BlackBerry Bold 9780 vs vivo Y91

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 9780: 41.5 g lighter

  Bold 9780:

  122 g

  Y91:

  163.5 g

• Width

  Bold 9780: 15.1 mm narrower

  Bold 9780:

  60 mm

  Y91:

  75.1 mm

• Screen diagonal

  Bold 9780: 3.78 in smaller diagonal

  Bold 9780:

  2.44 in

  Y91:

  6.22 in

• Rear camera layout

  Bold 9780:

  Single

  Y91:

  Dual

• Depth

  Y91: 5.7 mm thinner

  Bold 9780:

  14 mm

  Y91:

  8.3 mm

• Height

  Bold 9780: 46.1 mm shorter

  Bold 9780:

  109 mm

  Y91:

  155.1 mm

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 9780

   Height:

   109 mm

   Width:

   60 mm

   Depth:

   14 mm +5.7 mm versus Y91

2. 2. Y91

   Height:

   155.1 mm +46.1 mm versus Bold 9780

   Width:

   75.1 mm +15.1 mm versus Bold 9780

   Depth:

   8.3 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 9780

   Screen diagonal:

   2.44 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   18.4 cm²

2. 2. Y91

   Screen diagonal:

   6.22 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   96.6 cm²

Y91 has approximately 423.8% more rectangular screen area than Bold 9780.

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.