LG Optimus G E975 vs LG Quantum

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

    Optimus G E975: 31 g lighter

    Optimus G E975:
    145 g
    Quantum:
    176 g
  • Width

    Quantum: 9.4 mm narrower

    Optimus G E975:
    68.9 mm
    Quantum:
    59.5 mm
  • Screen diagonal

    Quantum: 1.2 in smaller diagonal

    Optimus G E975:
    4.7 in
    Quantum:
    3.5 in
  • Chipset

    Optimus G E975:
    Qualcomm APQ8064 Snapdragon S4 Pro
    Quantum:
    Qualcomm QSD8650 Snapdragon S1
  • Depth

    Optimus G E975: 6.7 mm thinner

    Optimus G E975:
    8.5 mm
    Quantum:
    15.2 mm
  • Height

    Quantum: 12.4 mm shorter

    Optimus G E975:
    131.9 mm
    Quantum:
    119.5 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. Optimus G E975

    Height:
    131.9 mm +12.4 mm versus Quantum
    Width:
    68.9 mm +9.4 mm versus Quantum
    Depth:
    8.5 mm
  2. 2. Quantum

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +6.7 mm versus Optimus G E975

Weight

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

  1. 1. Optimus G E975

    145 g

  2. 2. Quantum

    176 g

    +31 g versus Optimus G E975

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 G E975

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    62.9 cm²
  2. 2. Quantum

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²

Optimus G E975 has approximately 80.3% more rectangular screen area than Quantum.

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.

Optimus G E975: Original memory entry

32 GB (25 GB user available) · 2 GB RAM

Quantum: Original memory entry

16 GB · 512 MB RAM · 512 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. Optimus G E975

NFC:
Yes
Headphone jack:
Yes
Memory card support:
No

2. Quantum

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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 G E975

    2100 mAh

    +600 mAh versus Quantum

  2. 2. Quantum

    1500 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 G E9752. Quantum

Everyday essentials
Everyday essentials — specifications for Optimus G E975, Quantum.
SpecificationOptimus G E975Quantum
Dimensions (HxWxD)
  • 131.9 Х 68.9 Х 8.5 mm
  • 119.5 Х 59.5 Х 15.2 mm
Weight
  • 145 g
  • 176 g
Technology
  • True HD-IPS + LCD
  • TFT
Screen size
  • 4.7" inch
  • 3.5" inch
Screen resolution
  • 768 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB (25 GB user available)
  • 2 GB RAM
  • 16 GB
  • 512 MB RAM
  • 512 MB ROM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2100 mAh
  • Non-removable Li-Po
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1.2 (Jelly Bean)
  • upgradаble to 4.4.2 (KitKat)
  • Microsoft Windows Phone 7
Chipset
  • Qualcomm APQ8064 Snapdragon S4 Pro
  • Qualcomm QSD8650 Snapdragon S1
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Optimus G E975, Quantum.
SpecificationOptimus G E975Quantum
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 62.9 cm2
  • 34.9 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 69.2%
  • 49.0%
PPI /points per inch/
  • 318 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass 2
Unknown
Camera and Video
Camera and Video — specifications for Optimus G E975, Quantum.
SpecificationOptimus G E975Quantum
Rear camera, main
  • 13 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 13 MP/8 MP
  • market dependent
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance

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

Performance — specifications for Optimus G E975, Quantum.
SpecificationOptimus G E975Quantum
Processor CPU
  • Quad-core 1.5 GHz Krait
  • 1.0 GHz Scorpion
Graphics processor GPU
  • Adreno 320
  • Adreno 200
Antutu 7 score *
  • 17653
Unknown
General specs
General specs — specifications for Optimus G E975, Quantum.
SpecificationOptimus G E975Quantum
Release date
  • 2012
  • August
  • 2010
  • October
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
  • 80 EUR
Battery life
  • Stand by time- Up to 456 h (2G) / Up to 411 h (3G) Talking time- Up to 15 h (2G) / Up to 13 h (3G)
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for Optimus G E975, Quantum.
SpecificationOptimus G E975Quantum
SIM card
  • Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - E975
  • E973
  • E971 -3G - HSDPA 900 / 2100 - E975 HSDPA 850 / 1900 / 2100 - E973
  • E971 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - E975 (market dependent) LTE band 4(1700/2100)
  • 17(700) - E973 LTE band 7(2600)
  • 17(700) - E971
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat3 100/50 Mbps
  • HSPA
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
  • Wi-Fi 802.11 b/g/n
  • DLNA
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0 (MHL TV-out)
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 0.58 W/kg (head) 1.08 W/kg (body) SAR EU - 0.43 W/kg (head) 0.40 W/kg (body)
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Music and Audio
Music and Audio — specifications for Optimus G E975, Quantum.
SpecificationOptimus G E975Quantum
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
Others
  • Dolby Mobile -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Optimus G E975, Quantum.
SpecificationOptimus G E975Quantum
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - MP4/H.264/WMV/DviX player -MP3/WMA/WAV/FLAC/eAAC+ player -Photo viewer/editor -Document viewer/editor -Organizer -Voice memo/dial/commands -Predictive text input - Also known as LG Optimus G E973
  • LG Optimus G E971
  • LG-F180
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo/dial/command -Predictive text input - For AT&T