Asus PadFone E vs T-Mobile Sidekick LX

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

    PadFone E: 36 g lighter

    PadFone E:
    126 g
    Sidekick LX:
    162 g
  • Width

    Sidekick LX: 9.7 mm narrower

    PadFone E:
    69.7 mm
    Sidekick LX:
    60 mm
  • Screen diagonal

    Sidekick LX: 1.7 in smaller diagonal

    PadFone E:
    4.7 in
    Sidekick LX:
    3 in
  • Depth

    PadFone E: 12.9 mm thinner

    PadFone E:
    9.1 mm
    Sidekick LX:
    22 mm
  • Height

    Sidekick LX: 10.1 mm shorter

    PadFone E:
    139.6 mm
    Sidekick LX:
    129.5 mm
  • Release year

    PadFone E:
    2014
    Sidekick LX:
    2007

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 +10.1 mm versus Sidekick LX
    Width:
    69.7 mm +9.7 mm versus Sidekick LX
    Depth:
    9.1 mm
  2. 2. Sidekick LX

    Height:
    129.5 mm
    Width:
    60 mm
    Depth:
    22 mm +12.9 mm versus PadFone E

Weight

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

  1. 1. PadFone E

    126 g

  2. 2. Sidekick LX

    162 g

    +36 g versus PadFone E

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. Sidekick LX

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    25.6 cm²

PadFone E has approximately 137.7% more rectangular screen area than Sidekick LX.

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

Sidekick LX: Original memory entry

64 MB RAM · 64 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. PadFone E

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

2. Sidekick LX

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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

    +280 mAh versus Sidekick LX

  2. 2. Sidekick LX

    1540 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. Sidekick LX

Everyday essentials
Everyday essentials — specifications for PadFone E, Sidekick LX.
SpecificationPadFone ESidekick LX
Dimensions (HxWxD)
  • 139.6 Х 69.7 Х 9.1 mm
  • 129.5 Х 60 Х 22 mm
Weight
  • 126 g
  • 162 g
Technology
  • Super IPS LCD
  • TFT
Screen size
  • 4.7" inch
  • 3" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB RAM
  • 64 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1820 mAh
  • Non-removable Li-Ion
  • 1540 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.3 (Jelly Bean)
  • Danger OS
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for PadFone E, Sidekick LX.
SpecificationPadFone ESidekick LX
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 60.9 cm2
  • 25.6 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 62.6%
  • 33.0%
PPI /points per inch/
  • 312 PPI
  • 155 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for PadFone E, Sidekick LX.
SpecificationPadFone ESidekick LX
Rear camera, main
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 1.2 MP
  • Single
  • 0 MP,
Specifications
  • 1.2 MP
Unknown
Performance
Performance — specifications for PadFone E, Sidekick LX.
SpecificationPadFone ESidekick LX
Processor CPU
  • Quad-core 1.4 GHz Cortex-A7
Unknown
Graphics processor GPU
  • Adreno 305
Unknown
General specs
General specs — specifications for PadFone E, Sidekick LX.
SpecificationPadFone ESidekick LX
Release date
  • 2014
  • January
  • 2007
  • September
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 160 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 96 h Talking time- Up to 6 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for PadFone E, Sidekick LX.
SpecificationPadFone ESidekick LX
SIM card
  • Dual SIM (dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR - 0.40 W/kg (head) 0.46 W/kg (body)
Music and Audio
Music and Audio — specifications for PadFone E, Sidekick LX.
SpecificationPadFone ESidekick LX
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for PadFone E, Sidekick LX.
SpecificationPadFone ESidekick LX
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.
  • MP3/WMA audio player -MP4 player -Voice memo