O2 XDA Comet vs Samsung i750

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

    XDA Comet: 15 g lighter

    XDA Comet:
    145 g
    i750:
    160 g
  • Width

    i750: 6 mm narrower

    XDA Comet:
    58 mm
    i750:
    52 mm
  • Depth

    XDA Comet: 3 mm thinner

    XDA Comet:
    19 mm
    i750:
    22 mm
  • Release year

    XDA Comet:
    2007
    i750:
    2005

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 +6 mm versus i750
    Depth:
    19 mm
  2. 2. i750

    Height:
    107 mm
    Width:
    52 mm
    Depth:
    22 mm +3 mm versus XDA Comet

Weight

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

  1. 1. XDA Comet

    145 g

  2. 2. i750

    160 g

    +15 g versus XDA Comet

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. i750

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

XDA Comet has approximately 7.8% more rectangular screen area than i750.

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

i750: Original memory entry

79 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. i750

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.

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. i750

Everyday essentials
Everyday essentials — specifications for XDA Comet, i750.
SpecificationXDA Cometi750
Dimensions (HxWxD)
  • 106 Х 58 Х 19 mm
  • 107 Х 52 Х 22 mm
Weight
  • 145 g
  • 160 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 2.6" 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
  • 79 MB
Memory card support
  • miniSD
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 800 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.0 Professional
  • Microsoft Windows Mobile 2003 SE PocketPC
Headphone jack
  • No
  • No
Display
Display — specifications for XDA Comet, i750.
SpecificationXDA Cometi750
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 22.6 cm2
  • 20.9 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 36.7%
  • 37.6%
PPI /points per inch/
  • 148 PPI
  • 154 PPI
Camera and Video
Camera and Video — specifications for XDA Comet, i750.
SpecificationXDA Cometi750
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
  • AF
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, i750.
SpecificationXDA Cometi750
Processor CPU
  • Intel XScale PXA 270 620 MHz
  • Intel XScale PXA270 416 MHz
General specs
General specs — specifications for XDA Comet, i750.
SpecificationXDA Cometi750
Release date
  • 2007
  • September
  • 2005
  • Q1
Colors
  • Silver
  • Black
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 6 h
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for XDA Comet, i750.
SpecificationXDA Cometi750
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
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11b
GPS
  • No
  • No
USB
  • miniUSB
  • Proprietary
Bluetooth
  • 1.2
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.22 W/kg (head)
Music and Audio
Music and Audio — specifications for XDA Comet, i750.
SpecificationXDA Cometi750
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • Handwriting recognition
  • Dual speaker
Other features
Other features — specifications for XDA Comet, i750.
SpecificationXDA Cometi750
Dop
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player
  • Infrared port - TV-out -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player -Pocket Office -File explorer -SyncML -Predictive text input -Voice memo -Organizer