Celkon Win 400 vs QMobile Noir X550

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

  Win 400: 4.2 mm narrower

  Win 400:

  65 mm

  Noir X550:

  69.2 mm

• Screen diagonal

  Win 400: 0.7 in smaller diagonal

  Win 400:

  4 in

  Noir X550:

  4.7 in

• Chipset

  Win 400:

  Qualcomm MSM8212 Snapdragon 200 (28 nm)

  Noir X550:

  Mediatek MT6582 (28 nm)

• Depth

  Noir X550: 2.4 mm thinner

  Win 400:

  10.3 mm

  Noir X550:

  7.9 mm

• Height

  Win 400: 13.7 mm shorter

  Win 400:

  125.4 mm

  Noir X550:

  139.1 mm

• Release year

  Win 400:

  2014

  Noir X550:

  2015

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. Win 400

   Height:

   125.4 mm

   Width:

   65 mm

   Depth:

   10.3 mm +2.4 mm versus Noir X550

   Weight:

   120.6 g

2. 2. Noir X550

   Height:

   139.1 mm +13.7 mm versus Win 400

   Width:

   69.2 mm +4.2 mm versus Win 400

   Depth:

   7.9 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. Win 400

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. Noir X550

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

Noir X550 has approximately 33.7% more rectangular screen area than Win 400.

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.