Allview Viper L vs BLU J4

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 L: 8 g lighter

  Viper L:

  150 g

  J4:

  158 g

• Depth

  Viper L: 1.4 mm thinner

  Viper L:

  8.6 mm

  J4:

  10 mm

• Height

  Viper L: 9 mm shorter

  Viper L:

  142 mm

  J4:

  151 mm

• Release year

  Viper L:

  2015

  J4:

  2019

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 L

   Height:

   142 mm

   Width:

   71.5 mm

   Depth:

   8.6 mm

2. 2. J4

   Height:

   151 mm +9 mm versus Viper L

   Width:

   72.3 mm

   Depth:

   10 mm +1.4 mm versus Viper L

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.

At least two phones need compatible screen dimensions for a drawing.

1. 1. Viper L

   Viper L: Screen geometry unavailable or conflicting.

2. 2. J4

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   78.1 cm²

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.