QMobile Noir Z8 vs vivo Y28

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

  Noir Z8: 36 g lighter

  Noir Z8:

  120 g

  Y28:

  156 g

• Width

  Y28: 3.4 mm narrower

  Noir Z8:

  72 mm

  Y28:

  68.6 mm

• Screen diagonal

  Y28: 0.3 in smaller diagonal

  Noir Z8:

  5 in

  Y28:

  4.7 in

• Chipset

  Noir Z8:

  Qualcomm MSM8916 Snapdragon 410 (28 nm)

  Y28:

  Mediatek MT6582 (28 nm)

• Depth

  Noir Z8: 2.3 mm thinner

  Noir Z8:

  7.5 mm

  Y28:

  9.8 mm

• Height

  Y28: 6.1 mm shorter

  Noir Z8:

  143.5 mm

  Y28:

  137.4 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 Z8

   Height:

   143.5 mm +6.1 mm versus Y28

   Width:

   72 mm +3.4 mm versus Y28

   Depth:

   7.5 mm

2. 2. Y28

   Height:

   137.4 mm

   Width:

   68.6 mm

   Depth:

   9.8 mm +2.3 mm versus Noir Z8

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 Z8

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Y28

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:10

   Approximate rectangular screen area:

   64.1 cm²

Noir Z8 has approximately 7.6% more rectangular screen area than Y28.

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.