Acer F900 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

  F900: 43 g lighter

  F900:

  150 g

  Echo:

  193 g

• Width

  Echo: 7 mm narrower

  F900:

  63.5 mm

  Echo:

  56.5 mm

• Screen diagonal

  Echo: 0.3 in smaller diagonal

  F900:

  3.8 in

  Echo:

  3.5 in

• Depth

  F900: 1.4 mm thinner

  F900:

  15.8 mm

  Echo:

  17.2 mm

• Height

  Echo: 2.5 mm shorter

  F900:

  117.5 mm

  Echo:

  115 mm

• Release year

  F900:

  2009

  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. F900

   Height:

   117.5 mm +2.5 mm versus Echo

   Width:

   63.5 mm +7 mm versus Echo

   Depth:

   15.8 mm

2. 2. Echo

   Height:

   115 mm

   Width:

   56.5 mm

   Depth:

   17.2 mm +1.4 mm versus F900

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. F900

   Screen diagonal:

   3.8 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   41.1 cm²

2. 2. Echo

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   34.9 cm²

F900 has approximately 17.9% 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.

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.