LG Optimus M 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: 33 g lighter

    Optimus M:
    153 g
    A728:
    120 g
  • Width

    A728: 3 mm narrower

    Optimus M:
    56 mm
    A728:
    53 mm
  • Depth

    Optimus M: 5 mm thinner

    Optimus M:
    16 mm
    A728:
    21 mm
  • Height

    A728: 15 mm shorter

    Optimus M:
    116 mm
    A728:
    101 mm
  • Release year

    Optimus M:
    2010
    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. Optimus M

    Height:
    116 mm +15 mm versus A728
    Width:
    56 mm +3 mm versus A728
    Depth:
    16 mm
  2. 2. A728

    Height:
    101 mm
    Width:
    53 mm
    Depth:
    21 mm +5 mm versus Optimus M

Weight

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

  1. 1. Optimus M

    153 g

    +33 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. Optimus M

    Screen diagonal:
    3.2 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    30.5 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.

Optimus M: Original memory entry

150 MB

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. Optimus M

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

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. Optimus M2. A728

Everyday essentials
Everyday essentials — specifications for Optimus M, A728.
SpecificationOptimus MA728
Dimensions (HxWxD)
  • 116 Х 56 Х 16 mm
  • 101 Х 53 Х 21 mm
Weight
  • 153 g
  • 120 g
Technology
  • TFT
  • TFT
Screen size
  • 3.2" inch
  • 0" 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.
  • 150 MB
  • 8 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 2.2 (Froyo)
  • Linux
Headphone jack
  • Yes
  • No
Display
Display — specifications for Optimus M, A728.
SpecificationOptimus MA728
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 30.5 cm2
Unknown
Screen format
  • 3:2 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 46.9%
Unknown
PPI /points per inch/
  • 180 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Optimus M, A728.
SpecificationOptimus MA728
Rear camera, main
  • 3.15 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
Unknown
Video
  • 480p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for Optimus M, A728.
SpecificationOptimus MA728
Processor CPU
  • 600 MHz
Unknown
General specs
General specs — specifications for Optimus M, A728.
SpecificationOptimus MA728
Release date
  • 2010
  • November
  • 2005
  • July
Colors
  • Gray
  • Mr. black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 60 EUR
Unknown
Battery life
  • Stand by time- Up to 337 h Talking time- Up to 7 h 30 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Optimus M, A728.
SpecificationOptimus MA728
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - CDMA 800 / 1900
Unknown
Speed
  • EV-DO Rev.0
  • 153.2 Kbps
Unknown
GPRS
  • No
  • Class 8
Edge
  • No
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB
  • Proprietary
Bluetooth
  • 2.1
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 1.26 W/kg (head) 0.48 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Optimus M, A728.
SpecificationOptimus MA728
Radio
  • No
  • No
Others Unknown
  • Handwriting and speech recognition (Chi & Eng)
Other features
Other features — specifications for Optimus M, A728.
SpecificationOptimus MA728
Dop
  • Sensors Accelerometer
  • proximity
  • compass - DivX/MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Document viewer -Organizer -Voice memo/dial/commands -Predictive text input - For MetroPCS
  • Infrared port - MP3 player -Organizer -Voice dial/memo