Microsoft Lumia 640 LTE vs QMobile Noir J7

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

  Lumia 640 LTE: 38 g lighter

  Lumia 640 LTE:

  145 g

  Noir J7:

  183 g

• Width

  Lumia 640 LTE: 4.6 mm narrower

  Lumia 640 LTE:

  72.2 mm

  Noir J7:

  76.8 mm

• Screen diagonal

  Lumia 640 LTE: 0.5 in smaller diagonal

  Lumia 640 LTE:

  5 in

  Noir J7:

  5.5 in

• Chipset

  Lumia 640 LTE:

  Qualcomm MSM8926 Snapdragon 400 (28 nm)

  Noir J7:

  Mediatek MT6595

• Height

  Lumia 640 LTE: 12.7 mm shorter

  Lumia 640 LTE:

  141.3 mm

  Noir J7:

  154 mm

• Release year

  Lumia 640 LTE:

  2015

  Noir J7:

  2016

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

   Width:

   72.2 mm

   Depth:

   8.8 mm

2. 2. Noir J7

   Height:

   154 mm +12.7 mm versus Lumia 640 LTE

   Width:

   76.8 mm +4.6 mm versus Lumia 640 LTE

   Depth:

   8.8 mm

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 J7

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Noir J7 has approximately 21% more rectangular screen area than Lumia 640 LTE.

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.