Unnecto Drone XS vs verykool s401

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

  s401: 13 g lighter

  Drone XS:

  113 g

  s401:

  100 g

• Width

  Drone XS: 4 mm narrower

  Drone XS:

  61 mm

  s401:

  65 mm

• Screen diagonal

  Drone XS: 0.5 in smaller diagonal

  Drone XS:

  3.5 in

  s401:

  4 in

• Height

  Drone XS: 11 mm shorter

  Drone XS:

  115 mm

  s401:

  126 mm

• Release year

  Drone XS:

  2016

  s401:

  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. Drone XS

   Height:

   115 mm

   Width:

   61 mm

   Depth:

   10.5 mm

2. 2. s401

   Height:

   126 mm +11 mm versus Drone XS

   Width:

   65 mm +4 mm versus Drone XS

   Depth:

   10.4 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. Drone XS

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

2. 2. s401

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

s401 has approximately 24.8% more rectangular screen area than Drone XS.

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.