LG C900 Optimus 7Q vs LG Quantum

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.

Not enough comparable data or meaningful differences for automatic highlights. Check the recorded specifications below.

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
  2. 2. Quantum

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm

Weight

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

  1. 1. C900 Optimus 7Q

    178 g

    +2 g versus Quantum

  2. 2. Quantum

    176 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. Quantum

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 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.

C900 Optimus 7Q: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

Quantum: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

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. Quantum

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

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

  2. 2. Quantum

    1500 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. Quantum

Everyday essentials
Everyday essentials — specifications for C900 Optimus 7Q, Quantum.
SpecificationC900 Optimus 7QQuantum
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 119.5 Х 59.5 Х 15.2 mm
Weight
  • 178 g
  • 176 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 3.5" 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
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Microsoft Windows Phone 7
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm QSD8650 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C900 Optimus 7Q, Quantum.
SpecificationC900 Optimus 7QQuantum
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 34.9 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 49.0%
  • 49.0%
PPI /points per inch/
  • 267 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for C900 Optimus 7Q, Quantum.
SpecificationC900 Optimus 7QQuantum
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • 720p
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for C900 Optimus 7Q, Quantum.
SpecificationC900 Optimus 7QQuantum
Processor CPU
  • 1.0 GHz Scorpion
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 200
  • Adreno 200
General specs
General specs — specifications for C900 Optimus 7Q, Quantum.
SpecificationC900 Optimus 7QQuantum
Release date
  • 2010
  • October
  • 2010
  • October
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 80 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 7 h
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for C900 Optimus 7Q, Quantum.
SpecificationC900 Optimus 7QQuantum
SIM card
  • Mini-SIM
  • Mini-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
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 b/g/n
  • DLNA
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Music and Audio
Music and Audio — specifications for C900 Optimus 7Q, Quantum.
SpecificationC900 Optimus 7QQuantum
Radio
  • Stereo FM radio
  • Stereo FM radio
Other features
Other features — specifications for C900 Optimus 7Q, Quantum.
SpecificationC900 Optimus 7QQuantum
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
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo/dial/command -Predictive text input - For AT&T