Lava Z90 vs vivo iQOO

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.

• Display technology

  OLED versus LCD

  Z90:

  LCD

  iQOO:

  OLED

• Weight

  Z90: 21 g lighter

  Z90:

  159 g

  iQOO:

  180 g

• Width

  Z90: 2.1 mm narrower

  Z90:

  73.1 mm

  iQOO:

  75.2 mm

• Screen diagonal

  Z90: 1.21 in smaller diagonal

  Z90:

  5.2 in

  iQOO:

  6.41 in

• Chipset

  Z90:

  Mediatek MT6737 (28 nm)

  iQOO:

  Qualcomm SDM855 Snapdragon 855 (7 nm)

• Height

  Z90: 9.2 mm shorter

  Z90:

  148.5 mm

  iQOO:

  157.7 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. Z90

   Height:

   148.5 mm

   Width:

   73.1 mm

   Depth:

   8.1 mm

2. 2. iQOO

   Height:

   157.7 mm +9.2 mm versus Z90

   Width:

   75.2 mm +2.1 mm versus Z90

   Depth:

   8.5 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. Z90

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 cm²

2. 2. iQOO

   Screen diagonal:

   6.41 in

   Aspect ratio (height:width):

   19.5:9

   Approximate rectangular screen area:

   100.9 cm²

iQOO has approximately 35.3% more rectangular screen area than Z90.

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.