Acer F900 vs Allview Viper E

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

  Viper E: 27.5 g lighter

  F900:

  150 g

  Viper E:

  122.5 g

• Width

  F900: 1.5 mm narrower

  F900:

  63.5 mm

  Viper E:

  65 mm

• Screen diagonal

  F900: 0.7 in smaller diagonal

  F900:

  3.8 in

  Viper E:

  4.5 in

• Depth

  Viper E: 8 mm thinner

  F900:

  15.8 mm

  Viper E:

  7.8 mm

• Height

  F900: 13.5 mm shorter

  F900:

  117.5 mm

  Viper E:

  131 mm

• Release year

  F900:

  2009

  Viper E:

  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. F900

   Height:

   117.5 mm

   Width:

   63.5 mm

   Depth:

   15.8 mm +8 mm versus Viper E

2. 2. Viper E

   Height:

   131 mm +13.5 mm versus F900

   Width:

   65 mm +1.5 mm versus F900

   Depth:

   7.8 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. F900

   Screen diagonal:

   3.8 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   41.1 cm²

2. 2. Viper E

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

Viper E has approximately 35.8% more rectangular screen area than F900.

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.