Allview Viper E vs Samsung Galaxy J7 Duo

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.

• Display technology

  OLED versus LCD

  Viper E:

  LCD

  Galaxy J7 Duo:

  OLED

• Weight

  Viper E: 51.5 g lighter

  Viper E:

  122.5 g

  Galaxy J7 Duo:

  174 g

• Width

  Viper E: 12.2 mm narrower

  Viper E:

  65 mm

  Galaxy J7 Duo:

  77.2 mm

• Screen diagonal

  Viper E: 1 in smaller diagonal

  Viper E:

  4.5 in

  Galaxy J7 Duo:

  5.5 in

• Chipset

  Viper E:

  Mediatek MT6582 (28 nm)

  Galaxy J7 Duo:

  Exynos 7885 Octa (14 nm)

• Rear camera layout

  Viper E:

  Single

  Galaxy J7 Duo:

  Dual

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

2. 2. Galaxy J7 Duo

   Height:

   153.5 mm +22.5 mm versus Viper E

   Width:

   77.2 mm +12.2 mm versus Viper E

   Depth:

   8.2 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. Viper E

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

2. 2. Galaxy J7 Duo

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   83.4 cm²

Galaxy J7 Duo has approximately 49.4% 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.