Lava Iris 404e vs Lava Z40

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 404e: 7 g lighter

  Iris 404e:

  113 g

  Z40:

  120 g

• Depth

  Iris 404e: 1.8 mm thinner

  Iris 404e:

  9.9 mm

  Z40:

  11.7 mm

• Release year

  Iris 404e:

  2013

  Z40:

  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 404e

   Height:

   125 mm

   Width:

   64 mm

   Depth:

   9.9 mm

2. 2. Z40

   Height:

   125.5 mm

   Width:

   63.9 mm

   Depth:

   11.7 mm +1.8 mm versus Iris 404e

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 404e

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. Z40

   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.

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.