verykool s4002 Leo 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

  s4002 Leo: 1.4 mm narrower

  s4002 Leo:

  63 mm

  Billy 4:

  64.4 mm

• Chipset

  s4002 Leo:

  Mediatek MT6571E

  Billy 4:

  Qualcomm MSM8212 Snapdragon 200 (28 nm)

• Depth

  Billy 4: 0.8 mm thinner

  s4002 Leo:

  10.7 mm

  Billy 4:

  9.9 mm

• Release year

  s4002 Leo:

  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. s4002 Leo

   Height:

   122 mm

   Width:

   63 mm

   Depth:

   10.7 mm +0.8 mm versus Billy 4

2. 2. Billy 4

   Height:

   122.5 mm

   Width:

   64.4 mm +1.4 mm versus s4002 Leo

   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. s4002 Leo

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. Billy 4

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

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.