Motorola MILESTONE XT720 vs Sony Ericsson Xperia Arc

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

  Xperia Arc: 22 g lighter

  MILESTONE XT720:

  139 g

  Xperia Arc:

  117 g

• Width

  MILESTONE XT720: 2.1 mm narrower

  MILESTONE XT720:

  60.9 mm

  Xperia Arc:

  63 mm

• Screen diagonal

  MILESTONE XT720: 0.5 in smaller diagonal

  MILESTONE XT720:

  3.7 in

  Xperia Arc:

  4.2 in

• Depth

  Xperia Arc: 2.2 mm thinner

  MILESTONE XT720:

  10.9 mm

  Xperia Arc:

  8.7 mm

• Height

  MILESTONE XT720: 9 mm shorter

  MILESTONE XT720:

  116 mm

  Xperia Arc:

  125 mm

• Release year

  MILESTONE XT720:

  2010

  Xperia Arc:

  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. MILESTONE XT720

   Height:

   116 mm

   Width:

   60.9 mm

   Depth:

   10.9 mm +2.2 mm versus Xperia Arc

2. 2. Xperia Arc

   Height:

   125 mm +9 mm versus MILESTONE XT720

   Width:

   63 mm +2.1 mm versus MILESTONE XT720

   Depth:

   8.7 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. MILESTONE XT720

   Screen diagonal:

   3.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   37.7 cm²

2. 2. Xperia Arc

   Screen diagonal:

   4.2 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   48.6 cm²

Xperia Arc has approximately 28.9% more rectangular screen area than MILESTONE XT720.

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.