LG GT540 Optimus vs O2 XDA Guide

Compare recorded specifications, size and practical differences.

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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 Guide: 13.5 g lighter

    GT540 Optimus:
    115.5 g
    XDA Guide:
    102 g
  • Width

    XDA Guide: 1 mm narrower

    GT540 Optimus:
    54.5 mm
    XDA Guide:
    53.5 mm
  • Screen diagonal

    XDA Guide: 0.2 in smaller diagonal

    GT540 Optimus:
    3 in
    XDA Guide:
    2.8 in
  • Depth

    GT540 Optimus: 1.8 mm thinner

    GT540 Optimus:
    12.7 mm
    XDA Guide:
    14.5 mm
  • Height

    XDA Guide: 7 mm shorter

    GT540 Optimus:
    109 mm
    XDA Guide:
    102 mm
  • Release year

    GT540 Optimus:
    2010
    XDA Guide:
    2008

Physical size

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 Guide
    Width:
    54.5 mm +1 mm versus XDA Guide
    Depth:
    12.7 mm
  2. 2. XDA Guide

    Height:
    102 mm
    Width:
    53.5 mm
    Depth:
    14.5 mm +1.8 mm versus GT540 Optimus

Weight

Bars start at zero and share a scale within this chart.

  1. 1. GT540 Optimus

    115.5 g

    +13.5 g versus XDA Guide

  2. 2. XDA Guide

    102 g

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 Guide

    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 Guide.

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.

GT540 Optimus: Original memory entry

139 MB · 156 MB RAM

XDA Guide: Original memory entry

256 MB RAM · 512 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. GT540 Optimus

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. XDA Guide

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (dedicated slot) · 1 GB included

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. GT540 Optimus

    1500 mAh

    +390 mAh versus XDA Guide

  2. 2. XDA Guide

    1110 mAh

Specifications

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.

1. GT540 Optimus2. XDA Guide

Everyday essentials
Everyday essentials — specifications for GT540 Optimus, XDA Guide.
SpecificationGT540 OptimusXDA Guide
Dimensions (HxWxD)
  • 109 Х 54.5 Х 12.7 mm
  • 102 Х 53.5 Х 14.5 mm
Weight
  • 115.5 g
  • 102 g
Technology
  • TFT
  • TFT
Screen size
  • 3" inch
  • 2.8" inch
Screen resolution
  • 320 x 480 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 139 MB
  • 156 MB RAM
  • 256 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD (dedicated slot)
  • 1 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1110 mAh
  • Removable Li-Ion
Operating system OS
  • Android 1.6 (Donut)
  • upgradable to 2.1 (Eclair)
  • Microsoft Windows Mobile 6.1 Professional
Chipset Unknown
  • Qualcomm MSM7225 Snapdragon S1
Headphone jack
  • Yes
  • No
Display
Display — specifications for GT540 Optimus, XDA Guide.
SpecificationGT540 OptimusXDA Guide
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 65K
Screen area
  • 26.8 cm2
  • 24.3 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 45.1%
  • 44.5%
PPI /points per inch/
  • 192 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for GT540 Optimus, XDA Guide.
SpecificationGT540 OptimusXDA Guide
Rear camera, main
  • 3.15 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 3.15 MP
Video
  • 480p@17fps
  • CIF
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for GT540 Optimus, XDA Guide.
SpecificationGT540 OptimusXDA Guide
Processor CPU
  • 600 MHz
  • 528 MHz ARM 11
Graphics processor GPU Unknown
  • No
General specs
General specs — specifications for GT540 Optimus, XDA Guide.
SpecificationGT540 OptimusXDA Guide
Release date
  • 2010
  • January
  • 2008
  • December
Colors
  • Black
  • White
  • Pink
  • Grey
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life
  • Stand by time- Up to 500 h (2G) / Up to 500 h (3G) Talking time- Up to 5 h 30 min (2G) / Up to 7 h 20 min (3G)
  • Stand by time- Up to 400 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for GT540 Optimus, XDA Guide.
SpecificationGT540 OptimusXDA Guide
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS; TomTom NAVIGATOR 7
USB
  • microUSB
  • miniUSB
Bluetooth
  • 2.1
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.93 W/kg (head) 0.63 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for GT540 Optimus, XDA Guide.
SpecificationGT540 OptimusXDA Guide
Radio
  • Stereo FM radio
  • RDS
  • No
Others Unknown
  • TouchFLO finger swipe navigation -Handwriting recognition -5-way navigation
Other features
Other features — specifications for GT540 Optimus, XDA Guide.
SpecificationGT540 OptimusXDA Guide
Dop
  • Sensors Accelerometer MP4/DivX/Xvid/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input Also known as LG GT540 Swift
  • LG Loop GT540
  • HTC Footprints -Pocket Office -Voice memo -MP3/AAC player -3GP/MP4/WMV/AVI player -Predictive text input