Acer DX900 vs Allview V4 Viper Pro

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

  DX900: 44.6 g lighter

  DX900:

  147 g

  V4 Viper Pro:

  191.6 g

• Width

  DX900: 21.5 mm narrower

  DX900:

  60.5 mm

  V4 Viper Pro:

  82 mm

• Screen diagonal

  DX900: 4 in smaller diagonal

  DX900:

  2.8 in

  V4 Viper Pro:

  6.8 in

• Depth

  V4 Viper Pro: 8.2 mm thinner

  DX900:

  17 mm

  V4 Viper Pro:

  8.8 mm

• Height

  DX900: 65 mm shorter

  DX900:

  106 mm

  V4 Viper Pro:

  171 mm

• Release year

  DX900:

  2009

  V4 Viper Pro:

  2020

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. DX900

   Height:

   106 mm

   Width:

   60.5 mm

   Depth:

   17 mm +8.2 mm versus V4 Viper Pro

2. 2. V4 Viper Pro

   Height:

   171 mm +65 mm versus DX900

   Width:

   82 mm +21.5 mm versus DX900

   Depth:

   8.8 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. DX900

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

2. 2. V4 Viper Pro

   Screen diagonal:

   6.8 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   115.4 cm²

V4 Viper Pro has approximately 375.4% more rectangular screen area than DX900.

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.

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.