O2 XDA Comet vs Vodafone 1231

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

    1231: 15 g lighter

    XDA Comet:
    145 g
    1231:
    130 g
  • Width

    XDA Comet: 7.4 mm narrower

    XDA Comet:
    58 mm
    1231:
    65.4 mm
  • Screen diagonal

    1231: 0.2 in smaller diagonal

    XDA Comet:
    2.7 in
    1231:
    2.5 in
  • Depth

    1231: 4.5 mm thinner

    XDA Comet:
    19 mm
    1231:
    14.5 mm
  • Height

    XDA Comet: 7 mm shorter

    XDA Comet:
    106 mm
    1231:
    113 mm
  • Release year

    XDA Comet:
    2007
    1231:
    2009

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 Comet

    Height:
    106 mm
    Width:
    58 mm
    Depth:
    19 mm +4.5 mm versus 1231
  2. 2. 1231

    Height:
    113 mm +7 mm versus XDA Comet
    Width:
    65.4 mm +7.4 mm versus XDA Comet
    Depth:
    14.5 mm

Weight

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

  1. 1. XDA Comet

    145 g

    +15 g versus 1231

  2. 2. 1231

    130 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 Comet

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. 1231

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

XDA Comet has approximately 16.6% more rectangular screen area than 1231.

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 Comet: Original memory entry

64 MB RAM · 1 GB ROM

1231: Original memory entry

48 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 Comet

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

2. 1231

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 GB (dedicated slot)

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. XDA Comet2. 1231

Everyday essentials
Everyday essentials — specifications for XDA Comet, 1231.
SpecificationXDA Comet1231
Dimensions (HxWxD)
  • 106 Х 58 Х 19 mm
  • 113 Х 65.4 Х 14.5 mm
Weight
  • 145 g
  • 130 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 2.5" inch
Screen resolution
  • 240 x 320 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 MB RAM
  • 1 GB ROM
  • 48 MB
Memory card support
  • miniSD
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Microsoft Windows Mobile 6.1 Standard
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Comet, 1231.
SpecificationXDA Comet1231
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 65K
Screen area
  • 22.6 cm2
  • 19.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 36.7%
  • 26.2%
PPI /points per inch/
  • 148 PPI
  • 160 PPI
Camera and Video
Camera and Video — specifications for XDA Comet, 1231.
SpecificationXDA Comet1231
Rear camera, main
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 2 MP
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA videocall camera
Unknown
Performance
Performance — specifications for XDA Comet, 1231.
SpecificationXDA Comet1231
Processor CPU
  • Intel XScale PXA 270 620 MHz
Unknown
General specs
General specs — specifications for XDA Comet, 1231.
SpecificationXDA Comet1231
Release date
  • 2007
  • September
  • 2009
  • June
Colors
  • Silver
  • Black
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h
  • Stand by time- Up to 230 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for XDA Comet, 1231.
SpecificationXDA Comet1231
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Class 10
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b/g
  • No
GPS
  • No
  • Yes
USB
  • miniUSB
  • Proprietary
Bluetooth
  • 1.2
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.69 W/kg (head)
Music and Audio
Music and Audio — specifications for XDA Comet, 1231.
SpecificationXDA Comet1231
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Comet, 1231.
SpecificationXDA Comet1231
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player
  • MP3/MP4 player -Organizer -Voice memo -Predictive text input