A1 Smart N9 vs QMobile Noir X400

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

  Noir X400: 3.8 mm narrower

  Smart N9:

  68.8 mm

  Noir X400:

  65 mm

• Screen diagonal

  Noir X400: 1 in smaller diagonal

  Smart N9:

  5.5 in

  Noir X400:

  4.5 in

• Chipset

  Smart N9:

  Mediatek MT6739WA (28 nm)

  Noir X400:

  Mediatek MT6582 (28 nm)

• Depth

  Noir X400: 0.9 mm thinner

  Smart N9:

  8.7 mm

  Noir X400:

  7.8 mm

• Height

  Noir X400: 16.1 mm shorter

  Smart N9:

  147.1 mm

  Noir X400:

  131 mm

• Release year

  Smart N9:

  2018

  Noir X400:

  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. Smart N9

   Height:

   147.1 mm +16.1 mm versus Noir X400

   Width:

   68.8 mm +3.8 mm versus Noir X400

   Depth:

   8.7 mm +0.9 mm versus Noir X400

   Weight:

   145 g

2. 2. Noir X400

   Height:

   131 mm

   Width:

   65 mm

   Depth:

   7.8 mm

   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. Smart N9

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   78.1 cm²

2. 2. Noir X400

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

Smart N9 has approximately 39.8% more rectangular screen area than Noir X400.

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.