QMobile Noir J7 vs vivo X30

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 J7:

  LCD

  X30:

  OLED

• Weight

  Noir J7: 13.5 g lighter

  Noir J7:

  183 g

  X30:

  196.5 g

• Width

  X30: 2.7 mm narrower

  Noir J7:

  76.8 mm

  X30:

  74.1 mm

• Screen diagonal

  Noir J7: 0.94 in smaller diagonal

  Noir J7:

  5.5 in

  X30:

  6.44 in

• Chipset

  Noir J7:

  Mediatek MT6595

  X30:

  Exynos 980 (8 nm)

• Rear camera layout

  Noir J7:

  Single

  X30:

  Triple

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 J7

   Height:

   154 mm

   Width:

   76.8 mm +2.7 mm versus X30

   Depth:

   8.8 mm

2. 2. X30

   Height:

   158.5 mm +4.5 mm versus Noir J7

   Width:

   74.1 mm

   Depth:

   8.8 mm

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 J7

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. X30

   Screen diagonal:

   6.44 in

   Aspect ratio (height:width):

   20:9

   Approximate rectangular screen area:

   100.1 cm²

X30 has approximately 20.1% more rectangular screen area than Noir J7.

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.