QMobile Noir X550 vs T-Mobile HD2

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

  HD2: 2.2 mm narrower

  Noir X550:

  69.2 mm

  HD2:

  67 mm

• Screen diagonal

  HD2: 0.4 in smaller diagonal

  Noir X550:

  4.7 in

  HD2:

  4.3 in

• Chipset

  Noir X550:

  Mediatek MT6582 (28 nm)

  HD2:

  Qualcomm QSD8250 Snapdragon S1

• Depth

  Noir X550: 3.1 mm thinner

  Noir X550:

  7.9 mm

  HD2:

  11 mm

• Height

  HD2: 17.1 mm shorter

  Noir X550:

  139.1 mm

  HD2:

  122 mm

• Release year

  Noir X550:

  2015

  HD2:

  2010

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 X550

   Height:

   139.1 mm +17.1 mm versus HD2

   Width:

   69.2 mm +2.2 mm versus HD2

   Depth:

   7.9 mm

   Weight:

   Unknown

2. 2. HD2

   Height:

   122 mm

   Width:

   67 mm

   Depth:

   11 mm +3.1 mm versus Noir X550

   Weight:

   157 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 X550

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

2. 2. HD2

   Screen diagonal:

   4.3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   52.6 cm²

Noir X550 has approximately 15.7% more rectangular screen area than HD2.

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.