QMobile Noir A550 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.

• Width

  Noir A550: 2.6 mm narrower

  Noir A550:

  66 mm

  Y28:

  68.6 mm

• Screen diagonal

  Noir A550: 0.2 in smaller diagonal

  Noir A550:

  4.5 in

  Y28:

  4.7 in

• Depth

  Noir A550: 0.9 mm thinner

  Noir A550:

  8.9 mm

  Y28:

  9.8 mm

• Height

  Noir A550: 5.4 mm shorter

  Noir A550:

  132 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 A550

   Height:

   132 mm

   Width:

   66 mm

   Depth:

   8.9 mm

   Weight:

   Unknown

2. 2. Y28

   Height:

   137.4 mm +5.4 mm versus Noir A550

   Width:

   68.6 mm +2.6 mm versus Noir A550

   Depth:

   9.8 mm +0.9 mm versus Noir A550

   Weight:

   156 g

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 A550

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

2. 2. Y28

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:10

   Approximate rectangular screen area:

   64.1 cm²

Y28 has approximately 14.7% more rectangular screen area than Noir A550.

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.