LG Quantum vs Samsung Z

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

    Z: 40 g lighter

    Quantum:
    176 g
    Z:
    136 g
  • Width

    Quantum: 10.3 mm narrower

    Quantum:
    59.5 mm
    Z:
    69.8 mm
  • Screen diagonal

    Quantum: 1.3 in smaller diagonal

    Quantum:
    3.5 in
    Z:
    4.8 in
  • Depth

    Z: 6.7 mm thinner

    Quantum:
    15.2 mm
    Z:
    8.5 mm
  • Height

    Quantum: 18.7 mm shorter

    Quantum:
    119.5 mm
    Z:
    138.2 mm
  • Release year

    Quantum:
    2010
    Z:
    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. Quantum

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +6.7 mm versus Z
  2. 2. Z

    Height:
    138.2 mm +18.7 mm versus Quantum
    Width:
    69.8 mm +10.3 mm versus Quantum
    Depth:
    8.5 mm

Weight

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

  1. 1. Quantum

    176 g

    +40 g versus Z

  2. 2. Z

    136 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. Quantum

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

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

Z has approximately 82.2% 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.

Recorded RAM for Quantum, Z, compared at the same storage capacity.
StorageQuantumZ
16 GB Unknown 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. Quantum

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

2. Z

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 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. Quantum

    1500 mAh

  2. 2. Z

    2600 mAh

    +1100 mAh versus Quantum

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. Quantum2. Z

Everyday essentials
Everyday essentials — specifications for Quantum, Z.
SpecificationQuantumZ
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 138.2 Х 69.8 Х 8.5 mm
Weight
  • 176 g
  • 136 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 4.8" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1280 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
  • 16 GB
  • 2 GB RAM
Memory card support
  • No
  • microSD
  • up to 64 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 2600 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Tizen 2.2.1
Chipset
  • Qualcomm QSD8650 Snapdragon S1
Unknown
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, Z.
SpecificationQuantumZ
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 63.5 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.0%
  • 65.8%
PPI /points per inch/
  • 267 PPI
  • 306 PPI
Camera and Video
Camera and Video — specifications for Quantum, Z.
SpecificationQuantumZ
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p
  • Yes
Front camera, selfie
  • 0 MP,
  • 2.1 MP
  • Single
Specifications Unknown
  • 2.1 MP
Performance

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

Performance — specifications for Quantum, Z.
SpecificationQuantumZ
Processor CPU
  • 1.0 GHz Scorpion
  • Quad-core 2.3 GHz
Graphics processor GPU
  • Adreno 200
Unknown
Antutu 7 score * Unknown
  • 38154
General specs
General specs — specifications for Quantum, Z.
SpecificationQuantumZ
Release date
  • 2010
  • October
  • 2014
  • June
Colors
  • Black
  • Black
  • Black/Brown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, Z.
SpecificationQuantumZ
SIM card
  • Mini-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA -4G - LTE
Speed
  • HSPA
  • HSPA
  • LTE Cat4 150/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
  • EDR
  • LE
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
  • SAR - 0.96 W/kg (head) 1.33 W/kg (body) SAR EU - 0.73 W/kg (head) 0.30 W/kg (body)
Music and Audio
Music and Audio — specifications for Quantum, Z.
SpecificationQuantumZ
Radio
  • Stereo FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, Z.
SpecificationQuantumZ
Dop
  • 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
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • heart rate
  • Infrared port - SNS integration -MP4/WMV/H.264 player -MP3/WAV/eAAC+/WMA/FLAC player -Organizer -Photo viewer -Document viewer -Voice memo/dial -Predictive text input - Also known as Samsung Z Z910F