LG C900 Optimus 7Q vs Plum Sync 4.0

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

    Sync 4.0: 81 g lighter

    C900 Optimus 7Q:
    178 g
    Sync 4.0:
    97 g
  • Width

    C900 Optimus 7Q: 4.1 mm narrower

    C900 Optimus 7Q:
    59.5 mm
    Sync 4.0:
    63.6 mm
  • Screen diagonal

    C900 Optimus 7Q: 0.5 in smaller diagonal

    C900 Optimus 7Q:
    3.5 in
    Sync 4.0:
    4 in
  • Chipset

    C900 Optimus 7Q:
    Qualcomm QSD8650 Snapdragon S1
    Sync 4.0:
    Mediatek MT6572M (28 nm)
  • Depth

    Sync 4.0: 5.4 mm thinner

    C900 Optimus 7Q:
    15.2 mm
    Sync 4.0:
    9.8 mm
  • Release year

    C900 Optimus 7Q:
    2010
    Sync 4.0:
    2014

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 +5.4 mm versus Sync 4.0
  2. 2. Sync 4.0

    Height:
    120.4 mm
    Width:
    63.6 mm +4.1 mm versus C900 Optimus 7Q
    Depth:
    9.8 mm

Weight

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

  1. 1. C900 Optimus 7Q

    178 g

    +81 g versus Sync 4.0

  2. 2. Sync 4.0

    97 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. Sync 4.0

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

Sync 4.0 has approximately 26.5% 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

Sync 4.0: Original memory entry

512 MB · 256 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. Sync 4.0

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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

    +300 mAh versus Sync 4.0

  2. 2. Sync 4.0

    1200 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. Sync 4.0

Everyday essentials
Everyday essentials — specifications for C900 Optimus 7Q, Sync 4.0.
SpecificationC900 Optimus 7QSync 4.0
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 120.4 Х 63.6 Х 9.8 mm
Weight
  • 178 g
  • 97 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 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
  • 512 MB
  • 256 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Android 4.4 (KitKat)
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for C900 Optimus 7Q, Sync 4.0.
SpecificationC900 Optimus 7QSync 4.0
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 44.1 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.0%
  • 57.6%
PPI /points per inch/
  • 267 PPI
  • 245 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for C900 Optimus 7Q, Sync 4.0.
SpecificationC900 Optimus 7QSync 4.0
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • Face detection
Video
  • 720p
  • 720p@30fps
Front camera, selfie
  • 0 MP,
  • 1.3 MP
  • Single
Specifications Unknown
  • 1.3 MP
Performance

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

Performance — specifications for C900 Optimus 7Q, Sync 4.0.
SpecificationC900 Optimus 7QSync 4.0
Processor CPU
  • 1.0 GHz Scorpion
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 200
  • Mali-400
Antutu 7 score * Unknown
  • 5527
General specs
General specs — specifications for C900 Optimus 7Q, Sync 4.0.
SpecificationC900 Optimus 7QSync 4.0
Release date
  • 2010
  • October
  • 2014
  • May
Colors
  • Black
  • Black
  • White
  • Red
  • Blue
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 7 h
  • Stand by time- Up to 760 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for C900 Optimus 7Q, Sync 4.0.
SpecificationC900 Optimus 7QSync 4.0
SIM card
  • Mini-SIM
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 7.2/0.384 Mbps
Unknown
GPRS
  • Class 10
  • Class 12
Edge
  • Class 10
  • Class 12
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
  • 4.0
  • A2DP
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, Sync 4.0.
SpecificationC900 Optimus 7QSync 4.0
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for C900 Optimus 7Q, Sync 4.0.
SpecificationC900 Optimus 7QSync 4.0
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
  • gyro
  • proximity - Also known as Plum Sync 4.0 X400