LG C900 Optimus 7Q vs O2 XDA Star

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

    XDA Star: 58 g lighter

    C900 Optimus 7Q:
    178 g
    XDA Star:
    120 g
  • Width

    XDA Star: 4.5 mm narrower

    C900 Optimus 7Q:
    59.5 mm
    XDA Star:
    55 mm
  • Screen diagonal

    XDA Star: 0.9 in smaller diagonal

    C900 Optimus 7Q:
    3.5 in
    XDA Star:
    2.6 in
  • Chipset

    C900 Optimus 7Q:
    Qualcomm QSD8650 Snapdragon S1
    XDA Star:
    Qualcomm MSM7200
  • Depth

    C900 Optimus 7Q: 0.6 mm thinner

    C900 Optimus 7Q:
    15.2 mm
    XDA Star:
    15.8 mm
  • Height

    XDA Star: 12.5 mm shorter

    C900 Optimus 7Q:
    119.5 mm
    XDA Star:
    107 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 +12.5 mm versus XDA Star
    Width:
    59.5 mm +4.5 mm versus XDA Star
    Depth:
    15.2 mm
  2. 2. XDA Star

    Height:
    107 mm
    Width:
    55 mm
    Depth:
    15.8 mm +0.6 mm versus C900 Optimus 7Q

Weight

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

  1. 1. C900 Optimus 7Q

    178 g

    +58 g versus XDA Star

  2. 2. XDA Star

    120 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. XDA Star

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

C900 Optimus 7Q has approximately 66.6% more rectangular screen area than XDA Star.

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

XDA Star: Original memory entry

96 MB RAM · 128 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. XDA Star

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD

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

    +380 mAh versus XDA Star

  2. 2. XDA Star

    1120 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. XDA Star

Everyday essentials
Everyday essentials — specifications for C900 Optimus 7Q, XDA Star.
SpecificationC900 Optimus 7QXDA Star
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 107 Х 55 Х 15.8 mm
Weight
  • 178 g
  • 120 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.6" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 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
  • 96 MB RAM
  • 128 MB ROM
Memory card support
  • No
  • microSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1120 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Microsoft Windows Mobile 6.0 Professional
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm MSM7200
Headphone jack
  • Yes
  • No
Display
Display — specifications for C900 Optimus 7Q, XDA Star.
SpecificationC900 Optimus 7QXDA Star
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 34.9 cm2
  • 20.9 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 49.0%
  • 35.6%
PPI /points per inch/
  • 267 PPI
  • 154 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for C900 Optimus 7Q, XDA Star.
SpecificationC900 Optimus 7QXDA Star
Rear camera, main
  • 5 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 2 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • CIF videocall camera
Performance
Performance — specifications for C900 Optimus 7Q, XDA Star.
SpecificationC900 Optimus 7QXDA Star
Processor CPU
  • 1.0 GHz Scorpion
  • 400 MHz ARM 11
Graphics processor GPU
  • Adreno 200
  • Adreno 130
General specs
General specs — specifications for C900 Optimus 7Q, XDA Star.
SpecificationC900 Optimus 7QXDA Star
Release date
  • 2010
  • October
  • 2007
  • October
Colors
  • Black
  • Black
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 7 h
  • Stand by time- Up to 250 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for C900 Optimus 7Q, XDA Star.
SpecificationC900 Optimus 7QXDA Star
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 3.6/0.384 Mbps
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 2.1
  • A2DP
  • 2.0
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, XDA Star.
SpecificationC900 Optimus 7QXDA Star
Radio
  • Stereo FM radio
  • No
Others Unknown
  • TouchFLO finger swipe navigation -Handwriting recognition
Other features
Other features — specifications for C900 Optimus 7Q, XDA Star.
SpecificationC900 Optimus 7QXDA Star
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
  • Pocket Office -Voice memo -MP3/AAC player HTC Nike platform