Acer M900 vs O2 XDA Atom Life

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

    XDA Atom Life: 43 g lighter

    M900:
    188 g
    XDA Atom Life:
    145 g
  • Width

    XDA Atom Life: 4 mm narrower

    M900:
    62 mm
    XDA Atom Life:
    58 mm
  • Screen diagonal

    XDA Atom Life: 1.1 in smaller diagonal

    M900:
    3.8 in
    XDA Atom Life:
    2.7 in
  • Depth

    M900: 0.9 mm thinner

    M900:
    17.1 mm
    XDA Atom Life:
    18 mm
  • Height

    XDA Atom Life: 13 mm shorter

    M900:
    119 mm
    XDA Atom Life:
    106 mm
  • Release year

    M900:
    2009
    XDA Atom Life:
    2007

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. M900

    Height:
    119 mm +13 mm versus XDA Atom Life
    Width:
    62 mm +4 mm versus XDA Atom Life
    Depth:
    17.1 mm
  2. 2. XDA Atom Life

    Height:
    106 mm
    Width:
    58 mm
    Depth:
    18 mm +0.9 mm versus M900

Weight

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

  1. 1. M900

    188 g

    +43 g versus XDA Atom Life

  2. 2. XDA Atom Life

    145 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. M900

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

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

M900 has approximately 82.1% more rectangular screen area than XDA Atom Life.

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.

M900: Original memory entry

Super AMOLED

XDA Atom Life: Original memory entry

64 MB RAM · 1 GB 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. M900

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. XDA Atom Life

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. M900

    1530 mAh

  2. 2. XDA Atom Life

    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. M9002. XDA Atom Life

Everyday essentials
Everyday essentials — specifications for M900, XDA Atom Life.
SpecificationM900XDA Atom Life
Dimensions (HxWxD)
  • 119 Х 62 Х 17.1 mm
  • 106 Х 58 Х 18 mm
Weight
  • 188 g
  • 145 g
Technology
  • TFT
  • TFT
Screen size
  • 3.8" 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.
  • Super AMOLED
  • 64 MB RAM
  • 1 GB ROM
Memory card support
  • microSD (dedicated slot)
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1530 mAh
  • Removable Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Microsoft Windows Mobile 5.0 PocketPC
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • No
Display
Display — specifications for M900, XDA Atom Life.
SpecificationM900XDA Atom Life
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 41.1 cm2
  • 22.6 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 55.7%
  • 36.7%
PPI /points per inch/
  • 246 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for M900, XDA Atom Life.
SpecificationM900XDA Atom Life
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions
  • Dual-LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA videocall camera
  • VGA videocall camera
Performance
Performance — specifications for M900, XDA Atom Life.
SpecificationM900XDA Atom Life
Processor CPU
  • 533 MHz Samsung S3C 6410
  • Intel XScale PXA 270 620 MHz
General specs
General specs — specifications for M900, XDA Atom Life.
SpecificationM900XDA Atom Life
Release date
  • 2009
  • February
  • 2007
  • January
Colors
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 470 h Talking time- Up to 4 h
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for M900, XDA Atom Life.
SpecificationM900XDA Atom Life
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 7.2/2 Mbps
  • HSPA
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11b/g
GPS
  • Yes
  • SiRF Star III chipset
  • No
USB
  • miniUSB
  • miniUSB
Bluetooth
  • microUSB 2.0
  • A2DP
  • 1.2
Harmful irradiation
  • SAR - 0.43 W/kg (head) 0.92 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for M900, XDA Atom Life.
SpecificationM900XDA Atom Life
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others
  • Handwriting recognition
  • Handwriting recognition
Other features
Other features — specifications for M900, XDA Atom Life.
SpecificationM900XDA Atom Life
Dop
  • Sensors Fingerprint (front-mounted) Pocket Office -Voice memo -MP3 player -Predictive text input
  • Infrared port - Pocket Office -Voice memo -MP3/AAC player