Allview A4 Duo vs HP iPAQ Voice Messenger

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.

• Width

  iPAQ Voice Messenger: 13.2 mm narrower

  A4 Duo:

  63.2 mm

  iPAQ Voice Messenger:

  50 mm

• Screen diagonal

  iPAQ Voice Messenger: 1.1 in smaller diagonal

  A4 Duo:

  3.5 in

  iPAQ Voice Messenger:

  2.4 in

• Depth

  A4 Duo: 1.6 mm thinner

  A4 Duo:

  12 mm

  iPAQ Voice Messenger:

  13.6 mm

• Height

  iPAQ Voice Messenger: 2.1 mm shorter

  A4 Duo:

  116.1 mm

  iPAQ Voice Messenger:

  114 mm

• Release year

  A4 Duo:

  2013

  iPAQ Voice Messenger:

  2008

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. A4 Duo

   Height:

   116.1 mm +2.1 mm versus iPAQ Voice Messenger

   Width:

   63.2 mm +13.2 mm versus iPAQ Voice Messenger

   Depth:

   12 mm

2. 2. iPAQ Voice Messenger

   Height:

   114 mm

   Width:

   50 mm

   Depth:

   13.6 mm +1.6 mm versus A4 Duo

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. A4 Duo

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

2. 2. iPAQ Voice Messenger

   Screen diagonal:

   2.4 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   17.8 cm²

A4 Duo has approximately 104.5% more rectangular screen area than iPAQ Voice Messenger.

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.