Lava Iris X1 Atom S vs LG K40

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

  Iris X1 Atom S: 38 g lighter

  Iris X1 Atom S:

  112 g

  K40:

  150 g

• Width

  Iris X1 Atom S: 8.5 mm narrower

  Iris X1 Atom S:

  63.4 mm

  K40:

  71.9 mm

• Screen diagonal

  Iris X1 Atom S: 1.7 in smaller diagonal

  Iris X1 Atom S:

  4 in

  K40:

  5.7 in

• Depth

  K40: 1.4 mm thinner

  Iris X1 Atom S:

  9.7 mm

  K40:

  8.3 mm

• Height

  Iris X1 Atom S: 27.5 mm shorter

  Iris X1 Atom S:

  125.5 mm

  K40:

  153 mm

• Release year

  Iris X1 Atom S:

  2015

  K40:

  2019

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 X1 Atom S

   Height:

   125.5 mm

   Width:

   63.4 mm

   Depth:

   9.7 mm +1.4 mm versus K40

2. 2. K40

   Height:

   153 mm +27.5 mm versus Iris X1 Atom S

   Width:

   71.9 mm +8.5 mm versus Iris X1 Atom S

   Depth:

   8.3 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. Iris X1 Atom S

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. K40

   Screen diagonal:

   5.7 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   83.8 cm²

K40 has approximately 84.1% more rectangular screen area than Iris X1 Atom S.

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.