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Micromax A25 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

    A25: 38 g lighter

    A25:
    102 g
    XDA Atom:
    140 g
  • Width

    A25: 2 mm narrower

    A25:
    56 mm
    XDA Atom:
    58 mm
  • Depth

    A25: 5.5 mm thinner

    A25:
    13 mm
    XDA Atom:
    18.5 mm
  • Height

    XDA Atom: 2.5 mm shorter

    A25:
    104.5 mm
    XDA Atom:
    102 mm
  • Release year

    A25:
    2012
    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. A25

    Height:
    104.5 mm +2.5 mm versus XDA Atom
    Width:
    56 mm
    Depth:
    13 mm
  2. 2. XDA Atom

    Height:
    102 mm
    Width:
    58 mm +2 mm versus A25
    Depth:
    18.5 mm +5.5 mm versus A25

Weight

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

  1. 1. A25

    102 g

  2. 2. XDA Atom

    140 g

    +38 g versus A25

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. A25

    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

A25 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.

A25: Original memory entry

256 MB RAM · 512 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. A25

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

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. A25

    1280 mAh

  2. 2. XDA Atom

    1530 mAh

    +250 mAh versus A25

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. A252. XDA Atom

Everyday essentials
Everyday essentials — specifications for A25, XDA Atom.
SpecificationA25XDA Atom
Dimensions (HxWxD)
  • 104.5 Х 56 Х 13 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 102 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.
  • 256 MB RAM
  • 512 MB
  • 64 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1280 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 2.3.6 (Gingerbread)
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Mediatek MT6515
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for A25, XDA Atom.
SpecificationA25XDA Atom
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 24.3 cm2
  • 22.6 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 41.5%
  • 38.2%
PPI /points per inch/
  • 143 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for A25, XDA Atom.
SpecificationA25XDA Atom
Rear camera, main
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 1.3 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for A25, XDA Atom.
SpecificationA25XDA Atom
Processor CPU
  • 1.0 GHz Cortex-A9
  • Intel PXA272 416 MHz
Graphics processor GPU
  • PowerVR SGX531
Unknown
General specs
General specs — specifications for A25, XDA Atom.
SpecificationA25XDA Atom
Release date
  • 2012
  • October
  • 2005
  • November
Colors
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 4 h
  • Stand by time- Up to 150 h Talking time- Up to 5 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for A25, XDA Atom.
SpecificationA25XDA Atom
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b
GPS
  • No
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 2.1
  • 1.2
Music and Audio
Music and Audio — specifications for A25, XDA Atom.
SpecificationA25XDA Atom
Radio
  • FM radio
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for A25, XDA Atom.
SpecificationA25XDA Atom
Dop
  • Sensors Accelerometer
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815