LG C900 Optimus 7Q vs LG Harmony

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

    Harmony: 36.2 g lighter

    C900 Optimus 7Q:
    178 g
    Harmony:
    141.8 g
  • Width

    C900 Optimus 7Q: 16.7 mm narrower

    C900 Optimus 7Q:
    59.5 mm
    Harmony:
    76.2 mm
  • Screen diagonal

    C900 Optimus 7Q: 1.8 in smaller diagonal

    C900 Optimus 7Q:
    3.5 in
    Harmony:
    5.3 in
  • Chipset

    C900 Optimus 7Q:
    Qualcomm QSD8650 Snapdragon S1
    Harmony:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Depth

    Harmony: 7.6 mm thinner

    C900 Optimus 7Q:
    15.2 mm
    Harmony:
    7.6 mm
  • Height

    C900 Optimus 7Q: 30.4 mm shorter

    C900 Optimus 7Q:
    119.5 mm
    Harmony:
    149.9 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 +7.6 mm versus Harmony
  2. 2. Harmony

    Height:
    149.9 mm +30.4 mm versus C900 Optimus 7Q
    Width:
    76.2 mm +16.7 mm versus C900 Optimus 7Q
    Depth:
    7.6 mm

Weight

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

  1. 1. C900 Optimus 7Q

    178 g

    +36.2 g versus Harmony

  2. 2. Harmony

    141.8 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. Harmony

    Screen diagonal:
    5.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    77.4 cm²

Harmony has approximately 122.1% 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

Harmony: Original memory entry

16 GB · 1.5 GB 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. Harmony

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Harmony

    2800 mAh

    +1300 mAh versus C900 Optimus 7Q

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. Harmony

Everyday essentials
Everyday essentials — specifications for C900 Optimus 7Q, Harmony.
SpecificationC900 Optimus 7QHarmony
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 149.9 Х 76.2 Х 7.6 mm
Weight
  • 178 g
  • 141.8 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.3" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 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
  • 1.5 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2800 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Android 7.0 (Nougat)
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C900 Optimus 7Q, Harmony.
SpecificationC900 Optimus 7QHarmony
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 77.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.0%
  • 67.8%
PPI /points per inch/
  • 267 PPI
  • 277 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for C900 Optimus 7Q, Harmony.
SpecificationC900 Optimus 7QHarmony
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
Performance
Performance — specifications for C900 Optimus 7Q, Harmony.
SpecificationC900 Optimus 7QHarmony
Processor CPU
  • 1.0 GHz Scorpion
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 200
  • Adreno 308
General specs
General specs — specifications for C900 Optimus 7Q, Harmony.
SpecificationC900 Optimus 7QHarmony
Release date
  • 2010
  • October
  • 2017
  • April
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 90 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 7 h
  • Stand by time- Up to 350 h (3G) Talking time- Up to 14 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for C900 Optimus 7Q, Harmony.
SpecificationC900 Optimus 7QHarmony
SIM card
  • Mini-SIM
  • Nano-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 1700(AWS) / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 12(700)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.2
  • A2DP
  • LE
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, Harmony.
SpecificationC900 Optimus 7QHarmony
Radio
  • Stereo FM radio
  • Yes
Other features
Other features — specifications for C900 Optimus 7Q, Harmony.
SpecificationC900 Optimus 7QHarmony
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 - For Cricket Wireless