LG Quantum vs QMobile J7 Pro

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: 17.1 mm narrower

    Quantum:
    59.5 mm
    J7 Pro:
    76.6 mm
  • Screen diagonal

    Quantum: 2 in smaller diagonal

    Quantum:
    3.5 in
    J7 Pro:
    5.5 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    J7 Pro:
    Mediatek MT6737T (28 nm)
  • Depth

    J7 Pro: 6 mm thinner

    Quantum:
    15.2 mm
    J7 Pro:
    9.2 mm
  • Height

    Quantum: 34.5 mm shorter

    Quantum:
    119.5 mm
    J7 Pro:
    154 mm
  • Release year

    Quantum:
    2010
    J7 Pro:
    2017

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 mm versus J7 Pro
  2. 2. J7 Pro

    Height:
    154 mm +34.5 mm versus Quantum
    Width:
    76.6 mm +17.1 mm versus Quantum
    Depth:
    9.2 mm

Weight

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

  1. 1. Quantum

    176 g

    +1 g versus J7 Pro

  2. 2. J7 Pro

    175 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. J7 Pro

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

J7 Pro has approximately 139.2% 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, J7 Pro, compared at the same storage capacity.
StorageQuantumJ7 Pro
32 GB Unknown 3 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. J7 Pro

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. J7 Pro

    3150 mAh

    +1650 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. J7 Pro

Everyday essentials
Everyday essentials — specifications for Quantum, J7 Pro.
SpecificationQuantumJ7 Pro
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 154 Х 76.6 Х 9.2 mm
Weight
  • 176 g
  • 175 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.5" 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
  • 3 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 3150 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 6.0 (Marshmallow)
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Mediatek MT6737T (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, J7 Pro.
SpecificationQuantumJ7 Pro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.0%
  • 70.7%
PPI /points per inch/
  • 267 PPI
  • 267 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Quantum, J7 Pro.
SpecificationQuantumJ7 Pro
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • PDAF
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
Performance

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

Performance — specifications for Quantum, J7 Pro.
SpecificationQuantumJ7 Pro
Processor CPU
  • 1.0 GHz Scorpion
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 200
  • Mali-T720
Antutu 7 score * Unknown
  • 30262
GeekBench 4 Single Core * Unknown
  • 700
GeekBench 4 Multi-Core * Unknown
  • 3318
General specs
General specs — specifications for Quantum, J7 Pro.
SpecificationQuantumJ7 Pro
Release date
  • 2010
  • October
  • 2017
  • May
Colors
  • Black
  • Gold
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 18000 INR
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, J7 Pro.
SpecificationQuantumJ7 Pro
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Micro-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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 3(1800)
  • 5(850)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/11.5 Mbps
  • 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 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Quantum, J7 Pro.
SpecificationQuantumJ7 Pro
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Quantum, J7 Pro.
SpecificationQuantumJ7 Pro
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 Accelerometer
  • proximity
  • compass - For India