Lava Z40 vs Xolo Era 4K

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

  Z40: 7.9 mm narrower

  Z40:

  63.9 mm

  Era 4K:

  71.8 mm

• Screen diagonal

  Z40: 1 in smaller diagonal

  Z40:

  4 in

  Era 4K:

  5 in

• Memory variants

  At 8 GB storage

  Z40:

  1 GB RAM

  Era 4K:

  2 GB RAM

• Chipset

  Z40:

  Unisoc SC9832E

  Era 4K:

  Mediatek MT6735P (28 nm)

• Depth

  Era 4K: 2.5 mm thinner

  Z40:

  11.7 mm

  Era 4K:

  9.2 mm

• Height

  Z40: 17.5 mm shorter

  Z40:

  125.5 mm

  Era 4K:

  143 mm

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. Z40

   Height:

   125.5 mm

   Width:

   63.9 mm

   Depth:

   11.7 mm +2.5 mm versus Era 4K

   Weight:

   120 g

2. 2. Era 4K

   Height:

   143 mm +17.5 mm versus Z40

   Width:

   71.8 mm +7.9 mm versus Z40

   Depth:

   9.2 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. Z40

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. Era 4K

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Era 4K has approximately 51.3% more rectangular screen area than Z40.

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.