Archos 55 Cobalt Plus vs BlackBerry 7730

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

  55 Cobalt Plus: 12 g lighter

  55 Cobalt Plus:

  130 g

  7730:

  142 g

• Screen diagonal

  7730: 2.5 in smaller diagonal

  55 Cobalt Plus:

  5.5 in

  7730:

  3 in

• Depth

  55 Cobalt Plus: 9.7 mm thinner

  55 Cobalt Plus:

  8.3 mm

  7730:

  18 mm

• Height

  7730: 31.5 mm shorter

  55 Cobalt Plus:

  152.5 mm

  7730:

  121 mm

• Release year

  55 Cobalt Plus:

  2016

  7730:

  2004

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. 55 Cobalt Plus

   Height:

   152.5 mm +31.5 mm versus 7730

   Width:

   77 mm

   Depth:

   8.3 mm

2. 2. 7730

   Height:

   121 mm

   Width:

   77 mm

   Depth:

   18 mm +9.7 mm versus 55 Cobalt Plus

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. 55 Cobalt Plus

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

2. 2. 7730

   Screen diagonal:

   3 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   29 cm²

55 Cobalt Plus has approximately 187.2% more rectangular screen area than 7730.

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.