LG Optimus LTE SU640 vs Sony Xperia E4

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

  Optimus LTE SU640: 9 g lighter

  Optimus LTE SU640:

  135 g

  Xperia E4:

  144 g

• Width

  Optimus LTE SU640: 6.7 mm narrower

  Optimus LTE SU640:

  67.9 mm

  Xperia E4:

  74.6 mm

• Screen diagonal

  Optimus LTE SU640: 0.5 in smaller diagonal

  Optimus LTE SU640:

  4.5 in

  Xperia E4:

  5 in

• Chipset

  Optimus LTE SU640:

  Qualcomm MSM8660 Snapdragon S3

  Xperia E4:

  Mediatek MT6582 (28 nm)

• Height

  Optimus LTE SU640: 4.1 mm shorter

  Optimus LTE SU640:

  132.9 mm

  Xperia E4:

  137 mm

• Release year

  Optimus LTE SU640:

  2011

  Xperia E4:

  2015

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. Optimus LTE SU640

   Height:

   132.9 mm

   Width:

   67.9 mm

   Depth:

   10.4 mm

2. 2. Xperia E4

   Height:

   137 mm +4.1 mm versus Optimus LTE SU640

   Width:

   74.6 mm +6.7 mm versus Optimus LTE SU640

   Depth:

   10.5 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. Optimus LTE SU640

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

2. 2. Xperia E4

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Xperia E4 has approximately 23.5% more rectangular screen area than Optimus LTE SU640.

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.