4:

  64.4 mm

• Screen diagonal

  Flair E2: 0.5 in smaller diagonal

  Flair E2:

  3.5 in

  Billy 4:

  4 in

• Depth

  Billy 4: 2.1 mm thinner

  Flair E2:

  12 mm

  Billy 4:

  9.9 mm

• Height

  Flair E2: 9.5 mm shorter

  Flair E2:

  113 mm

  Billy 4:

  122.5 mm

• Release year

  Flair E2:

  2015

  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. Flair E2

   Height:

   113 mm

   Width:

   61 mm

   Depth:

   12 mm +2.1 mm versus Billy 4

   Weight:

   Unknown

2. 2. Billy 4

   Height:

   122.5 mm +9.5 mm versus Flair E2

   Width:

   64.4 mm +3.4 mm versus Flair E2

   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. Flair E2

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 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 24.8% more rectangular screen area than Flair E2.

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.