T-Mobile Sidekick 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

    Sidekick: 34 g lighter

    Sidekick:
    128 g
    Sidekick LX:
    162 g
  • Width

    Sidekick: 2 mm narrower

    Sidekick:
    58 mm
    Sidekick LX:
    60 mm
  • Screen diagonal

    Sidekick: 0.4 in smaller diagonal

    Sidekick:
    2.6 in
    Sidekick LX:
    3 in
  • Depth

    Sidekick: 4 mm thinner

    Sidekick:
    18 mm
    Sidekick LX:
    22 mm
  • Height

    Sidekick: 10.5 mm shorter

    Sidekick:
    119 mm
    Sidekick LX:
    129.5 mm
  • Release year

    Sidekick:
    2008
    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. Sidekick

    Height:
    119 mm
    Width:
    58 mm
    Depth:
    18 mm
  2. 2. Sidekick LX

    Height:
    129.5 mm +10.5 mm versus Sidekick
    Width:
    60 mm +2 mm versus Sidekick
    Depth:
    22 mm +4 mm versus Sidekick

Weight

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

  1. 1. Sidekick

    128 g

  2. 2. Sidekick LX

    162 g

    +34 g versus Sidekick

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. Sidekick

    Screen diagonal:
    2.6 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    19.2 cm²
  2. 2. Sidekick LX

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

Sidekick LX has approximately 33.1% more rectangular screen area than Sidekick.

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.

Sidekick: Original memory entry

128 MB RAM · 64 MB ROM

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. Sidekick

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (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. Sidekick

    1030 mAh

  2. 2. Sidekick LX

    1540 mAh

    +510 mAh versus Sidekick

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. Sidekick2. Sidekick LX

Everyday essentials
Everyday essentials — specifications for Sidekick, Sidekick LX.
SpecificationSidekickSidekick LX
Dimensions (HxWxD)
  • 119 Х 58 Х 18 mm
  • 129.5 Х 60 Х 22 mm
Weight
  • 128 g
  • 162 g
Technology
  • TFT
  • TFT
Screen size
  • 2.6" inch
  • 3" inch
Screen resolution
  • 240 x 400 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 64 MB ROM
  • 64 MB RAM
  • 64 MB ROM
Memory card support
  • microSD (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1030 mAh
  • Removable Li-Ion
  • 1540 mAh
  • Removable Li-Ion
Operating system OS
  • Danger 4.7
  • Danger OS
Headphone jack
  • Yes
  • No
Display
Display — specifications for Sidekick, Sidekick LX.
SpecificationSidekickSidekick LX
Display colors
  • 65K
  • 65K
Screen area
  • 19.2 cm2
  • 25.6 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 27.9%
  • 33.0%
PPI /points per inch/
  • 179 PPI
  • 155 PPI
Camera and Video
Camera and Video — specifications for Sidekick, Sidekick LX.
SpecificationSidekickSidekick LX
Rear camera, main
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 1.3 MP
  • 1.3 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
General specs
General specs — specifications for Sidekick, Sidekick LX.
SpecificationSidekickSidekick LX
Release date
  • 2008
  • July
  • 2007
  • September
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 160 EUR
Battery life
  • Stand by time- Up to 216 h Talking time- Up to 5 h
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick, Sidekick LX.
SpecificationSidekickSidekick LX
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • No
  • No
GPS
  • No
  • No
USB
  • miniUSB
  • Proprietary
Bluetooth
  • 2.0
  • 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 Sidekick, Sidekick LX.
SpecificationSidekickSidekick LX
Radio
  • No
  • No
Others
  • Swivel display
Unknown
Other features
Other features — specifications for Sidekick, Sidekick LX.
SpecificationSidekickSidekick LX
Dop
  • MP3/WAV/WMA audio player -MP4 player -Voice memo -Predictive text input
  • MP3/WMA audio player -MP4 player -Voice memo