O2 XDA Atom vs Vodafone 845

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

    845: 31 g lighter

    XDA Atom:
    140 g
    845:
    109 g
  • Width

    845: 3 mm narrower

    XDA Atom:
    58 mm
    845:
    55 mm
  • Depth

    845: 4.5 mm thinner

    XDA Atom:
    18.5 mm
    845:
    14 mm
  • Height

    845: 3 mm shorter

    XDA Atom:
    102 mm
    845:
    99 mm
  • Release year

    XDA Atom:
    2005
    845:
    2010

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 Atom

    Height:
    102 mm +3 mm versus 845
    Width:
    58 mm +3 mm versus 845
    Depth:
    18.5 mm +4.5 mm versus 845
  2. 2. 845

    Height:
    99 mm
    Width:
    55 mm
    Depth:
    14 mm

Weight

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

  1. 1. XDA Atom

    140 g

    +31 g versus 845

  2. 2. 845

    109 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 Atom

    Screen diagonal:
    2.7 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    22.6 cm²
  2. 2. 845

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

845 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.

XDA Atom: Original memory entry

64 MB RAM · 128 MB ROM

845: Original memory entry

512 MB · 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. XDA Atom

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

2. 845

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

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 Atom

    1530 mAh

    +330 mAh versus 845

  2. 2. 845

    1200 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 Atom2. 845

Everyday essentials
Everyday essentials — specifications for XDA Atom, 845.
SpecificationXDA Atom845
Dimensions (HxWxD)
  • 102 Х 58 Х 18.5 mm
  • 99 Х 55 Х 14 mm
Weight
  • 140 g
  • 109 g
Technology
  • TFT
  • TFT
Screen size
  • 2.7" inch
  • 2.8" 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.
  • 64 MB RAM
  • 128 MB ROM
  • 512 MB
  • 128 MB RAM
Memory card support
  • miniSD
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 2.1 (Eclair)
Headphone jack
  • No
  • Yes
Display
Display — specifications for XDA Atom, 845.
SpecificationXDA Atom845
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 22.6 cm2
  • 24.3 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 38.2%
  • 44.6%
PPI /points per inch/
  • 148 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for XDA Atom, 845.
SpecificationXDA Atom845
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for XDA Atom, 845.
SpecificationXDA Atom845
Processor CPU
  • Intel PXA272 416 MHz
Unknown
General specs
General specs — specifications for XDA Atom, 845.
SpecificationXDA Atom845
Release date
  • 2005
  • November
  • 2010
  • April
Colors
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
  • Stand by time- Up to 288 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for XDA Atom, 845.
SpecificationXDA Atom845
SIM card
  • Mini-SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed Unknown
  • HSPA 3.6/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • No
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • 2.0
Bluetooth
  • 1.2
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for XDA Atom, 845.
SpecificationXDA Atom845
Radio
  • FM radio
  • Stereo FM radio
Others
  • Handwriting recognition
Unknown
Other features
Other features — specifications for XDA Atom, 845.
SpecificationXDA Atom845
Dop
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815
  • Sensors Accelerometer
  • compass - MP3/WAV/eAAC+/WMA player -MP4/H.264 player -Document viewer -Organizer -Photo/video editor -Voice memo -Predictive text input