LG GM750 vs ZTE Open C

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

    GM750: 5 g lighter

    GM750:
    120 g
    Open C:
    125 g
  • Width

    GM750: 11.2 mm narrower

    GM750:
    53.5 mm
    Open C:
    64.7 mm
  • Screen diagonal

    GM750: 1 in smaller diagonal

    GM750:
    3 in
    Open C:
    4 in
  • Chipset

    GM750:
    Qualcomm MSM7201A
    Open C:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Open C: 2.1 mm thinner

    GM750:
    12.9 mm
    Open C:
    10.8 mm
  • Height

    GM750: 16.2 mm shorter

    GM750:
    109.8 mm
    Open C:
    126 mm

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. GM750

    Height:
    109.8 mm
    Width:
    53.5 mm
    Depth:
    12.9 mm +2.1 mm versus Open C
  2. 2. Open C

    Height:
    126 mm +16.2 mm versus GM750
    Width:
    64.7 mm +11.2 mm versus GM750
    Depth:
    10.8 mm

Weight

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

  1. 1. GM750

    120 g

  2. 2. Open C

    125 g

    +5 g versus GM750

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. GM750

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

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Open C has approximately 77.8% more rectangular screen area than GM750.

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.

GM750: Original memory entry

200 MB

Open C: 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. GM750

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. Open C

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

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. GM750

    1500 mAh

    +100 mAh versus Open C

  2. 2. Open C

    1400 mAh

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. GM7502. Open C

Everyday essentials
Everyday essentials — specifications for GM750, Open C.
SpecificationGM750Open C
Dimensions (HxWxD)
  • 109.8 Х 53.5 Х 12.9 mm
  • 126 Х 64.7 Х 10.8 mm
Weight
  • 120 g
  • 125 g
Technology
  • TFT
  • TFT
Screen size
  • 3" inch
  • 4" inch
Screen resolution
  • 240 x 400 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 200 MB
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.5 Professional
  • Firefox OS 1.3
Chipset
  • Qualcomm MSM7201A
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • No
  • Yes
Display
Display — specifications for GM750, Open C.
SpecificationGM750Open C
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 256K
Screen area
  • 25.6 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 43.6%
  • 55.9%
PPI /points per inch/
  • 155 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for GM750, Open C.
SpecificationGM750Open C
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 3.15 MP
Video
  • Yes
  • 352x288@15fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • Videocall camera
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for GM750, Open C.
SpecificationGM750Open C
Processor CPU
  • 528 MHz ARM 11
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 130
  • Adreno 302
Antutu 7 score * Unknown
  • 12154
General specs
General specs — specifications for GM750, Open C.
SpecificationGM750Open C
Release date
  • 2009
  • September
  • 2014
  • February
Colors
  • Black
  • Orange
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 290 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 450 h Talking time- Up to 6 h 20 min
  • Stand by time- Up to 150 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for GM750, Open C.
SpecificationGM750Open C
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/2 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Up to 42 kbps
  • Yes
Edge
  • Up to 384 kbps
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.1
Harmful irradiation
  • SAR - 1.36 W/kg (head) 1.06 W/kg (body) SAR EU - 1.16 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for GM750, Open C.
SpecificationGM750Open C
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for GM750, Open C.
SpecificationGM750Open C
Dop
  • MP4/H.264/WMV player -MP3/WAV/eAAC+/WMA player -Organizer -Pocket Office -Voice memo -Predictive text input For Vodafone
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input