O2 XDA Stellar vs T-Mobile Sidekick 3

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Screen diagonal

    Sidekick 3: 0.2 in smaller diagonal

    XDA Stellar:
    2.8 in
    Sidekick 3:
    2.6 in
  • Depth

    XDA Stellar: 3.4 mm thinner

    XDA Stellar:
    18.6 mm
    Sidekick 3:
    22 mm
  • Height

    XDA Stellar: 18 mm shorter

    XDA Stellar:
    112 mm
    Sidekick 3:
    130 mm
  • Release year

    XDA Stellar:
    2007
    Sidekick 3:
    2006

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. XDA Stellar

    Height:
    112 mm
    Width:
    59 mm
    Depth:
    18.6 mm
  2. 2. Sidekick 3

    Height:
    130 mm +18 mm versus XDA Stellar
    Width:
    59 mm
    Depth:
    22 mm +3.4 mm versus XDA Stellar

Weight

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

  1. 1. XDA Stellar

    190 g

  2. 2. Sidekick 3

    190 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. XDA Stellar

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Sidekick 3

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

XDA Stellar has approximately 20.6% more rectangular screen area than Sidekick 3.

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.

XDA Stellar: Original memory entry

128 MB RAM · 256 MB ROM

Sidekick 3: Original memory entry

64 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. XDA Stellar

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

2. Sidekick 3

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

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. XDA Stellar

    1350 mAh

  2. 2. Sidekick 3

    1500 mAh

    +150 mAh versus XDA Stellar

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. XDA Stellar2. Sidekick 3

Everyday essentials
Everyday essentials — specifications for XDA Stellar, Sidekick 3.
SpecificationXDA StellarSidekick 3
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 130 Х 59 Х 22 mm
Weight
  • 190 g
  • 190 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.6" inch
Screen resolution
  • 240 x 320 px
  • 160 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB RAM
  • 256 MB ROM
  • 64 MB RAM
Memory card support
  • microSD
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Danger 3.0
Chipset
  • Qualcomm MSM7200
Unknown
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Stellar, Sidekick 3.
SpecificationXDA StellarSidekick 3
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
  • 20.1 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 36.7%
  • 26.2%
PPI /points per inch/
  • 143 PPI
  • 111 PPI
Camera and Video
Camera and Video — specifications for XDA Stellar, Sidekick 3.
SpecificationXDA StellarSidekick 3
Rear camera, main
  • 3.15 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 1.3 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • No
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for XDA Stellar, Sidekick 3.
SpecificationXDA StellarSidekick 3
Processor CPU
  • 400 MHz ARM 11
Unknown
Graphics processor GPU
  • Adreno 130
Unknown
General specs
General specs — specifications for XDA Stellar, Sidekick 3.
SpecificationXDA StellarSidekick 3
Release date
  • 2007
  • November
  • 2006
  • June
Colors
  • Silver
  • Black
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
  • Stand by time- Up to 72 h Talking time- Up to 4 h 50 min
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, Sidekick 3.
SpecificationXDA StellarSidekick 3
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 3.6/0.384 Mbps
Unknown
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b/g
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • 2.0
  • 1.1
Bluetooth
  • 2.0
  • 1.2
Music and Audio
Music and Audio — specifications for XDA Stellar, Sidekick 3.
SpecificationXDA StellarSidekick 3
Radio
  • No
  • No
Others
  • Handwriting recognition
  • Swivel display
Other features
Other features — specifications for XDA Stellar, Sidekick 3.
SpecificationXDA StellarSidekick 3
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • MP3 audio player -Voice memo