LG Quantum vs LG X4+

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.

  • Width

    Quantum: 15.6 mm narrower

    Quantum:
    59.5 mm
    X4+:
    75.1 mm
  • Screen diagonal

    Quantum: 1.8 in smaller diagonal

    Quantum:
    3.5 in
    X4+:
    5.3 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    X4+:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Depth

    X4+: 6.6 mm thinner

    Quantum:
    15.2 mm
    X4+:
    8.6 mm
  • Height

    Quantum: 29.1 mm shorter

    Quantum:
    119.5 mm
    X4+:
    148.6 mm
  • Release year

    Quantum:
    2010
    X4+:
    2018

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 +6.6 mm versus X4+
  2. 2. X4+

    Height:
    148.6 mm +29.1 mm versus Quantum
    Width:
    75.1 mm +15.6 mm versus Quantum
    Depth:
    8.6 mm

Weight

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

  1. 1. Quantum

    176 g

    +3.7 g versus X4+

  2. 2. X4+

    172.3 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. X4+

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

X4+ has approximately 122.1% 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, X4+, compared at the same storage capacity.
StorageQuantumX4+
32 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. X4+

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB

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. X4+

    3000 mAh

    +1500 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. X4+

Everyday essentials
Everyday essentials — specifications for Quantum, X4+.
SpecificationQuantumX4+
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 148.6 Х 75.1 Х 8.6 mm
Weight
  • 176 g
  • 172.3 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.3" 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
  • 32 GB
  • 2 GB RAM
Memory card support
  • No
  • microSD
  • up to 512 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Android 7.0 (Nougat)
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, X4+.
SpecificationQuantumX4+
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 77.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.0%
  • 69.4%
PPI /points per inch/
  • 267 PPI
  • 277 PPI
Camera and Video
Camera and Video — specifications for Quantum, X4+.
SpecificationQuantumX4+
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • f/2.2
  • 1/3''
  • 1.12µm
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 5 MP
  • Single
Specifications Unknown
  • 5 MP
  • f/2.4
  • 1/5''
  • 1.12µm
Performance
Performance — specifications for Quantum, X4+.
SpecificationQuantumX4+
Processor CPU
  • 1.0 GHz Scorpion
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 200
  • Adreno 308
General specs
General specs — specifications for Quantum, X4+.
SpecificationQuantumX4+
Release date
  • 2010
  • October
  • 2018
  • January
Colors
  • Black
  • Lavender Violet
  • Moroccan Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 200 EUR
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, X4+.
SpecificationQuantumX4+
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
Speed
  • HSPA
  • HSPA
  • LTE
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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 4.2
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Quantum, X4+.
SpecificationQuantumX4+
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, X4+.
SpecificationQuantumX4+
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 (rear-mounted)
  • accelerometer
  • proximity
  • compass - MIL-STD-810G compliant - For Korea