Allview A4 Duo 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.

• WeightA4 Duo: 82.4 g lighterA4 Duo: 110.6 g · Echo: 193 g
• WidthEcho: 6.7 mm narrowerEcho: 56.5 mm · A4 Duo: 63.2 mm
• DepthA4 Duo: 5.2 mm thinnerA4 Duo: 12 mm · Echo: 17.2 mm
• Release year2013 / 2011A4 Duo: 2013 · Echo: 2011

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. A4 Duo

   Height

   116.1 mm

   Width

   63.2 mm+6.7 mm versus Echo

   Depth

   12 mm

   Weight

   110.6 g

2. 2. Echo

   Height

   115 mm

   Width

   56.5 mm

   Depth

   17.2 mm+5.2 mm versus A4 Duo

   Weight

   193 g

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. A4 Duo 3.5 in · 3:2 About 36.5 cm² rectangular area
2. 2. Echo 3.5 in · 5:3 About 34.9 cm² rectangular area

A4 Duo has approximately 4.6% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.