QMobile Noir J7 vs Xolo A42

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

  A42: 13.3 mm narrower

  Noir J7:

  76.8 mm

  A42:

  63.5 mm

• Screen diagonal

  A42: 1.5 in smaller diagonal

  Noir J7:

  5.5 in

  A42:

  4 in

• Depth

  Noir J7: 1.4 mm thinner

  Noir J7:

  8.8 mm

  A42:

  10.2 mm

• Height

  A42: 29.5 mm shorter

  Noir J7:

  154 mm

  A42:

  124.5 mm

• Release year

  Noir J7:

  2016

  A42:

  2014

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 +29.5 mm versus A42

   Width:

   76.8 mm +13.3 mm versus A42

   Depth:

   8.8 mm

   Weight:

   183 g

2. 2. A42

   Height:

   124.5 mm

   Width:

   63.5 mm

   Depth:

   10.2 mm +1.4 mm versus Noir J7

   Weight:

   Unknown

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. A42

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

Noir J7 has approximately 83.1% more rectangular screen area than A42.

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.