LG Optimus GJ E975W 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: 17.2 g lighter

    Optimus GJ E975W:
    141.2 g
    Centro:
    124 g
  • Width

    Centro: 15.4 mm narrower

    Optimus GJ E975W:
    68.9 mm
    Centro:
    53.5 mm
  • Screen diagonal

    Centro: 2.45 in smaller diagonal

    Optimus GJ E975W:
    4.7 in
    Centro:
    2.25 in
  • Depth

    Optimus GJ E975W: 9.2 mm thinner

    Optimus GJ E975W:
    9.4 mm
    Centro:
    18.6 mm
  • Height

    Centro: 29.7 mm shorter

    Optimus GJ E975W:
    136.9 mm
    Centro:
    107.2 mm
  • Release year

    Optimus GJ E975W:
    2013
    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. Optimus GJ E975W

    Height:
    136.9 mm +29.7 mm versus Centro
    Width:
    68.9 mm +15.4 mm versus Centro
    Depth:
    9.4 mm
  2. 2. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +9.2 mm versus Optimus GJ E975W

Weight

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

  1. 1. Optimus GJ E975W

    141.2 g

    +17.2 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. Optimus GJ E975W

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Centro

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

Optimus GJ E975W has approximately 272.9% 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.

Recorded RAM for Optimus GJ E975W, Centro, compared at the same storage capacity.
StorageOptimus GJ E975WCentro
16 GB 2 GB RAM Unknown
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. Optimus GJ E975W

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB (dedicated slot)

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. Optimus GJ E975W

    2280 mAh

    +1130 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. Optimus GJ E975W2. Centro

Everyday essentials
Everyday essentials — specifications for Optimus GJ E975W, Centro.
SpecificationOptimus GJ E975WCentro
Dimensions (HxWxD)
  • 136.9 Х 68.9 Х 9.4 mm
  • 107.2 Х 53.5 Х 18.6 mm
Weight
  • 141.2 g
  • 124 g
Technology
  • True HD-IPS + LCD
  • TFT
Screen size
  • 4.7" inch
  • 2.25" inch
Screen resolution
  • 720 x 1280 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
  • 2 GB RAM
  • 64 MB
Memory card support
  • microSD
  • up to 64 GB (dedicated slot)
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2280 mAh
  • Removable Li-Ion
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • Palm OS 5.4.9
Chipset
  • Qualcomm APQ8064 Snapdragon S4 Pro
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Optimus GJ E975W, Centro.
SpecificationOptimus GJ E975WCentro
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 60.9 cm2
  • 16.3 cm2
Screen format
  • 16:9 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 64.6%
  • 28.5%
PPI /points per inch/
  • 312 PPI
  • 201 PPI
Camera and Video
Camera and Video — specifications for Optimus GJ E975W, Centro.
SpecificationOptimus GJ E975WCentro
Rear camera, main
  • 13 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance
Performance — specifications for Optimus GJ E975W, Centro.
SpecificationOptimus GJ E975WCentro
Processor CPU
  • Quad-core 1.5 GHz Krait
  • 32-bit Intel XScale PXA270 312 MHz
Graphics processor GPU
  • Adreno 320
Unknown
General specs
General specs — specifications for Optimus GJ E975W, Centro.
SpecificationOptimus GJ E975WCentro
Release date
  • 2013
  • May
  • 2008
  • February
Colors
  • Black
  • Red
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 270 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 515 h (2G) / Up to 596 h (3G) Talking time- Up to 23 h (2G) / Up to 15 h (3G)
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus GJ E975W, Centro.
SpecificationOptimus GJ E975WCentro
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Class 12
  • Class 10
Edge
  • Class 12
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0 (MHL TV-out)
  • USB Host
  • Proprietary
Bluetooth
  • 4.0
  • A2DP
  • 1.2
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for Optimus GJ E975W, Centro.
SpecificationOptimus GJ E975WCentro
Radio
  • No
  • No
Others
  • Active noise cancellation with dedicated mic
  • 5-way navigation button
Other features
Other features — specifications for Optimus GJ E975W, Centro.
SpecificationOptimus GJ E975WCentro
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - IPX7 certified -Water resistant up to 1 meter and 30 minutes
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo