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Micromax A90 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.

  • Width

    XDA Atom: 7 mm narrower

    A90:
    65 mm
    XDA Atom:
    58 mm
  • Screen diagonal

    XDA Atom: 1.6 in smaller diagonal

    A90:
    4.3 in
    XDA Atom:
    2.7 in
  • Depth

    A90: 7.9 mm thinner

    A90:
    10.6 mm
    XDA Atom:
    18.5 mm
  • Height

    XDA Atom: 23 mm shorter

    A90:
    125 mm
    XDA Atom:
    102 mm
  • Release year

    A90:
    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. A90

    Height:
    125 mm +23 mm versus XDA Atom
    Width:
    65 mm +7 mm versus XDA Atom
    Depth:
    10.6 mm
    Weight:
    Unknown
  2. 2. XDA Atom

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +7.9 mm versus A90
    Weight:
    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. A90

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

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

A90 has approximately 133.1% 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.

A90: Original memory entry

4 GB (2 GB user available) · 512 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. A90

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. A90

    1600 mAh

    +70 mAh versus XDA Atom

  2. 2. XDA Atom

    1530 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. A902. XDA Atom

Everyday essentials
Everyday essentials — specifications for A90, XDA Atom.
SpecificationA90XDA Atom
Dimensions (HxWxD)
  • 125 Х 65 Х 10.6 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 0 g
  • 140 g
Technology
  • AMOLED
  • TFT
Screen size
  • 4.3" inch
  • 2.7" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB (2 GB user available)
  • 512 MB RAM
  • 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.
  • 1600 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.0.3 (Ice Cream Sandwich)
  • Microsoft Windows Mobile 5.0 PocketPC
Chipset
  • Mediatek MT6575 (40 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for A90, XDA Atom.
SpecificationA90XDA Atom
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 256K
Unknown
Screen area
  • 52.6 cm2
  • 22.6 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 64.8%
  • 38.2%
PPI /points per inch/
  • 217 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for A90, XDA Atom.
SpecificationA90XDA Atom
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • 2 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A90, XDA Atom.
SpecificationA90XDA Atom
Processor CPU
  • 1.0 GHz Cortex-A9
  • Intel PXA272 416 MHz
Graphics processor GPU
  • PowerVR SGX531
Unknown
General specs
General specs — specifications for A90, XDA Atom.
SpecificationA90XDA Atom
Release date
  • 2012
  • July
  • 2005
  • November
Colors
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 260 EUR
Battery life
  • Stand by time- Up to 174 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 A90, XDA Atom.
SpecificationA90XDA Atom
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 2.1
  • A2DP
  • 1.2
Music and Audio
Music and Audio — specifications for A90, XDA Atom.
SpecificationA90XDA Atom
Radio
  • FM radio
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for A90, XDA Atom.
SpecificationA90XDA Atom
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP3/AAC/WMA/WAV player -MP4/WMV/H.264 player -Organizer -Document viewer -Voice memo/dial -Predictive text input (Swype)
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player - Produced by Quanta Computer. Functionally identical to HP iPAQ rw6815