verykool s4009 Crystal vs Xolo A42

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

  A42: 2.5 mm narrower

  s4009 Crystal:

  66 mm

  A42:

  63.5 mm

• Depth

  A42: 0.5 mm thinner

  s4009 Crystal:

  10.7 mm

  A42:

  10.2 mm

• Height

  A42: 2.5 mm shorter

  s4009 Crystal:

  127 mm

  A42:

  124.5 mm

• Release year

  s4009 Crystal:

  2017

  A42:

  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. s4009 Crystal

   Height:

   127 mm +2.5 mm versus A42

   Width:

   66 mm +2.5 mm versus A42

   Depth:

   10.7 mm +0.5 mm versus A42

   Weight:

   Unknown

2. 2. A42

   Height:

   124.5 mm

   Width:

   63.5 mm

   Depth:

   10.2 mm

   Weight:

   Unknown

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. s4009 Crystal

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. A42

   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.