Celkon A64 vs O2 XDA Star

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 Star: 5.6 g lighter

    A64:
    125.6 g
    XDA Star:
    120 g
  • Width

    XDA Star: 10 mm narrower

    A64:
    65 mm
    XDA Star:
    55 mm
  • Screen diagonal

    XDA Star: 1.4 in smaller diagonal

    A64:
    4 in
    XDA Star:
    2.6 in
  • Depth

    A64: 5.3 mm thinner

    A64:
    10.5 mm
    XDA Star:
    15.8 mm
  • Height

    XDA Star: 17 mm shorter

    A64:
    124 mm
    XDA Star:
    107 mm
  • Release year

    A64:
    2014
    XDA Star:
    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. A64

    Height:
    124 mm +17 mm versus XDA Star
    Width:
    65 mm +10 mm versus XDA Star
    Depth:
    10.5 mm
  2. 2. XDA Star

    Height:
    107 mm
    Width:
    55 mm
    Depth:
    15.8 mm +5.3 mm versus A64

Weight

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

  1. 1. A64

    125.6 g

    +5.6 g versus XDA Star

  2. 2. XDA Star

    120 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. A64

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

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

A64 has approximately 127.6% more rectangular screen area than XDA Star.

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 Star: Original memory entry

96 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. A64

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

2. XDA Star

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD

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

    +280 mAh versus XDA Star

  2. 2. XDA Star

    1120 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. A642. XDA Star

Everyday essentials
Everyday essentials — specifications for A64, XDA Star.
SpecificationA64XDA Star
Dimensions (HxWxD)
  • 124 Х 65 Х 10.5 mm
  • 107 Х 55 Х 15.8 mm
Weight
  • 125.6 g
  • 120 g
Technology
  • TFT
  • TFT
Screen size
  • 4" inch
  • 2.6" 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
  • 96 MB RAM
  • 128 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1120 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2.2 (Jelly Bean)
  • Microsoft Windows Mobile 6.0 Professional
Chipset Unknown
  • Qualcomm MSM7200
Headphone jack
  • Yes
  • No
Display
Display — specifications for A64, XDA Star.
SpecificationA64XDA Star
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors Unknown
  • 65K
Screen area
  • 47.6 cm2
  • 20.9 cm2
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 59.1%
  • 35.6%
PPI /points per inch/
  • 144 PPI
  • 154 PPI
Camera and Video
Camera and Video — specifications for A64, XDA Star.
SpecificationA64XDA Star
Rear camera, main
  • 2 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 2 MP
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • CIF videocall camera
Performance
Performance — specifications for A64, XDA Star.
SpecificationA64XDA Star
Processor CPU
  • Dual-core 1.2 GHz
  • 400 MHz ARM 11
Graphics processor GPU Unknown
  • Adreno 130
General specs
General specs — specifications for A64, XDA Star.
SpecificationA64XDA Star
Release date
  • 2014
  • 2007
  • October
Colors
  • White
  • Black
  • Black
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 8 h 20 min
  • Stand by time- Up to 250 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for A64, XDA Star.
SpecificationA64XDA Star
SIM card
  • Dual SIM
  • Mini-SIM
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed Unknown
  • HSPA 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • No
USB
  • microUSB
  • miniUSB
Bluetooth
  • 2.0
  • 2.0
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 Star.
SpecificationA64XDA Star
Radio
  • FM radio
  • No
Others Unknown
  • TouchFLO finger swipe navigation -Handwriting recognition
Other features
Other features — specifications for A64, XDA Star.
SpecificationA64XDA Star
Dop
  • Sensors Accelerometer
  • Pocket Office -Voice memo -MP3/AAC player HTC Nike platform