Micromax W900 vs O2 XDA Atom

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

    W900: 27 g lighter

    W900:
    113 g
    XDA Atom:
    140 g
  • Width

    W900: 3 mm narrower

    W900:
    55 mm
    XDA Atom:
    58 mm
  • Screen diagonal

    XDA Atom: 0.5 in smaller diagonal

    W900:
    3.2 in
    XDA Atom:
    2.7 in
  • Depth

    W900: 4.3 mm thinner

    W900:
    14.2 mm
    XDA Atom:
    18.5 mm
  • Height

    XDA Atom: 10 mm shorter

    W900:
    112 mm
    XDA Atom:
    102 mm
  • Release year

    W900:
    2010
    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. W900

    Height:
    112 mm +10 mm versus XDA Atom
    Width:
    55 mm
    Depth:
    14.2 mm
  2. 2. XDA Atom

    Height:
    102 mm
    Width:
    58 mm +3 mm versus W900
    Depth:
    18.5 mm +4.3 mm versus W900

Weight

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

  1. 1. W900

    113 g

  2. 2. XDA Atom

    140 g

    +27 g versus W900

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. W900

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    29.1 cm²
  2. 2. XDA Atom

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

W900 has approximately 29.1% 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.

W900: Original memory entry

256 MB ROM · 128 MB RAM

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. W900

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot) · 2 GB included

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. W900

    1500 mAh

  2. 2. XDA Atom

    1530 mAh

    +30 mAh versus W900

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. W9002. XDA Atom

Everyday essentials
Everyday essentials — specifications for W900, XDA Atom.
SpecificationW900XDA Atom
Dimensions (HxWxD)
  • 112 Х 55 Х 14.2 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 113 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 2.7" inch
Screen resolution
  • 240 x 400 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB ROM
  • 128 MB RAM
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • 2 GB included
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Microsoft Windows Mobile 5.0 PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for W900, XDA Atom.
SpecificationW900XDA Atom
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 29.1 cm2
  • 22.6 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 47.3%
  • 38.2%
PPI /points per inch/
  • 146 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for W900, XDA Atom.
SpecificationW900XDA Atom
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • No
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for W900, XDA Atom.
SpecificationW900XDA Atom
Processor CPU
  • K3 Hi3611 460MHz
  • Intel PXA272 416 MHz
General specs
General specs — specifications for W900, XDA Atom.
SpecificationW900XDA Atom
Release date
  • 2010
  • February
  • 2005
  • November
Colors
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 60 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 480 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 W900, XDA Atom.
SpecificationW900XDA Atom
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • Proprietary
  • miniUSB
Bluetooth
  • Yes
  • 1.2
Music and Audio
Music and Audio — specifications for W900, XDA Atom.
SpecificationW900XDA Atom
Radio
  • No
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for W900, XDA Atom.
SpecificationW900XDA Atom
Dop
  • Sensors Accelerometer Organizer -Document viewer -MP3/AAC+/WAV/WMA player -MP4/H.264/WMV player -Voice memo -Predictive text input
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815