Amoi E78 vs Celkon Q450

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

  E78: 6.7 mm narrower

  E78:

  61 mm

  Q450:

  67.7 mm

• Screen diagonal

  E78: 2.04 in smaller diagonal

  E78:

  2.46 in

  Q450:

  4.5 in

• Depth

  Q450: 3 mm thinner

  E78:

  12.7 mm

  Q450:

  9.7 mm

• Height

  E78: 20 mm shorter

  E78:

  115 mm

  Q450:

  135 mm

• Release year

  E78:

  2007

  Q450:

  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. E78

   Height:

   115 mm

   Width:

   61 mm

   Depth:

   12.7 mm +3 mm versus Q450

2. 2. Q450

   Height:

   135 mm +20 mm versus E78

   Width:

   67.7 mm +6.7 mm versus E78

   Depth:

   9.7 mm

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. E78

   Screen diagonal:

   2.46 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   18.7 cm²

2. 2. Q450

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   57.6 cm²

Q450 has approximately 207.6% more rectangular screen area than E78.

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.