LG Optimus Sol E730 vs Microsoft Lumia 640 LTE

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 Sol E730:

  OLED

  Lumia 640 LTE:

  LCD

• Weight

  Optimus Sol E730: 35 g lighter

  Optimus Sol E730:

  110 g

  Lumia 640 LTE:

  145 g

• Width

  Optimus Sol E730: 9.7 mm narrower

  Optimus Sol E730:

  62.5 mm

  Lumia 640 LTE:

  72.2 mm

• Screen diagonal

  Optimus Sol E730: 1.2 in smaller diagonal

  Optimus Sol E730:

  3.8 in

  Lumia 640 LTE:

  5 in

• Chipset

  Optimus Sol E730:

  Qualcomm MSM8255 Snapdragon S2

  Lumia 640 LTE:

  Qualcomm MSM8926 Snapdragon 400 (28 nm)

• Depth

  Lumia 640 LTE: 1 mm thinner

  Optimus Sol E730:

  9.8 mm

  Lumia 640 LTE:

  8.8 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 Sol E730

   Height:

   122.5 mm

   Width:

   62.5 mm

   Depth:

   9.8 mm +1 mm versus Lumia 640 LTE

2. 2. Lumia 640 LTE

   Height:

   141.3 mm +18.8 mm versus Optimus Sol E730

   Width:

   72.2 mm +9.7 mm versus Optimus Sol E730

   Depth:

   8.8 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 Sol E730

   Screen diagonal:

   3.8 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   41.1 cm²

2. 2. Lumia 640 LTE

   Screen diagonal:

   5 in

   Aspect ratio (height:width):

   16:9

   Approximate rectangular screen area:

   68.9 cm²

Lumia 640 LTE has approximately 67.7% more rectangular screen area than Optimus Sol E730.

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.