QMobile Noir X80 vs Xiaomi Mi 4

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 X80: 4.7 mm narrower

  Noir X80:

  63.8 mm

  Mi 4:

  68.5 mm

• Screen diagonal

  Noir X80: 1 in smaller diagonal

  Noir X80:

  4 in

  Mi 4:

  5 in

• Chipset

  Noir X80:

  Mediatek MT6572 (28 nm)

  Mi 4:

  Qualcomm MSM8974AC Snapdragon 801 (28 nm)

• Depth

  Mi 4: 1 mm thinner

  Noir X80:

  9.9 mm

  Mi 4:

  8.9 mm

• Height

  Noir X80: 15.1 mm shorter

  Noir X80:

  124.1 mm

  Mi 4:

  139.2 mm

• Release year

  Noir X80:

  2015

  Mi 4:

  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 X80

   Height:

   124.1 mm

   Width:

   63.8 mm

   Depth:

   9.9 mm +1 mm versus Mi 4

   Weight:

   Unknown

2. 2. Mi 4

   Height:

   139.2 mm +15.1 mm versus Noir X80

   Width:

   68.5 mm +4.7 mm versus Noir X80

   Depth:

   8.9 mm

   Weight:

   149 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 X80

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. Mi 4

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Mi 4 has approximately 51.3% more rectangular screen area than Noir X80.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.