Asus PadFone E vs LG GT540 Optimus

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: 10.5 g lighter

    PadFone E:
    126 g
    GT540 Optimus:
    115.5 g
  • Width

    GT540 Optimus: 15.2 mm narrower

    PadFone E:
    69.7 mm
    GT540 Optimus:
    54.5 mm
  • Screen diagonal

    GT540 Optimus: 1.7 in smaller diagonal

    PadFone E:
    4.7 in
    GT540 Optimus:
    3 in
  • Depth

    PadFone E: 3.6 mm thinner

    PadFone E:
    9.1 mm
    GT540 Optimus:
    12.7 mm
  • Height

    GT540 Optimus: 30.6 mm shorter

    PadFone E:
    139.6 mm
    GT540 Optimus:
    109 mm
  • Release year

    PadFone E:
    2014
    GT540 Optimus:
    2010

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. PadFone E

    Height:
    139.6 mm +30.6 mm versus GT540 Optimus
    Width:
    69.7 mm +15.2 mm versus GT540 Optimus
    Depth:
    9.1 mm
  2. 2. GT540 Optimus

    Height:
    109 mm
    Width:
    54.5 mm
    Depth:
    12.7 mm +3.6 mm versus PadFone E

Weight

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

  1. 1. PadFone E

    126 g

    +10.5 g versus GT540 Optimus

  2. 2. GT540 Optimus

    115.5 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. PadFone E

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. GT540 Optimus

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

PadFone E has approximately 127.2% 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.

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

PadFone E: Original memory entry

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. PadFone E

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

2. GT540 Optimus

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. PadFone E

    1820 mAh

    +320 mAh versus GT540 Optimus

  2. 2. GT540 Optimus

    1500 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. PadFone E2. GT540 Optimus

Everyday essentials
Everyday essentials — specifications for PadFone E, GT540 Optimus.
SpecificationPadFone EGT540 Optimus
Dimensions (HxWxD)
  • 139.6 Х 69.7 Х 9.1 mm
  • 109 Х 54.5 Х 12.7 mm
Weight
  • 126 g
  • 115.5 g
Technology
  • Super IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 3" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB RAM
  • 139 MB
  • 156 MB RAM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1820 mAh
  • Non-removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.3 (Jelly Bean)
  • Android 1.6 (Donut)
  • upgradable to 2.1 (Eclair)
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for PadFone E, GT540 Optimus.
SpecificationPadFone EGT540 Optimus
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 60.9 cm2
  • 26.8 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 62.6%
  • 45.1%
PPI /points per inch/
  • 312 PPI
  • 192 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for PadFone E, GT540 Optimus.
SpecificationPadFone EGT540 Optimus
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 720p
  • 480p@17fps
Front camera, selfie
  • 1.2 MP
  • Single
  • 0 MP,
Specifications
  • 1.2 MP
Unknown
Performance
Performance — specifications for PadFone E, GT540 Optimus.
SpecificationPadFone EGT540 Optimus
Processor CPU
  • Quad-core 1.4 GHz Cortex-A7
  • 600 MHz
Graphics processor GPU
  • Adreno 305
Unknown
General specs
General specs — specifications for PadFone E, GT540 Optimus.
SpecificationPadFone EGT540 Optimus
Release date
  • 2014
  • January
  • 2010
  • January
Colors
  • Black
  • White
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 270 h (2G) / Up to 330 h (3G) Talking time- Up to 27 h (2G) / Up to 15 h (3G)
  • 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)
Communication and Connectivity
Communication and Connectivity — specifications for PadFone E, GT540 Optimus.
SpecificationPadFone EGT540 Optimus
SIM card
  • Dual SIM (dual stand-by)
  • 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
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.93 W/kg (head) 0.63 W/kg (body)
Music and Audio
Music and Audio — specifications for PadFone E, GT540 Optimus.
SpecificationPadFone EGT540 Optimus
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for PadFone E, GT540 Optimus.
SpecificationPadFone EGT540 Optimus
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Padfone Station with 10.1 inches Super IPS display
  • 1280 x 720 pixels
  • 181.5 x 263.6 x 17.4 mm
  • 525.7 g
  • 5000 mAh battery.
  • 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