A1 Smart N9 vs Celkon Q405

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

  Q405: 8 g lighter

  Smart N9:

  145 g

  Q405:

  137 g

• Width

  Q405: 4.6 mm narrower

  Smart N9:

  68.8 mm

  Q405:

  64.2 mm

• Screen diagonal

  Q405: 1.5 in smaller diagonal

  Smart N9:

  5.5 in

  Q405:

  4 in

• Chipset

  Smart N9:

  Mediatek MT6739WA (28 nm)

  Q405:

  Spreadtrum 7731

• Depth

  Smart N9: 1.2 mm thinner

  Smart N9:

  8.7 mm

  Q405:

  9.9 mm

• Height

  Q405: 23.1 mm shorter

  Smart N9:

  147.1 mm

  Q405:

  124 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. Smart N9

   Height:

   147.1 mm +23.1 mm versus Q405

   Width:

   68.8 mm +4.6 mm versus Q405

   Depth:

   8.7 mm

2. 2. Q405

   Height:

   124 mm

   Width:

   64.2 mm

   Depth:

   9.9 mm +1.2 mm versus Smart N9

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. Smart N9

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   78.1 cm²

2. 2. Q405

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

Smart N9 has approximately 71.4% more rectangular screen area than Q405.

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.