LG C900 Optimus 7Q 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

    Open C: 53 g lighter

    C900 Optimus 7Q:
    178 g
    Open C:
    125 g
  • Width

    C900 Optimus 7Q: 5.2 mm narrower

    C900 Optimus 7Q:
    59.5 mm
    Open C:
    64.7 mm
  • Screen diagonal

    C900 Optimus 7Q: 0.5 in smaller diagonal

    C900 Optimus 7Q:
    3.5 in
    Open C:
    4 in
  • Chipset

    C900 Optimus 7Q:
    Qualcomm QSD8650 Snapdragon S1
    Open C:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Open C: 4.4 mm thinner

    C900 Optimus 7Q:
    15.2 mm
    Open C:
    10.8 mm
  • Height

    C900 Optimus 7Q: 6.5 mm shorter

    C900 Optimus 7Q:
    119.5 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. C900 Optimus 7Q

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +4.4 mm versus Open C
  2. 2. Open C

    Height:
    126 mm +6.5 mm versus C900 Optimus 7Q
    Width:
    64.7 mm +5.2 mm versus C900 Optimus 7Q
    Depth:
    10.8 mm

Weight

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

  1. 1. C900 Optimus 7Q

    178 g

    +53 g versus Open C

  2. 2. Open C

    125 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. C900 Optimus 7Q

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 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 30.6% more rectangular screen area than C900 Optimus 7Q.

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.

C900 Optimus 7Q: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

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. C900 Optimus 7Q

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

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. C900 Optimus 7Q

    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. C900 Optimus 7Q2. Open C

Everyday essentials
Everyday essentials — specifications for C900 Optimus 7Q, Open C.
SpecificationC900 Optimus 7QOpen C
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 126 Х 64.7 Х 10.8 mm
Weight
  • 178 g
  • 125 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • 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 Phone 7
  • Firefox OS 1.3
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C900 Optimus 7Q, Open C.
SpecificationC900 Optimus 7QOpen C
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 34.9 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 49.0%
  • 55.9%
PPI /points per inch/
  • 267 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for C900 Optimus 7Q, Open C.
SpecificationC900 Optimus 7QOpen C
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • 352x288@15fps
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance

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

Performance — specifications for C900 Optimus 7Q, Open C.
SpecificationC900 Optimus 7QOpen C
Processor CPU
  • 1.0 GHz Scorpion
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 200
  • Adreno 302
Antutu 7 score * Unknown
  • 12154
General specs
General specs — specifications for C900 Optimus 7Q, Open C.
SpecificationC900 Optimus 7QOpen C
Release date
  • 2010
  • October
  • 2014
  • February
Colors
  • Black
  • Orange
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 7 h
  • Stand by time- Up to 150 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for C900 Optimus 7Q, Open C.
SpecificationC900 Optimus 7QOpen 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 7.2/0.384 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.1
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for C900 Optimus 7Q, Open C.
SpecificationC900 Optimus 7QOpen C
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for C900 Optimus 7Q, Open C.
SpecificationC900 Optimus 7QOpen C
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo -Predictive text input - Also known as LG Optimus Quantum
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input