Lava Z81 vs O2 XDA Exec

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

  Z81: 144 g lighter

  Z81:

  141 g

  XDA Exec:

  285 g

• Width

  Z81: 8 mm narrower

  Z81:

  73 mm

  XDA Exec:

  81 mm

• Screen diagonal

  XDA Exec: 2.1 in smaller diagonal

  Z81:

  5.7 in

  XDA Exec:

  3.6 in

• Depth

  Z81: 17.1 mm thinner

  Z81:

  7.9 mm

  XDA Exec:

  25 mm

• Height

  XDA Exec: 25.2 mm shorter

  Z81:

  152.2 mm

  XDA Exec:

  127 mm

• Release year

  Z81:

  2018

  XDA Exec:

  2005

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. Z81

   Height:

   152.2 mm +25.2 mm versus XDA Exec

   Width:

   73 mm

   Depth:

   7.9 mm

2. 2. XDA Exec

   Height:

   127 mm

   Width:

   81 mm +8 mm versus Z81

   Depth:

   25 mm +17.1 mm versus Z81

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. Z81

   Screen diagonal:

   5.7 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   83.8 cm²

2. 2. XDA Exec

   Screen diagonal:

   3.6 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   40.1 cm²

Z81 has approximately 108.9% more rectangular screen area than XDA Exec.

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.