Fujitsu Siemens T830 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 LX: 28 g lighter

    Siemens T830:
    190 g
    Sidekick LX:
    162 g
  • Width

    Sidekick LX: 4 mm narrower

    Siemens T830:
    64 mm
    Sidekick LX:
    60 mm
  • Screen diagonal

    Siemens T830: 0.6 in smaller diagonal

    Siemens T830:
    2.4 in
    Sidekick LX:
    3 in
  • Depth

    Siemens T830: 1 mm thinner

    Siemens T830:
    21 mm
    Sidekick LX:
    22 mm
  • Height

    Siemens T830: 3.5 mm shorter

    Siemens T830:
    126 mm
    Sidekick LX:
    129.5 mm
  • Release year

    Siemens T830:
    2006
    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. Siemens T830

    Height:
    126 mm
    Width:
    64 mm +4 mm versus Sidekick LX
    Depth:
    21 mm
  2. 2. Sidekick LX

    Height:
    129.5 mm +3.5 mm versus Siemens T830
    Width:
    60 mm
    Depth:
    22 mm +1 mm versus Siemens T830

Weight

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

  1. 1. Siemens T830

    190 g

    +28 g versus Sidekick LX

  2. 2. Sidekick LX

    162 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. Siemens T830

    Screen diagonal:
    2.4 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    18.6 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 37.9% more rectangular screen area than Siemens T830.

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.

Siemens T830: Original memory entry

64 MB RAM · 128 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. Siemens T830

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD

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. Siemens T830

    1500 mAh

  2. 2. Sidekick LX

    1540 mAh

    +40 mAh versus Siemens T830

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. Siemens T8302. Sidekick LX

Everyday essentials
Everyday essentials — specifications for Siemens T830, Sidekick LX.
SpecificationSiemens T830Sidekick LX
Dimensions (HxWxD)
  • 126 Х 64 Х 21 mm
  • 129.5 Х 60 Х 22 mm
Weight
  • 190 g
  • 162 g
Technology
  • TFT
  • TFT
Screen size
  • 2.4" inch
  • 3" inch
Screen resolution
  • 240 x 240 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 128 MB ROM
  • 64 MB RAM
  • 64 MB ROM
Memory card support
  • SD
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1540 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 Phone Edition
  • Danger OS
Headphone jack
  • No
  • No
Display
Display — specifications for Siemens T830, Sidekick LX.
SpecificationSiemens T830Sidekick LX
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 18.6 cm2
  • 25.6 cm2
Screen format
  • 1:1 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 23.0%
  • 33.0%
PPI /points per inch/
  • 141 PPI
  • 155 PPI
Camera and Video
Camera and Video — specifications for Siemens T830, Sidekick LX.
SpecificationSiemens T830Sidekick LX
Rear camera, main
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 2 MP
  • AF
  • 1.3 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for Siemens T830, Sidekick LX.
SpecificationSiemens T830Sidekick LX
Processor CPU
  • Intel PXA272 416 MHz
Unknown
General specs
General specs — specifications for Siemens T830, Sidekick LX.
SpecificationSiemens T830Sidekick LX
Release date
  • 2006
  • August
  • 2007
  • September
Colors
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 160 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
  • Stand by time- Up to 96 h Talking time- Up to 6 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for Siemens T830, Sidekick LX.
SpecificationSiemens T830Sidekick LX
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Unknown
Speed
  • Yes
  • 384 kbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b/g
  • No
GPS
  • Yes
  • SiRF GCS3F receiver
  • No
USB
  • Proprietary
  • Proprietary
Bluetooth
  • 2.0
  • 2.0
Harmful irradiation Unknown
  • SAR - 0.40 W/kg (head) 0.46 W/kg (body)
Music and Audio
Music and Audio — specifications for Siemens T830, Sidekick LX.
SpecificationSiemens T830Sidekick LX
Radio
  • No
  • No
Others
  • 5-way navigation key
Unknown
Other features
Other features — specifications for Siemens T830, Sidekick LX.
SpecificationSiemens T830Sidekick LX
Dop
  • SiRF GCS3F receiver -Video telephony -Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Organizer -Voice memo
  • MP3/WMA audio player -MP4 player -Voice memo