LG GT540 Optimus vs Philips W820

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

    GT540 Optimus: 27.5 g lighter

    GT540 Optimus:
    115.5 g
    W820:
    143 g
  • Width

    GT540 Optimus: 3.2 mm narrower

    GT540 Optimus:
    54.5 mm
    W820:
    57.7 mm
  • Screen diagonal

    GT540 Optimus: 0.2 in smaller diagonal

    GT540 Optimus:
    3 in
    W820:
    3.2 in
  • Depth

    GT540 Optimus: 2.1 mm thinner

    GT540 Optimus:
    12.7 mm
    W820:
    14.8 mm
  • Height

    GT540 Optimus: 5.6 mm shorter

    GT540 Optimus:
    109 mm
    W820:
    114.6 mm
  • Release year

    GT540 Optimus:
    2010
    W820:
    2012

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
    Width:
    54.5 mm
    Depth:
    12.7 mm
  2. 2. W820

    Height:
    114.6 mm +5.6 mm versus GT540 Optimus
    Width:
    57.7 mm +3.2 mm versus GT540 Optimus
    Depth:
    14.8 mm +2.1 mm versus GT540 Optimus

Weight

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

  1. 1. GT540 Optimus

    115.5 g

  2. 2. W820

    143 g

    +27.5 g 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. W820

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 cm²

W820 has approximately 13.8% more rectangular screen area than GT540 Optimus.

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

W820: Original memory entry

512 MB

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. W820

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

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

  2. 2. W820

    2100 mAh

    +600 mAh versus GT540 Optimus

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. W820

Everyday essentials
Everyday essentials — specifications for GT540 Optimus, W820.
SpecificationGT540 OptimusW820
Dimensions (HxWxD)
  • 109 Х 54.5 Х 12.7 mm
  • 114.6 Х 57.7 Х 14.8 mm
Weight
  • 115.5 g
  • 143 g
Technology
  • TFT
  • TFT
Screen size
  • 3" inch
  • 3.2" inch
Screen resolution
  • 320 x 480 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 139 MB
  • 156 MB RAM
  • 512 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 1.6 (Donut)
  • upgradable to 2.1 (Eclair)
  • Android 2.3 (Gingerbread)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for GT540 Optimus, W820.
SpecificationGT540 OptimusW820
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Screen area
  • 26.8 cm2
  • 30.5 cm2
Screen format
  • 3:2 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 45.1%
  • 46.1%
PPI /points per inch/
  • 192 PPI
  • 180 PPI
Camera and Video
Camera and Video — specifications for GT540 Optimus, W820.
SpecificationGT540 OptimusW820
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
  • AF
Functions Unknown
  • LED flash
Video
  • 480p@17fps
  • 176x144@15fps
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Performance
Performance — specifications for GT540 Optimus, W820.
SpecificationGT540 OptimusW820
Processor CPU
  • 600 MHz
Unknown
General specs
General specs — specifications for GT540 Optimus, W820.
SpecificationGT540 OptimusW820
Release date
  • 2010
  • January
  • 2012
  • March
Colors
  • Black
  • White
  • Pink
  • Black
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 600 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for GT540 Optimus, W820.
SpecificationGT540 OptimusW820
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB
  • 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.0
Harmful irradiation
  • SAR - 0.93 W/kg (head) 0.63 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for GT540 Optimus, W820.
SpecificationGT540 OptimusW820
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for GT540 Optimus, W820.
SpecificationGT540 OptimusW820
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
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/WMA/AAC+ player -MP4/H.263 player -Document viewer -Photo viewer/editor -Organizer -Voice memo/dial -Predictive text input