LG K40S vs QMobile Noir Z7

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.

• Display technology

  OLED versus LCD

  K40S:

  LCD

  Noir Z7:

  OLED

• Width

  Noir Z7: 6.5 mm narrower

  K40S:

  73.9 mm

  Noir Z7:

  67.4 mm

• Screen diagonal

  Noir Z7: 1.3 in smaller diagonal

  K40S:

  6.1 in

  Noir Z7:

  4.8 in

• Chipset

  K40S:

  Mediatek MT6762 Helio P22 (12 nm)

  Noir Z7:

  Mediatek MT6592 (28 nm)

• Rear camera layout

  K40S:

  Dual

  Noir Z7:

  Single

• Depth

  Noir Z7: 3.4 mm thinner

  K40S:

  8.6 mm

  Noir Z7:

  5.2 mm

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. K40S

   Height:

   156.3 mm +16.5 mm versus Noir Z7

   Width:

   73.9 mm +6.5 mm versus Noir Z7

   Depth:

   8.6 mm +3.4 mm versus Noir Z7

   Weight:

   Unknown

2. 2. Noir Z7

   Height:

   139.8 mm

   Width:

   67.4 mm

   Depth:

   5.2 mm

   Weight:

   97.7 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. K40S

   Screen diagonal:

   6.1 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   92.9 cm²

2. 2. Noir Z7

   Screen diagonal:

   4.8 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   63.5 cm²

K40S has approximately 46.2% more rectangular screen area than Noir Z7.

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.