LG GT540 Optimus vs Plum Compass

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: 53.2 g lighter

    GT540 Optimus:
    115.5 g
    Compass:
    168.7 g
  • Width

    GT540 Optimus: 18.1 mm narrower

    GT540 Optimus:
    54.5 mm
    Compass:
    72.6 mm
  • Screen diagonal

    GT540 Optimus: 2 in smaller diagonal

    GT540 Optimus:
    3 in
    Compass:
    5 in
  • Depth

    Compass: 2.9 mm thinner

    GT540 Optimus:
    12.7 mm
    Compass:
    9.8 mm
  • Height

    GT540 Optimus: 37 mm shorter

    GT540 Optimus:
    109 mm
    Compass:
    146 mm
  • Release year

    GT540 Optimus:
    2010
    Compass:
    2016

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 +2.9 mm versus Compass
  2. 2. Compass

    Height:
    146 mm +37 mm versus GT540 Optimus
    Width:
    72.6 mm +18.1 mm versus GT540 Optimus
    Depth:
    9.8 mm

Weight

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

  1. 1. GT540 Optimus

    115.5 g

  2. 2. Compass

    168.7 g

    +53.2 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. Compass

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Compass has approximately 157.2% 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.

Recorded RAM for GT540 Optimus, Compass, compared at the same storage capacity.
StorageGT540 OptimusCompass
8 GB Unknown 1 GB RAM
GT540 Optimus: Original memory entry

139 MB · 156 MB RAM

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. Compass

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

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. Compass

    2000 mAh

    +500 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. Compass

Everyday essentials
Everyday essentials — specifications for GT540 Optimus, Compass.
SpecificationGT540 OptimusCompass
Dimensions (HxWxD)
  • 109 Х 54.5 Х 12.7 mm
  • 146 Х 72.6 Х 9.8 mm
Weight
  • 115.5 g
  • 168.7 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 139 MB
  • 156 MB RAM
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 1.6 (Donut)
  • upgradable to 2.1 (Eclair)
  • Android 6.0 (Marshmallow)
Chipset Unknown
  • Spreadtrum SC7731C
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for GT540 Optimus, Compass.
SpecificationGT540 OptimusCompass
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 26.8 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 45.1%
  • 65.0%
PPI /points per inch/
  • 192 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for GT540 Optimus, Compass.
SpecificationGT540 OptimusCompass
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • 480p@17fps
  • Yes
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance — specifications for GT540 Optimus, Compass.
SpecificationGT540 OptimusCompass
Processor CPU
  • 600 MHz
  • Quad-core 1.3 GHz Cortex-A7
General specs
General specs — specifications for GT540 Optimus, Compass.
SpecificationGT540 OptimusCompass
Release date
  • 2010
  • January
  • 2016
  • December
Colors
  • Black
  • White
  • Pink
  • Black
  • Blue
  • Red
  • Gold
  • White
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 620 h (2G) / Up to 600 h (3G) Talking time- Up to 25 h (2G) / Up to 20 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for GT540 Optimus, Compass.
SpecificationGT540 OptimusCompass
SIM card
  • Mini-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • 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, Compass.
SpecificationGT540 OptimusCompass
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for GT540 Optimus, Compass.
SpecificationGT540 OptimusCompass
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