LG Optimus LTE SU640 vs Xiaomi Mi Mix 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

  Mi Mix Alpha:

  OLED

• Weight

  Optimus LTE SU640: 106 g lighter

  Optimus LTE SU640:

  135 g

  Mi Mix Alpha:

  241 g

• Width

  Optimus LTE SU640: 4.4 mm narrower

  Optimus LTE SU640:

  67.9 mm

  Mi Mix Alpha:

  72.3 mm

• Screen diagonal

  Optimus LTE SU640: 3.42 in smaller diagonal

  Optimus LTE SU640:

  4.5 in

  Mi Mix Alpha:

  7.92 in

• Chipset

  Optimus LTE SU640:

  Qualcomm MSM8660 Snapdragon S3

  Mi Mix Alpha:

  Qualcomm SM8150 Snapdragon 855+ (7 nm)

• Rear camera layout

  Optimus LTE SU640:

  Single

  Mi Mix Alpha:

  Triple

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. Mi Mix Alpha

   Height:

   154.4 mm +21.5 mm versus Optimus LTE SU640

   Width:

   72.3 mm +4.4 mm versus Optimus LTE SU640

   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.

At least two phones need compatible screen dimensions for a drawing.

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. Mi Mix Alpha

   Mi Mix Alpha: Screen geometry unavailable or conflicting.

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.