Celkon A64 vs O2 XDA IIs

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

    A64: 84.4 g lighter

    A64:
    125.6 g
    XDA IIs:
    210 g
  • Width

    A64: 6 mm narrower

    A64:
    65 mm
    XDA IIs:
    71 mm
  • Screen diagonal

    XDA IIs: 0.5 in smaller diagonal

    A64:
    4 in
    XDA IIs:
    3.5 in
  • Depth

    A64: 8.5 mm thinner

    A64:
    10.5 mm
    XDA IIs:
    19 mm
  • Release year

    A64:
    2014
    XDA IIs:
    2004

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. A64

    Height:
    124 mm
    Width:
    65 mm
    Depth:
    10.5 mm
  2. 2. XDA IIs

    Height:
    125 mm
    Width:
    71 mm +6 mm versus A64
    Depth:
    19 mm +8.5 mm versus A64

Weight

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

  1. 1. A64

    125.6 g

  2. 2. XDA IIs

    210 g

    +84.4 g versus A64

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. A64

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²
  2. 2. XDA IIs

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

A64 has approximately 25.6% more rectangular screen area than XDA IIs.

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.

A64: Original memory entry

512 MB · 256 MB RAM

XDA IIs: Original memory entry

128 MB RAM · 96 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. A64

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

2. XDA IIs

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details MMC/SDIO

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. A64

    1400 mAh

  2. 2. XDA IIs

    1490 mAh

    +90 mAh versus A64

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. A642. XDA IIs

Everyday essentials
Everyday essentials — specifications for A64, XDA IIs.
SpecificationA64XDA IIs
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 125 Х 71 Х 19 mm
Weight
  • 125.6 g
  • 210 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 3.5" 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
  • 128 MB RAM
  • 96 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • MMC/SDIO
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1490 mAh
  • Removable Li-Po
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Microsoft Windows Mobile 2003 SE PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for A64, XDA IIs.
SpecificationA64XDA IIs
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 65K
Screen area
  • 47.6 cm2
  • 37.9 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 59.1%
  • 42.7%
PPI /points per inch/
  • 144 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for A64, XDA IIs.
SpecificationA64XDA IIs
Rear camera, main
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 2 MP
Unknown
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for A64, XDA IIs.
SpecificationA64XDA IIs
Processor CPU
  • Dual-core 1.2 GHz
  • Intel XScale PXA263 400 MHz
General specs
General specs — specifications for A64, XDA IIs.
SpecificationA64XDA IIs
Release date
  • 2014
  • 2004
  • Q4
Colors
  • White
  • Black
Unknown
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 168 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for A64, XDA IIs.
SpecificationA64XDA IIs
SIM card
  • Dual SIM
  • Mini-SIM
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11b
GPS
  • Yes
  • No
USB
  • microUSB
  • Proprietary
Bluetooth
  • 2.0
  • Yes
Harmful irradiation
  • SAR EU - 0.42 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for A64, XDA IIs.
SpecificationA64XDA IIs
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for A64, XDA IIs.
SpecificationA64XDA IIs
Dop
  • Sensors Accelerometer
  • Infrared port - Pocket Office -MP3/MP4 player -Voice memo - Produced by HTC. Functionally identical to Qtek 9090
  • i-mate PDA2k
  • T-Mobile MDA III and Orange SPV M2000.