BlackBerry 7730 vs Motorola A728

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    A728: 22 g lighter

    7730:
    142 g
    A728:
    120 g
  • Width

    A728: 24 mm narrower

    7730:
    77 mm
    A728:
    53 mm
  • Depth

    7730: 3 mm thinner

    7730:
    18 mm
    A728:
    21 mm
  • Height

    A728: 20 mm shorter

    7730:
    121 mm
    A728:
    101 mm
  • Release year

    7730:
    2004
    A728:
    2005

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 +20 mm versus A728
    Width:
    77 mm +24 mm versus A728
    Depth:
    18 mm
  2. 2. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +3 mm versus 7730

Weight

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

  1. 1. 7730

    142 g

    +22 g versus A728

  2. 2. A728

    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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. 7730

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    29 cm²
  2. 2. A728

    A728: Screen geometry unavailable or conflicting.

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

A728: Original memory entry

8 MB

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. A728

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

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. A728

Everyday essentials
Everyday essentials — specifications for 7730, A728.
Specification7730A728
Dimensions (HxWxD)
  • 121 Х 77 Х 18 mm
  • 101 Х 53 Х 21 mm
Weight
  • 142 g
  • 120 g
Technology Unknown
  • TFT
Screen size
  • 3" inch
  • 0" inch
Screen resolution
  • 240 x 240 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 MB
  • 2 MB RAM
  • 8 MB
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 0 mAh,
Operating system OS
  • BlackBerry OS
  • Linux
Headphone jack
  • No
  • No
Display
Display — specifications for 7730, A728.
Specification7730A728
Touchscreen Unknown
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 29.0 cm2
Unknown
Screen format
  • 1:1 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 31.2%
Unknown
PPI /points per inch/
  • 113 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for 7730, A728.
Specification7730A728
Rear camera, main
  • 0 MP,
  • 0.3 MP
  • Single
Video Unknown
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
General specs
General specs — specifications for 7730, A728.
Specification7730A728
Release date
  • 2004
  • Q1
  • 2005
  • July
Colors Unknown
  • Mr. black
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 5 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 7730, A728.
Specification7730A728
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Yes
  • Class 8
Edge
  • No
  • No
Wi-Fi
  • No
  • No
GPS
  • No
  • No
USB
  • Proprietary
  • Proprietary
Bluetooth
  • No
  • Yes
Music and Audio
Music and Audio — specifications for 7730, A728.
Specification7730A728
Radio
  • No
  • No
Others Unknown
  • Handwriting and speech recognition (Chi & Eng)
Other features
Other features — specifications for 7730, A728.
Specification7730A728
Dop
  • Organizer
  • Infrared port - MP3 player -Organizer -Voice dial/memo