QMobile Noir X550 vs vivo X7

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 X550:

  LCD

  X7:

  OLED

• Width

  Noir X550: 2.1 mm narrower

  Noir X550:

  69.2 mm

  X7:

  71.3 mm

• Screen diagonal

  Noir X550: 0.5 in smaller diagonal

  Noir X550:

  4.7 in

  X7:

  5.2 in

• Chipset

  Noir X550:

  Mediatek MT6582 (28 nm)

  X7:

  Qualcomm MSM8976 Snapdragon 652 (28 nm)

• Depth

  X7: 0.7 mm thinner

  Noir X550:

  7.9 mm

  X7:

  7.2 mm

• Height

  Noir X550: 8.2 mm shorter

  Noir X550:

  139.1 mm

  X7:

  147.3 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 X550

   Height:

   139.1 mm

   Width:

   69.2 mm

   Depth:

   7.9 mm +0.7 mm versus X7

   Weight:

   Unknown

2. 2. X7

   Height:

   147.3 mm +8.2 mm versus Noir X550

   Width:

   71.3 mm +2.1 mm versus Noir X550

   Depth:

   7.2 mm

   Weight:

   151 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 X550

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

2. 2. X7

   Screen diagonal:

   5.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   74.5 cm²

X7 has approximately 22.4% more rectangular screen area than Noir X550.

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.