Acer Liquid Z3 vs LG Optimus LTE SU640

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

  Liquid Z3: 15 g lighter

  Liquid Z3:

  120 g

  Optimus LTE SU640:

  135 g

• Width

  Liquid Z3: 7.9 mm narrower

  Liquid Z3:

  60 mm

  Optimus LTE SU640:

  67.9 mm

• Screen diagonal

  Liquid Z3: 1 in smaller diagonal

  Liquid Z3:

  3.5 in

  Optimus LTE SU640:

  4.5 in

• Chipset

  Liquid Z3:

  Mediatek MT6572 (28 nm)

  Optimus LTE SU640:

  Qualcomm MSM8660 Snapdragon S3

• Height

  Liquid Z3: 23.9 mm shorter

  Liquid Z3:

  109 mm

  Optimus LTE SU640:

  132.9 mm

• Release year

  Liquid Z3:

  2013

  Optimus LTE SU640:

  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. Liquid Z3

   Height:

   109 mm

   Width:

   60 mm

   Depth:

   10.4 mm

2. 2. Optimus LTE SU640

   Height:

   132.9 mm +23.9 mm versus Liquid Z3

   Width:

   67.9 mm +7.9 mm versus Liquid Z3

   Depth:

   10.4 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. Liquid Z3

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

2. 2. Optimus LTE SU640

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

Optimus LTE SU640 has approximately 53% more rectangular screen area than Liquid Z3.

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.