LG GM730 Eigen vs LG Optimus Z

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.

  • Screen diagonal

    GM730 Eigen: 0.5 in smaller diagonal

    GM730 Eigen:
    3 in
    Optimus Z:
    3.5 in
  • Chipset

    GM730 Eigen:
    Qualcomm MSM7201A
    Optimus Z:
    Qualcomm QSD8250 Snapdragon S1
  • Depth

    Optimus Z: 0.9 mm thinner

    GM730 Eigen:
    11.9 mm
    Optimus Z:
    11 mm
  • Height

    GM730 Eigen: 8.1 mm shorter

    GM730 Eigen:
    109.8 mm
    Optimus Z:
    117.9 mm
  • Release year

    GM730 Eigen:
    2009
    Optimus Z:
    2010

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. GM730 Eigen

    Height:
    109.8 mm
    Width:
    56.5 mm
    Depth:
    11.9 mm +0.9 mm versus Optimus Z
    Weight:
    Unknown
  2. 2. Optimus Z

    Height:
    117.9 mm +8.1 mm versus GM730 Eigen
    Width:
    56.9 mm
    Depth:
    11 mm
    Weight:
    135 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. GM730 Eigen

    Screen diagonal:
    3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    25.6 cm²
  2. 2. Optimus Z

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

Optimus Z has approximately 48.1% more rectangular screen area than GM730 Eigen.

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.

Practical features

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

1. GM730 Eigen

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. Optimus Z

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 4 GB included

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. GM730 Eigen

    1000 mAh

  2. 2. Optimus Z

    1350 mAh

    +350 mAh versus GM730 Eigen

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. GM730 Eigen2. Optimus Z

Everyday essentials
Everyday essentials — specifications for GM730 Eigen, Optimus Z.
SpecificationGM730 EigenOptimus Z
Dimensions (HxWxD)
  • 109.8 Х 56.5 Х 11.9 mm
  • 117.9 Х 56.9 Х 11 mm
Weight
  • 0 g
  • 135 g
Technology
  • TFT
  • TFT
Screen size
  • 3" inch
  • 3.5" inch
Screen resolution
  • 240 x 400 px
  • 480 x 640 px
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 4 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1000 mAh
  • Removable Li-Ion
  • 1350 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
Chipset
  • Qualcomm MSM7201A
  • Qualcomm QSD8250 Snapdragon S1
Headphone jack
  • No
  • Yes
Display
Display — specifications for GM730 Eigen, Optimus Z.
SpecificationGM730 EigenOptimus Z
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 256K
Screen area
  • 25.6 cm2
  • 37.9 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 41.3%
  • 56.5%
PPI /points per inch/
  • 155 PPI
  • 229 PPI
Screen protection Unknown
  • Corning Gorilla Glass
Camera and Video
Camera and Video — specifications for GM730 Eigen, Optimus Z.
SpecificationGM730 EigenOptimus Z
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • AF
Functions
  • Schneider-Kreuznach optics
Unknown
Video
  • Yes
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • Videocall camera
Unknown
Performance
Performance — specifications for GM730 Eigen, Optimus Z.
SpecificationGM730 EigenOptimus Z
Processor CPU
  • 528 MHz ARM 11
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 130
  • Adreno 200
General specs
General specs — specifications for GM730 Eigen, Optimus Z.
SpecificationGM730 EigenOptimus Z
Release date
  • 2009
  • February
  • 2010
  • April
Colors
  • Black
  • Black
  • White
  • Pink
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 110 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 4 h 10 min
Communication and Connectivity
Communication and Connectivity — specifications for GM730 Eigen, Optimus Z.
SpecificationGM730 EigenOptimus Z
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g
  • DLNA
  • hotspot (Android 2.2)
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • Yes
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 1.14 W/kg (head) 0.63 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for GM730 Eigen, Optimus Z.
SpecificationGM730 EigenOptimus Z
Radio
  • FM radio
  • No
Others Unknown
  • Dolby Mobile
Other features
Other features — specifications for GM730 Eigen, Optimus Z.
SpecificationGM730 EigenOptimus Z
Dop
  • Internet Explorer 6.0 -MP4/H.264 player -MP3/AAC/AAC+/WMA player -Organizer -Pocket Office -Voice memo -Predictive text input
  • Sensors Accelerometer
  • proximity
  • compass - On-screen-phone function -Drag & Shake file sharing -TV Tuner (T-DMB) -HDMI port -MP3/WMA/AAC player -DivX/MP4/H.263 player -Organizer -Document viewer -Voice memo -Predictive text input - For South Korea Also known as LG KU9500
  • LG SU950