LG Optimus LTE SU640 vs Samsung Galaxy Alpha

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.

• Display technology

  OLED versus LCD

  Optimus LTE SU640:

  LCD

  Galaxy Alpha:

  OLED

• Weight

  Galaxy Alpha: 20 g lighter

  Optimus LTE SU640:

  135 g

  Galaxy Alpha:

  115 g

• Width

  Galaxy Alpha: 2.4 mm narrower

  Optimus LTE SU640:

  67.9 mm

  Galaxy Alpha:

  65.5 mm

• Screen diagonal

  Optimus LTE SU640: 0.2 in smaller diagonal

  Optimus LTE SU640:

  4.5 in

  Galaxy Alpha:

  4.7 in

• Chipset

  Optimus LTE SU640:

  Qualcomm MSM8660 Snapdragon S3

  Galaxy Alpha:

  Exynos 5430 Octa (20 nm)

• Depth

  Galaxy Alpha: 3.7 mm thinner

  Optimus LTE SU640:

  10.4 mm

  Galaxy Alpha:

  6.7 mm

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 +2.4 mm versus Galaxy Alpha

   Depth:

   10.4 mm +3.7 mm versus Galaxy Alpha

2. 2. Galaxy Alpha

   Height:

   132.4 mm

   Width:

   65.5 mm

   Depth:

   6.7 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. Optimus LTE SU640

   Screen diagonal:

   4.5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   55.8 cm²

2. 2. Galaxy Alpha

   Screen diagonal:

   4.7 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   60.9 cm²

Galaxy Alpha has approximately 9.1% 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.