Celkon A9 Dual vs Philips D633

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

  A9 Dual: 38 g lighter

  A9 Dual:

  116 g

  D633:

  154 g

• Screen diagonal

  A9 Dual: 0.5 in smaller diagonal

  A9 Dual:

  3.5 in

  D633:

  4 in

• Depth

  A9 Dual: 0.9 mm thinner

  A9 Dual:

  10.6 mm

  D633:

  11.5 mm

• Height

  A9 Dual: 4.9 mm shorter

  A9 Dual:

  120.5 mm

  D633:

  125.4 mm

• Release year

  A9 Dual:

  2014

  D633:

  2012

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. A9 Dual

   Height:

   120.5 mm

   Width:

   63.9 mm

   Depth:

   10.6 mm

2. 2. D633

   Height:

   125.4 mm +4.9 mm versus A9 Dual

   Width:

   63.9 mm

   Depth:

   11.5 mm +0.9 mm versus A9 Dual

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. A9 Dual

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

2. 2. D633

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

D633 has approximately 24.8% more rectangular screen area than A9 Dual.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.