LG GT540 Optimus vs Nokia E51

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

  E51: 15.5 g lighter

  GT540 Optimus:

  115.5 g

  E51:

  100 g

• Width

  E51: 8.5 mm narrower

  GT540 Optimus:

  54.5 mm

  E51:

  46 mm

• Screen diagonal

  E51: 1 in smaller diagonal

  GT540 Optimus:

  3 in

  E51:

  2 in

• Depth

  E51: 0.7 mm thinner

  GT540 Optimus:

  12.7 mm

  E51:

  12 mm

• Height

  GT540 Optimus: 5.8 mm shorter

  GT540 Optimus:

  109 mm

  E51:

  114.8 mm

• Release year

  GT540 Optimus:

  2010

  E51:

  2007

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. GT540 Optimus

   Height:

   109 mm

   Width:

   54.5 mm +8.5 mm versus E51

   Depth:

   12.7 mm +0.7 mm versus E51

2. 2. E51

   Height:

   114.8 mm +5.8 mm versus GT540 Optimus

   Width:

   46 mm

   Depth:

   12 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. GT540 Optimus

   Screen diagonal:

   3 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   26.8 cm²

2. 2. E51

   Screen diagonal:

   2 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   12.4 cm²

GT540 Optimus has approximately 116.3% more rectangular screen area than E51.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

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.