BlackBerry 7730 vs Celkon 2GB Xpress

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

  2GB Xpress: 8 g lighter

  7730:

  142 g

  2GB Xpress:

  134 g

• Width

  2GB Xpress: 10.5 mm narrower

  7730:

  77 mm

  2GB Xpress:

  66.5 mm

• Screen diagonal

  7730: 1.5 in smaller diagonal

  7730:

  3 in

  2GB Xpress:

  4.5 in

• Depth

  2GB Xpress: 7.9 mm thinner

  7730:

  18 mm

  2GB Xpress:

  10.1 mm

• Height

  7730: 12.5 mm shorter

  7730:

  121 mm

  2GB Xpress:

  133.5 mm

• Release year

  7730:

  2004

  2GB Xpress:

  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. 7730

   Height:

   121 mm

   Width:

   77 mm +10.5 mm versus 2GB Xpress

   Depth:

   18 mm +7.9 mm versus 2GB Xpress

2. 2. 2GB Xpress

   Height:

   133.5 mm +12.5 mm versus 7730

   Width:

   66.5 mm

   Depth:

   10.1 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. 7730

   Screen diagonal:

   3 in

   Aspect ratio (height:width):

   1:1

   Approximate rectangular screen area:

   29 cm²

2. 2. 2GB Xpress

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   57.6 cm²

2GB Xpress has approximately 98.5% 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.