LG C900 Optimus 7Q vs Palm Centro

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

    Centro: 54 g lighter

    C900 Optimus 7Q:
    178 g
    Centro:
    124 g
  • Width

    Centro: 6 mm narrower

    C900 Optimus 7Q:
    59.5 mm
    Centro:
    53.5 mm
  • Screen diagonal

    Centro: 1.25 in smaller diagonal

    C900 Optimus 7Q:
    3.5 in
    Centro:
    2.25 in
  • Depth

    C900 Optimus 7Q: 3.4 mm thinner

    C900 Optimus 7Q:
    15.2 mm
    Centro:
    18.6 mm
  • Height

    Centro: 12.3 mm shorter

    C900 Optimus 7Q:
    119.5 mm
    Centro:
    107.2 mm
  • Release year

    C900 Optimus 7Q:
    2010
    Centro:
    2008

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 +12.3 mm versus Centro
    Width:
    59.5 mm +6 mm versus Centro
    Depth:
    15.2 mm
  2. 2. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +3.4 mm versus C900 Optimus 7Q

Weight

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

  1. 1. C900 Optimus 7Q

    178 g

    +54 g versus Centro

  2. 2. Centro

    124 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. Centro

    Screen diagonal:
    2.25 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    16.3 cm²

C900 Optimus 7Q has approximately 113.5% more rectangular screen area than Centro.

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

Centro: Original memory entry

64 MB

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. Centro

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 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

    +350 mAh versus Centro

  2. 2. Centro

    1150 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. Centro

Everyday essentials
Everyday essentials — specifications for C900 Optimus 7Q, Centro.
SpecificationC900 Optimus 7QCentro
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 107.2 Х 53.5 Х 18.6 mm
Weight
  • 178 g
  • 124 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 2.25" inch
Screen resolution
  • 480 x 800 px
  • 320 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
  • 64 MB
Memory card support
  • No
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Palm OS 5.4.9
Chipset
  • Qualcomm QSD8650 Snapdragon S1
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for C900 Optimus 7Q, Centro.
SpecificationC900 Optimus 7QCentro
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 34.9 cm2
  • 16.3 cm2
Screen format
  • 5:3 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 49.0%
  • 28.5%
PPI /points per inch/
  • 267 PPI
  • 201 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for C900 Optimus 7Q, Centro.
SpecificationC900 Optimus 7QCentro
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 720p
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Performance
Performance — specifications for C900 Optimus 7Q, Centro.
SpecificationC900 Optimus 7QCentro
Processor CPU
  • 1.0 GHz Scorpion
  • 32-bit Intel XScale PXA270 312 MHz
Graphics processor GPU
  • Adreno 200
Unknown
General specs
General specs — specifications for C900 Optimus 7Q, Centro.
SpecificationC900 Optimus 7QCentro
Release date
  • 2010
  • October
  • 2008
  • February
Colors
  • Black
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
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 300 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for C900 Optimus 7Q, Centro.
SpecificationC900 Optimus 7QCentro
SIM card
  • Mini-SIM
  • Mini-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 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 2.1
  • A2DP
  • 1.2
  • A2DP
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for C900 Optimus 7Q, Centro.
SpecificationC900 Optimus 7QCentro
Radio
  • Stereo FM radio
  • No
Others Unknown
  • 5-way navigation button
Other features
Other features — specifications for C900 Optimus 7Q, Centro.
SpecificationC900 Optimus 7QCentro
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
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo