LG GT540 Optimus vs O2 XDA Zest

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

  XDA Zest: 13 g lighter

  GT540 Optimus:

  115.5 g

  XDA Zest:

  102.5 g

• Width

  GT540 Optimus: 6 mm narrower

  GT540 Optimus:

  54.5 mm

  XDA Zest:

  60.5 mm

• Screen diagonal

  XDA Zest: 0.2 in smaller diagonal

  GT540 Optimus:

  3 in

  XDA Zest:

  2.8 in

• Depth

  GT540 Optimus: 3.8 mm thinner

  GT540 Optimus:

  12.7 mm

  XDA Zest:

  16.5 mm

• Height

  XDA Zest: 7 mm shorter

  GT540 Optimus:

  109 mm

  XDA Zest:

  102 mm

• Release year

  GT540 Optimus:

  2010

  XDA Zest:

  2008

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 +7 mm versus XDA Zest

   Width:

   54.5 mm

   Depth:

   12.7 mm

2. 2. XDA Zest

   Height:

   102 mm

   Width:

   60.5 mm +6 mm versus GT540 Optimus

   Depth:

   16.5 mm +3.8 mm versus GT540 Optimus

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. XDA Zest

   Screen diagonal:

   2.8 in

   Aspect ratio (height:width):

   4:3

   Approximate rectangular screen area:

   24.3 cm²

GT540 Optimus has approximately 10.4% more rectangular screen area than XDA Zest.

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.