Allview Viper V1 vs Celkon A99

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

  A99: 4.4 mm narrower

  Viper V1:

  68.4 mm

  A99:

  64 mm

• Screen diagonal

  A99: 0.7 in smaller diagonal

  Viper V1:

  4.7 in

  A99:

  4 in

• Depth

  Viper V1: 3.4 mm thinner

  Viper V1:

  7.9 mm

  A99:

  11.3 mm

• Height

  A99: 16.1 mm shorter

  Viper V1:

  137.5 mm

  A99:

  121.4 mm

• Release year

  Viper V1:

  2013

  A99:

  2012

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. Viper V1

   Height:

   137.5 mm +16.1 mm versus A99

   Width:

   68.4 mm +4.4 mm versus A99

   Depth:

   7.9 mm

2. 2. A99

   Height:

   121.4 mm

   Width:

   64 mm

   Depth:

   11.3 mm +3.4 mm versus Viper V1

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. Viper V1

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

2. 2. A99

   Screen diagonal:

   4 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   47.6 cm²

Viper V1 has approximately 27.8% more rectangular screen area than A99.

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.