Allview Viper E vs Xolo Black 1X

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

  Viper E: 7 mm narrower

  Viper E:

  65 mm

  Black 1X:

  72 mm

• Screen diagonal

  Viper E: 0.5 in smaller diagonal

  Viper E:

  4.5 in

  Black 1X:

  5 in

• Chipset

  Viper E:

  Mediatek MT6582 (28 nm)

  Black 1X:

  Mediatek MT6753 (28 nm)

• Height

  Viper E: 13.6 mm shorter

  Viper E:

  131 mm

  Black 1X:

  144.6 mm

• Release year

  Viper E:

  2014

  Black 1X:

  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. Viper E

   Height:

   131 mm

   Width:

   65 mm

   Depth:

   7.8 mm

   Weight:

   122.5 g

2. 2. Black 1X

   Height:

   144.6 mm +13.6 mm versus Viper E

   Width:

   72 mm +7 mm versus Viper E

   Depth:

   7.6 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. Viper E

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

2. 2. Black 1X

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Black 1X has approximately 23.5% more rectangular screen area than Viper E.

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.