Allview V3 Viper vs Kyocera Echo

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

  V3 Viper: 49.4 g lighter

  V3 Viper:

  143.6 g

  Echo:

  193 g

• Width

  Echo: 15.3 mm narrower

  V3 Viper:

  71.8 mm

  Echo:

  56.5 mm

• Screen diagonal

  Echo: 2 in smaller diagonal

  V3 Viper:

  5.5 in

  Echo:

  3.5 in

• Chipset

  V3 Viper:

  Mediatek MT6737 (28 nm)

  Echo:

  Qualcomm QSD8650 Snapdragon S1

• Depth

  V3 Viper: 9.1 mm thinner

  V3 Viper:

  8.1 mm

  Echo:

  17.2 mm

• Height

  Echo: 33.3 mm shorter

  V3 Viper:

  148.3 mm

  Echo:

  115 mm

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. V3 Viper

   Height:

   148.3 mm +33.3 mm versus Echo

   Width:

   71.8 mm +15.3 mm versus Echo

   Depth:

   8.1 mm

2. 2. Echo

   Height:

   115 mm

   Width:

   56.5 mm

   Depth:

   17.2 mm +9.1 mm versus V3 Viper

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. V3 Viper

   Screen diagonal:

   5.5 in

   Aspect ratio (height:width):

   18:9

   Approximate rectangular screen area:

   78.1 cm²

2. 2. Echo

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   34.9 cm²

V3 Viper has approximately 123.9% more rectangular screen area than Echo.

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.