QMobile Noir Z7 vs Samsung Galaxy J4

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 Z7: 77.3 g lighter

  Noir Z7:

  97.7 g

  Galaxy J4:

  175 g

• Width

  Noir Z7: 9.8 mm narrower

  Noir Z7:

  67.4 mm

  Galaxy J4:

  77.2 mm

• Screen diagonal

  Noir Z7: 0.7 in smaller diagonal

  Noir Z7:

  4.8 in

  Galaxy J4:

  5.5 in

• Memory variants

  At 16 GB storage

  Noir Z7:

  1 GB RAM

  Galaxy J4:

  2 GB RAM

• Chipset

  Noir Z7:

  Mediatek MT6592 (28 nm)

  Galaxy J4:

  Exynos 7570 Quad (14 nm)

• Depth

  Noir Z7: 2.9 mm thinner

  Noir Z7:

  5.2 mm

  Galaxy J4:

  8.1 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 Z7

   Height:

   139.8 mm

   Width:

   67.4 mm

   Depth:

   5.2 mm

2. 2. Galaxy J4

   Height:

   151.7 mm +11.9 mm versus Noir Z7

   Width:

   77.2 mm +9.8 mm versus Noir Z7

   Depth:

   8.1 mm +2.9 mm versus Noir Z7

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 Z7

   Screen diagonal:

   4.8 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   63.5 cm²

2. 2. Galaxy J4

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Galaxy J4 has approximately 31.3% more rectangular screen area than Noir Z7.

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.