Allview V4 Viper Pro vs HTC Desire 520

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

  Desire 520: 13.1 mm narrower

  V4 Viper Pro:

  82 mm

  Desire 520:

  68.9 mm

• Screen diagonal

  Desire 520: 2.3 in smaller diagonal

  V4 Viper Pro:

  6.8 in

  Desire 520:

  4.5 in

• Chipset

  V4 Viper Pro:

  Mediatek MT6739 (28 nm)

  Desire 520:

  Qualcomm MSM8909 Snapdragon 210 (28 nm)

• Height

  Desire 520: 31.2 mm shorter

  V4 Viper Pro:

  171 mm

  Desire 520:

  139.8 mm

• Release year

  V4 Viper Pro:

  2020

  Desire 520:

  2015

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. V4 Viper Pro

   Height:

   171 mm +31.2 mm versus Desire 520

   Width:

   82 mm +13.1 mm versus Desire 520

   Depth:

   8.8 mm

   Weight:

   191.6 g

2. 2. Desire 520

   Height:

   139.8 mm

   Width:

   68.9 mm

   Depth:

   9.1 mm

   Weight:

   Unknown

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. V4 Viper Pro

   Screen diagonal:

   6.8 in

   Aspect ratio (height:width):

   19:9

   Approximate rectangular screen area:

   115.4 cm²

2. 2. Desire 520

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

V4 Viper Pro has approximately 106.7% more rectangular screen area than Desire 520.

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.