Celkon A9 Dual vs O2 XDA Atom Exec

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

    A9 Dual: 24 g lighter

    A9 Dual:
    116 g
    XDA Atom Exec:
    140 g
  • Width

    XDA Atom Exec: 5.9 mm narrower

    A9 Dual:
    63.9 mm
    XDA Atom Exec:
    58 mm
  • Screen diagonal

    XDA Atom Exec: 0.8 in smaller diagonal

    A9 Dual:
    3.5 in
    XDA Atom Exec:
    2.7 in
  • Depth

    A9 Dual: 7.9 mm thinner

    A9 Dual:
    10.6 mm
    XDA Atom Exec:
    18.5 mm
  • Height

    XDA Atom Exec: 18.5 mm shorter

    A9 Dual:
    120.5 mm
    XDA Atom Exec:
    102 mm
  • Release year

    A9 Dual:
    2014
    XDA Atom Exec:
    2006

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. A9 Dual

    Height:
    120.5 mm +18.5 mm versus XDA Atom Exec
    Width:
    63.9 mm +5.9 mm versus XDA Atom Exec
    Depth:
    10.6 mm
  2. 2. XDA Atom Exec

    Height:
    102 mm
    Width:
    58 mm
    Depth:
    18.5 mm +7.9 mm versus A9 Dual

Weight

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

  1. 1. A9 Dual

    116 g

  2. 2. XDA Atom Exec

    140 g

    +24 g versus A9 Dual

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. A9 Dual

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. XDA Atom Exec

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

A9 Dual has approximately 61.6% more rectangular screen area than XDA Atom Exec.

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.

A9 Dual: Original memory entry

512 MB · 256 MB RAM

XDA Atom Exec: Original memory entry

64 MB RAM · 192 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. A9 Dual

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

2. XDA Atom Exec

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. A9 Dual

    1350 mAh

  2. 2. XDA Atom Exec

    1530 mAh

    +180 mAh versus A9 Dual

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. A9 Dual2. XDA Atom Exec

Everyday essentials
Everyday essentials — specifications for A9 Dual, XDA Atom Exec.
SpecificationA9 DualXDA Atom Exec
Dimensions (HxWxD)
  • 120.5 Х 63.9 Х 10.6 mm
  • 102 Х 58 Х 18.5 mm
Weight
  • 116 g
  • 140 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.7" inch
Screen resolution
  • 320 x 480 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64 MB RAM
  • 192 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1350 mAh
  • Li-Ion
  • 1530 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Microsoft Windows Mobile 5.0 PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for A9 Dual, XDA Atom Exec.
SpecificationA9 DualXDA Atom Exec
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Screen area
  • 36.5 cm2
  • 22.6 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 47.4%
  • 38.2%
PPI /points per inch/
  • 165 PPI
  • 148 PPI
Camera and Video
Camera and Video — specifications for A9 Dual, XDA Atom Exec.
SpecificationA9 DualXDA Atom Exec
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A9 Dual, XDA Atom Exec.
SpecificationA9 DualXDA Atom Exec
Processor CPU
  • Dual-core 1.0 GHz
  • Intel XScale PXA 27x 520MHz
General specs
General specs — specifications for A9 Dual, XDA Atom Exec.
SpecificationA9 DualXDA Atom Exec
Release date
  • 2014
  • 2006
  • June
Colors
  • White
  • Black
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 310 EUR
Battery life
  • Stand by time- Up to 240 h Talking time- Up to 3 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A9 Dual, XDA Atom Exec.
SpecificationA9 DualXDA Atom Exec
SIM card
  • Dual SIM
  • Mini-SIM
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 2.0
  • 1.2
Harmful irradiation
  • SAR EU - 0.61 W/kg (head) 0.69 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A9 Dual, XDA Atom Exec.
SpecificationA9 DualXDA Atom Exec
Radio
  • FM radio
  • FM radio
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for A9 Dual, XDA Atom Exec.
SpecificationA9 DualXDA Atom Exec
Dop
  • Sensors Accelerometer
  • Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player