Sendo X vs Siemens SX66

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.

  • Weight

    X: 90 g lighter

    X:
    120 g
    SX66:
    210 g
  • Width

    X: 22 mm narrower

    X:
    49 mm
    SX66:
    71 mm
  • Screen diagonal

    X: 1.3 in smaller diagonal

    X:
    2.2 in
    SX66:
    3.5 in
  • Depth

    SX66: 5 mm thinner

    X:
    23 mm
    SX66:
    18 mm
  • Height

    X: 15 mm shorter

    X:
    110 mm
    SX66:
    125 mm
  • Release year

    X:
    2003
    SX66:
    2004

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. X

    Height:
    110 mm
    Width:
    49 mm
    Depth:
    23 mm +5 mm versus SX66
  2. 2. SX66

    Height:
    125 mm +15 mm versus X
    Width:
    71 mm +22 mm versus X
    Depth:
    18 mm

Weight

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

  1. 1. X

    120 g

  2. 2. SX66

    210 g

    +90 g versus X

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. X

    X: Screen geometry unavailable or conflicting.

  2. 2. SX66

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²

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.

X: Original memory entry

32 MB

SX66: Original memory entry

128 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. X

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

2. SX66

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. X2. SX66

Everyday essentials
Everyday essentials — specifications for X, SX66.
SpecificationXSX66
Dimensions (HxWxD)
  • 110 Х 49 Х 23 mm
  • 125 Х 71 Х 18 mm
Weight
  • 120 g
  • 210 g
Technology
  • TFT
  • TFT
Screen size
  • 2.2" inch
  • 3.5" inch
Screen resolution
  • 176 x 220 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 MB
  • 128 MB RAM
Memory card support
  • MMC/SD
  • SDIO/MMC
Battery Capacity is not battery life. No endurance test is implied.
  • 1050 mAh
  • Removable Li-Po
  • 0 mAh,
Operating system OS
  • Symbian 6.1
  • Series 60 v1.0 UI
  • Microsoft Windows Mobile 2003 SE PocketPC
Chipset
  • TI OMAP 5910
Unknown
Headphone jack
  • No
  • No
Display
Display — specifications for X, SX66.
SpecificationXSX66
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 15.2 cm2
  • 37.9 cm2
Screen format Unknown
  • 4:3 (height:width)
Screen to body ratio
  • 28.3%
  • 42.7%
PPI /points per inch/
  • 0 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for X, SX66.
SpecificationXSX66
Rear camera, main
  • 0.3 MP
  • Single
  • 0 MP,
Functions
  • LED flash
Unknown
Video
  • Yes
Unknown
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for X, SX66.
SpecificationXSX66
Processor CPU
  • 120 MHz ARM925T
  • Intel Xscale PXA272 520 MHz
General specs
General specs — specifications for X, SX66.
SpecificationXSX66
Release date
  • 2003
  • Q4
  • 2004
  • Q4
Colors Unknown
  • Silver
Battery life
  • Stand by time- Up to 170 h Talking time- Up to 7 h
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for X, SX66.
SpecificationXSX66
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 8
  • Class 10
Edge
  • No
  • No
Wi-Fi
  • No
  • Wi-Fi 802.11b
GPS
  • No
  • No
USB
  • Proprietary
  • Proprietary
Bluetooth
  • 1.1
  • Yes
Music and Audio
Music and Audio — specifications for X, SX66.
SpecificationXSX66
Radio
  • No
  • No
Others Unknown
  • Downloadable logos
Other features
Other features — specifications for X, SX66.
SpecificationXSX66
Dop
  • Infrared port - MP4/MP3 player -Sync ML
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input