Celkon A40 vs Nokia N78

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

  N78: 24.7 g lighter

  A40:

  126.5 g

  N78:

  101.8 g

• Width

  N78: 15 mm narrower

  A40:

  64 mm

  N78:

  49 mm

• Screen diagonal

  N78: 1.6 in smaller diagonal

  A40:

  4 in

  N78:

  2.4 in

• Depth

  A40: 4.3 mm thinner

  A40:

  10.8 mm

  N78:

  15.1 mm

• Height

  N78: 13.2 mm shorter

  A40:

  126.2 mm

  N78:

  113 mm

• Release year

  A40:

  2014

  N78:

  2008

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. A40

   Height:

   126.2 mm +13.2 mm versus N78

   Width:

   64 mm +15 mm versus N78

   Depth:

   10.8 mm

2. 2. N78

   Height:

   113 mm

   Width:

   49 mm

   Depth:

   15.1 mm +4.3 mm versus A40

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. A40

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   45.5 cm²

2. 2. N78

   Screen diagonal:

   2.4 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   17.8 cm²

A40 has approximately 155.3% more rectangular screen area than N78.

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.