BlackBerry 7730 vs Celkon A66

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

    A66: 44 g lighter

    7730:
    142 g
    A66:
    98 g
  • Width

    A66: 9.8 mm narrower

    7730:
    77 mm
    A66:
    67.2 mm
  • Screen diagonal

    7730: 1.5 in smaller diagonal

    7730:
    3 in
    A66:
    4.5 in
  • Depth

    A66: 7 mm thinner

    7730:
    18 mm
    A66:
    11 mm
  • Height

    7730: 15 mm shorter

    7730:
    121 mm
    A66:
    136 mm
  • Release year

    7730:
    2004
    A66:
    2014

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. 7730

    Height:
    121 mm
    Width:
    77 mm +9.8 mm versus A66
    Depth:
    18 mm +7 mm versus A66
  2. 2. A66

    Height:
    136 mm +15 mm versus 7730
    Width:
    67.2 mm
    Depth:
    11 mm

Weight

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

  1. 1. 7730

    142 g

    +44 g versus A66

  2. 2. A66

    98 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. 7730

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    29 cm²
  2. 2. A66

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

A66 has approximately 92.3% more rectangular screen area than 7730.

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.

7730: Original memory entry

16 MB · 2 MB RAM

A66: Original memory entry

4 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. 7730

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

2. A66

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. 77302. A66

Everyday essentials
Everyday essentials — specifications for 7730, A66.
Specification7730A66
Dimensions (HxWxD)
  • 121 Х 77 Х 18 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 142 g
  • 98 g
Technology Unknown
  • TFT
Screen size
  • 3" inch
  • 4.5" inch
Screen resolution
  • 240 x 240 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 MB
  • 2 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 2000 mAh
  • Li-Ion
Operating system OS
  • BlackBerry OS
  • Android 4.1.2 (Jelly Bean)
Headphone jack
  • No
  • Yes
Display
Display — specifications for 7730, A66.
Specification7730A66
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 29.0 cm2
  • 55.8 cm2
Screen format
  • 1:1 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 31.2%
  • 61.1%
PPI /points per inch/
  • 113 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for 7730, A66.
Specification7730A66
Rear camera, main
  • 0 MP,
  • 3.15 MP
  • Single
Camera specs Unknown
  • 3.15 MP
Functions Unknown
  • LED flash
Video Unknown
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for 7730, A66.
Specification7730A66
Processor CPU Unknown
  • Dual-core 1.2 GHz
General specs
General specs — specifications for 7730, A66.
Specification7730A66
Release date
  • 2004
  • Q1
  • 2014
Colors Unknown
  • White
  • Black
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for 7730, A66.
Specification7730A66
SIM card
  • Mini-SIM
  • Dual SIM
GPRS
  • Yes
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
USB
  • Proprietary
  • microUSB
Bluetooth
  • No
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Music and Audio
Music and Audio — specifications for 7730, A66.
Specification7730A66
Radio
  • No
  • FM radio
Other features
Other features — specifications for 7730, A66.
Specification7730A66
Dop
  • Organizer
  • Sensors Accelerometer
  • proximity