Motorola A728 vs Motorola EM30

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

    EM30: 20 g lighter

    A728:
    120 g
    EM30:
    100 g
  • Depth

    EM30: 10.4 mm thinner

    A728:
    21 mm
    EM30:
    10.6 mm
  • Height

    A728: 14 mm shorter

    A728:
    101 mm
    EM30:
    115 mm
  • Release year

    A728:
    2005
    EM30:
    2008

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. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +10.4 mm versus EM30
  2. 2. EM30

    Height:
    115 mm +14 mm versus A728
    Width:
    53 mm
    Depth:
    10.6 mm

Weight

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

  1. 1. A728

    120 g

    +20 g versus EM30

  2. 2. EM30

    100 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. A728

    A728: Screen geometry unavailable or conflicting.

  2. 2. EM30

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

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.

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. A728

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

2. EM30

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 8 GB (dedicated slot)

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. A7282. EM30

Everyday essentials
Everyday essentials — specifications for A728, EM30.
SpecificationA728EM30
Dimensions (HxWxD)
  • 101 Х 53 Х 21 mm
  • 115 Х 53 Х 10.6 mm
Weight
  • 120 g
  • 100 g
Technology
  • TFT
  • TFT
Screen size
  • 0" inch
  • 2" inch
Screen resolution
  • 240 x 320 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 MB
Unknown
Memory card support
  • No
  • microSD
  • up to 8 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 970 mAh
  • Removable Li-Ion
Operating system OS
  • Linux
  • Linux / Java-based MOTOMAGX
Headphone jack
  • No
  • Yes
Display
Display — specifications for A728, EM30.
SpecificationA728EM30
Touchscreen
  • resistive touchscreen
Unknown
Display colors
  • 65K
  • 256K
Screen area Unknown
  • 12.4 cm2
Screen format
  • 4:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio Unknown
  • 20.3%
PPI /points per inch/
  • 0 PPI
  • 200 PPI
Camera and Video
Camera and Video — specifications for A728, EM30.
SpecificationA728EM30
Rear camera, main
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Camera specs Unknown
  • 2 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
General specs
General specs — specifications for A728, EM30.
SpecificationA728EM30
Release date
  • 2005
  • July
  • 2008
  • August
Colors
  • Mr. black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 60 EUR
Battery life Unknown
  • Stand by time- Up to 300 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for A728, EM30.
SpecificationA728EM30
SIM card
  • Mini-SIM
  • Mini-SIM
GPRS
  • Class 8
  • Class 12
Edge
  • No
  • Class 12
Wi-Fi
  • No
  • No
GPS
  • No
  • No
USB
  • Proprietary
  • 2.0
Bluetooth
  • Yes
  • 2.0
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.60 W/kg (head) 0.71 W/kg (body) SAR EU - 0.79 W/kg (head)
Music and Audio
Music and Audio — specifications for A728, EM30.
SpecificationA728EM30
Radio
  • No
  • Stereo FM radio
  • RDS
Others
  • Handwriting and speech recognition (Chi & Eng)
  • Screensavers and wallpapers -Downloadable logos
Other features
Other features — specifications for A728, EM30.
SpecificationA728EM30
Dop
  • Infrared port - MP3 player -Organizer -Voice dial/memo
  • MP3/AAC player -Organizer -Voice dial -Voice memo