O2 XDA Stellar vs Siemens SX1

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

    SX1: 74 g lighter

    XDA Stellar:
    190 g
    SX1:
    116 g
  • Width

    SX1: 3 mm narrower

    XDA Stellar:
    59 mm
    SX1:
    56 mm
  • Screen diagonal

    SX1: 0.6 in smaller diagonal

    XDA Stellar:
    2.8 in
    SX1:
    2.2 in
  • Chipset

    XDA Stellar:
    Qualcomm MSM7200
    SX1:
    TI OMAP 310
  • Height

    SX1: 3 mm shorter

    XDA Stellar:
    112 mm
    SX1:
    109 mm
  • Release year

    XDA Stellar:
    2007
    SX1:
    2003

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 +3 mm versus SX1
    Width:
    59 mm +3 mm versus SX1
    Depth:
    18.6 mm
  2. 2. SX1

    Height:
    109 mm
    Width:
    56 mm
    Depth:
    19 mm

Weight

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

  1. 1. XDA Stellar

    190 g

    +74 g versus SX1

  2. 2. SX1

    116 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. XDA Stellar

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. SX1

    SX1: Screen geometry unavailable or conflicting.

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

SX1: Original memory entry

16 MB

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. SX1

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

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

    +350 mAh versus SX1

  2. 2. SX1

    1000 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. XDA Stellar2. SX1

Everyday essentials
Everyday essentials — specifications for XDA Stellar, SX1.
SpecificationXDA StellarSX1
Dimensions (HxWxD)
  • 112 Х 59 Х 18.6 mm
  • 109 Х 56 Х 19 mm
Weight
  • 190 g
  • 116 g
Technology
  • TFT
  • TFD
Screen size
  • 2.8" inch
  • 2.2" inch
Screen resolution
  • 240 x 320 px
  • 176 x 220 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
  • 16 MB
Memory card support
  • microSD
  • MMC
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Removable Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Symbian 6.1
  • Series 60 v1.0 UI
Chipset
  • Qualcomm MSM7200
  • TI OMAP 310
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Stellar, SX1.
SpecificationXDA StellarSX1
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
  • 15.2 cm2
Screen format
  • 4:3 (height:width)
Unknown
Screen to body ratio
  • 36.7%
  • 25.0%
PPI /points per inch/
  • 143 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for XDA Stellar, SX1.
SpecificationXDA StellarSX1
Rear camera, main
  • 3.15 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for XDA Stellar, SX1.
SpecificationXDA StellarSX1
Processor CPU
  • 400 MHz ARM 11
  • 120 MHz ARM9
Graphics processor GPU
  • Adreno 130
Unknown
General specs
General specs — specifications for XDA Stellar, SX1.
SpecificationXDA StellarSX1
Release date
  • 2007
  • November
  • 2003
  • Q3
Colors
  • Silver
  • Ice Blue
Battery life
  • Stand by time- Up to 365 h Talking time- Up to 5 h
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for XDA Stellar, SX1.
SpecificationXDA StellarSX1
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
  • No
Wi-Fi
  • Wi-Fi 802.11b/g
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • 2.0
  • Proprietary
Bluetooth
  • 2.0
  • 1.1
Music and Audio
Music and Audio — specifications for XDA Stellar, SX1.
SpecificationXDA StellarSX1
Radio
  • No
  • FM radio
Others
  • Handwriting recognition
  • Unique keypad arrangement
  • Loud speaker
Other features
Other features — specifications for XDA Stellar, SX1.
SpecificationXDA StellarSX1
Dop
  • Pocket Office -Business card reader -Voice memo -Media Player 10 HTC Kaiser platform
  • Infrared port - MP3 player/recorder -Predictive text input -Organizer -User profiles -SyncML