BLU Vivo Air vs QMobile Noir X450

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

  Vivo Air: 53 g lighter

  Vivo Air:

  97 g

  Noir X450:

  150 g

• Width

  Vivo Air: 6.9 mm narrower

  Vivo Air:

  67.4 mm

  Noir X450:

  74.3 mm

• Screen diagonal

  Vivo Air: 0.2 in smaller diagonal

  Vivo Air:

  4.8 in

  Noir X450:

  5 in

• Chipset

  Vivo Air:

  Mediatek MT6592 (28 nm)

  Noir X450:

  Mediatek MT6582M (28 nm)

• Depth

  Vivo Air: 3.5 mm thinner

  Vivo Air:

  5.1 mm

  Noir X450:

  8.6 mm

• Height

  Vivo Air: 3 mm shorter

  Vivo Air:

  139.8 mm

  Noir X450:

  142.8 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. Vivo Air

   Height:

   139.8 mm

   Width:

   67.4 mm

   Depth:

   5.1 mm

2. 2. Noir X450

   Height:

   142.8 mm +3 mm versus Vivo Air

   Width:

   74.3 mm +6.9 mm versus Vivo Air

   Depth:

   8.6 mm +3.5 mm versus Vivo Air

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. Vivo Air

   Screen diagonal:

   4.8 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   63.5 cm²

2. 2. Noir X450

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Noir X450 has approximately 8.5% more rectangular screen area than Vivo Air.

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.