QMobile Noir Z9 Plus vs vivo Y81

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

  Noir Z9 Plus:

  OLED

  Y81:

  LCD

• Weight

  Y81: 11.5 g lighter

  Noir Z9 Plus:

  158 g

  Y81:

  146.5 g

• Width

  Y81: 1.4 mm narrower

  Noir Z9 Plus:

  76.4 mm

  Y81:

  75 mm

• Screen diagonal

  Noir Z9 Plus: 0.72 in smaller diagonal

  Noir Z9 Plus:

  5.5 in

  Y81:

  6.22 in

• Chipset

  Noir Z9 Plus:

  Mediatek MT6753 (28 nm)

  Y81:

  Mediatek MT6762 Helio P22 (12 nm)

• Depth

  Noir Z9 Plus: 0.6 mm thinner

  Noir Z9 Plus:

  7.2 mm

  Y81:

  7.8 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. Noir Z9 Plus

   Height:

   155 mm

   Width:

   76.4 mm +1.4 mm versus Y81

   Depth:

   7.2 mm

2. 2. Y81

   Height:

   155.1 mm

   Width:

   75 mm

   Depth:

   7.8 mm +0.6 mm versus Noir Z9 Plus

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. Noir Z9 Plus

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. Y81

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

Y81 has approximately 15.8% more rectangular screen area than Noir Z9 Plus.

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.