O2 XDA Comet vs Prestigio MultiPhone 3540 Duo

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

  MultiPhone 3540 Duo: 15 g lighter

  XDA Comet:

  145 g

  MultiPhone 3540 Duo:

  130 g

• Width

  XDA Comet: 4 mm narrower

  XDA Comet:

  58 mm

  MultiPhone 3540 Duo:

  62 mm

• Screen diagonal

  XDA Comet: 0.8 in smaller diagonal

  XDA Comet:

  2.7 in

  MultiPhone 3540 Duo:

  3.5 in

• Depth

  MultiPhone 3540 Duo: 6 mm thinner

  XDA Comet:

  19 mm

  MultiPhone 3540 Duo:

  13 mm

• Height

  XDA Comet: 12 mm shorter

  XDA Comet:

  106 mm

  MultiPhone 3540 Duo:

  118 mm

• Release year

  XDA Comet:

  2007

  MultiPhone 3540 Duo:

  2013

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. XDA Comet

   Height:

   106 mm

   Width:

   58 mm

   Depth:

   19 mm +6 mm versus MultiPhone 3540 Duo

2. 2. MultiPhone 3540 Duo

   Height:

   118 mm +12 mm versus XDA Comet

   Width:

   62 mm +4 mm versus XDA Comet

   Depth:

   13 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. XDA Comet

   Screen diagonal:

   2.7 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   22.6 cm²

2. 2. MultiPhone 3540 Duo

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

MultiPhone 3540 Duo has approximately 61.6% more rectangular screen area than XDA Comet.

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.

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.