Microsoft Lumia 640 LTE vs QMobile Noir X800

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 X800: 4.2 mm narrower

  Lumia 640 LTE:

  72.2 mm

  Noir X800:

  68 mm

• Screen diagonal

  Noir X800: 0.3 in smaller diagonal

  Lumia 640 LTE:

  5 in

  Noir X800:

  4.7 in

• Chipset

  Lumia 640 LTE:

  Qualcomm MSM8926 Snapdragon 400 (28 nm)

  Noir X800:

  Mediatek MT6592M (28 nm)

• Depth

  Noir X800: 1.2 mm thinner

  Lumia 640 LTE:

  8.8 mm

  Noir X800:

  7.6 mm

• Height

  Noir X800: 3.3 mm shorter

  Lumia 640 LTE:

  141.3 mm

  Noir X800:

  138 mm

• Release year

  Lumia 640 LTE:

  2015

  Noir X800:

  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. Lumia 640 LTE

   Height:

   141.3 mm +3.3 mm versus Noir X800

   Width:

   72.2 mm +4.2 mm versus Noir X800

   Depth:

   8.8 mm +1.2 mm versus Noir X800

   Weight:

   145 g

2. 2. Noir X800

   Height:

   138 mm

   Width:

   68 mm

   Depth:

   7.6 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. Lumia 640 LTE

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

2. 2. Noir X800

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

Lumia 640 LTE has approximately 13.2% more rectangular screen area than Noir X800.

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.