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Asus P550 vs O2 XDA Atom

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 Atom: 20 g lighter

    P550:
    160 g
    XDA Atom:
    140 g
  • Width

    XDA Atom: 1 mm narrower

    P550:
    59 mm
    XDA Atom:
    58 mm
  • Depth

    XDA Atom: 0.5 mm thinner

    P550:
    19 mm
    XDA Atom:
    18.5 mm
  • Height

    XDA Atom: 14.8 mm shorter

    P550:
    116.8 mm
    XDA Atom:
    102 mm
  • Release year

    P550:
    2006
    XDA Atom:
    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. P550

    Height:
    116.8 mm +14.8 mm versus XDA Atom
    Width:
    59 mm +1 mm versus XDA Atom
    Depth:
    19 mm +0.5 mm versus XDA Atom
  2. 2. XDA Atom

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm

Weight

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

  1. 1. P550

    160 g

    +20 g versus XDA Atom

  2. 2. XDA Atom

    140 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. P550

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

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

P550 has approximately 7.5% more rectangular screen area than XDA Atom.

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.

P550: Original memory entry

128 MB

XDA Atom: Original memory entry

64 MB RAM · 128 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. P550

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

2. XDA Atom

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. P550

    1300 mAh

  2. 2. XDA Atom

    1530 mAh

    +230 mAh versus P550

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. P5502. XDA Atom

Everyday essentials
Everyday essentials — specifications for P550, XDA Atom.
SpecificationP550XDA Atom
Dimensions (HxWxD)
  • 116.8 Х 59 Х 19 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 160 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.7" inch
Screen resolution
  • 240 x 320 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • miniSD
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Microsoft Windows Mobile 5.0 PocketPC
Headphone jack
  • No
  • No
Display
Display — specifications for P550, XDA Atom.
SpecificationP550XDA Atom
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 22.6 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 35.2%
  • 38.2%
PPI /points per inch/
  • 143 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for P550, XDA Atom.
SpecificationP550XDA Atom
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • AF
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for P550, XDA Atom.
SpecificationP550XDA Atom
Processor CPU
  • Intel XScale 416 MHz
  • Intel PXA272 416 MHz
General specs
General specs — specifications for P550, XDA Atom.
SpecificationP550XDA Atom
Release date
  • 2006
  • March
  • 2005
  • November
Colors
  • Silver
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 260 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 5 h
  • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for P550, XDA Atom.
SpecificationP550XDA Atom
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 10
  • Class 10
Edge
  • No
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11b
GPS
  • No
  • No
USB
  • miniUSB
  • miniUSB
Bluetooth
  • 2.0
  • 1.2
Music and Audio
Music and Audio — specifications for P550, XDA Atom.
SpecificationP550XDA Atom
Radio
  • No
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for P550, XDA Atom.
SpecificationP550XDA Atom
Dop
  • Infrared port - Business card scanner -Voice Recognition and Hand-free mode -Information Security -Flight Mode -MP3 Player -Pocket Office -Organizer -Voice memo -World time -Currency converter -Stopwatch
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815