BlackBerry 6720 vs Celkon Q455

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

  Q455: 8 g lighter

  6720:

  138 g

  Q455:

  130 g

• Width

  Q455: 9 mm narrower

  6720:

  77 mm

  Q455:

  68 mm

• Screen diagonal

  6720: 1.5 in smaller diagonal

  6720:

  3 in

  Q455:

  4.5 in

• Depth

  Q455: 10.1 mm thinner

  6720:

  18 mm

  Q455:

  7.9 mm

• Height

  6720: 15.5 mm shorter

  6720:

  121 mm

  Q455:

  136.5 mm

• Release year

  6720:

  2003

  Q455:

  2014

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. 6720

   Height:

   121 mm

   Width:

   77 mm +9 mm versus Q455

   Depth:

   18 mm +10.1 mm versus Q455

2. 2. Q455

   Height:

   136.5 mm +15.5 mm versus 6720

   Width:

   68 mm

   Depth:

   7.9 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. 6720

   Screen diagonal:

   3 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   29 cm²

2. 2. Q455

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

Q455 has approximately 92.3% more rectangular screen area than 6720.

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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.