Energizer Power Max P550S vs QMobile Noir X450

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

  Noir X450: 53 g lighter

  Power Max P550S:

  203 g

  Noir X450:

  150 g

• Width

  Noir X450: 4 mm narrower

  Power Max P550S:

  78.3 mm

  Noir X450:

  74.3 mm

• Screen diagonal

  Noir X450: 0.5 in smaller diagonal

  Power Max P550S:

  5.5 in

  Noir X450:

  5 in

• Chipset

  Power Max P550S:

  Mediatek MT6737 (28 nm)

  Noir X450:

  Mediatek MT6582M (28 nm)

• Depth

  Noir X450: 0.8 mm thinner

  Power Max P550S:

  9.4 mm

  Noir X450:

  8.6 mm

• Height

  Noir X450: 11.5 mm shorter

  Power Max P550S:

  154.3 mm

  Noir X450:

  142.8 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. Power Max P550S

   Height:

   154.3 mm +11.5 mm versus Noir X450

   Width:

   78.3 mm +4 mm versus Noir X450

   Depth:

   9.4 mm +0.8 mm versus Noir X450

2. 2. Noir X450

   Height:

   142.8 mm

   Width:

   74.3 mm

   Depth:

   8.6 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. Power Max P550S

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. Noir X450

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Power Max P550S has approximately 21% more rectangular screen area than Noir X450.

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.