BlackBerry Bold 9790 vs Celkon A9 Dual

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

  Bold 9790: 9 g lighter

  Bold 9790:

  107 g

  A9 Dual:

  116 g

• Width

  Bold 9790: 3.9 mm narrower

  Bold 9790:

  60 mm

  A9 Dual:

  63.9 mm

• Screen diagonal

  Bold 9790: 1.05 in smaller diagonal

  Bold 9790:

  2.45 in

  A9 Dual:

  3.5 in

• Depth

  A9 Dual: 0.8 mm thinner

  Bold 9790:

  11.4 mm

  A9 Dual:

  10.6 mm

• Height

  Bold 9790: 10.5 mm shorter

  Bold 9790:

  110 mm

  A9 Dual:

  120.5 mm

• Release year

  Bold 9790:

  2011

  A9 Dual:

  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. Bold 9790

   Height:

   110 mm

   Width:

   60 mm

   Depth:

   11.4 mm +0.8 mm versus A9 Dual

2. 2. A9 Dual

   Height:

   120.5 mm +10.5 mm versus Bold 9790

   Width:

   63.9 mm +3.9 mm versus Bold 9790

   Depth:

   10.6 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. Bold 9790

   Screen diagonal:

   2.45 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   18.6 cm²

2. 2. A9 Dual

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

A9 Dual has approximately 96.2% more rectangular screen area than Bold 9790.

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.