LG Quantum vs ZTE Blade 20

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

    Quantum: 14 g lighter

    Quantum:
    176 g
    Blade 20:
    190 g
  • Width

    Quantum: 17.1 mm narrower

    Quantum:
    59.5 mm
    Blade 20:
    76.6 mm
  • Screen diagonal

    Quantum: 2.99 in smaller diagonal

    Quantum:
    3.5 in
    Blade 20:
    6.49 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    Blade 20:
    Mediatek MT6771 Helio P70 (12nm)
  • Rear camera layout

    Quantum:
    Single
    Blade 20:
    Dual
  • Depth

    Blade 20: 6.2 mm thinner

    Quantum:
    15.2 mm
    Blade 20:
    9 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. Quantum

    Height:
    119.5 mm
    Width:
    59.5 mm
    Depth:
    15.2 mm +6.2 mm versus Blade 20
  2. 2. Blade 20

    Height:
    162.9 mm +43.4 mm versus Quantum
    Width:
    76.6 mm +17.1 mm versus Quantum
    Depth:
    9 mm

Weight

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

  1. 1. Quantum

    176 g

  2. 2. Blade 20

    190 g

    +14 g versus Quantum

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. Blade 20

    Screen diagonal:
    6.49 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    103.4 cm²

Blade 20 has approximately 196.5% 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, Blade 20, compared at the same storage capacity.
StorageQuantumBlade 20
128 GB Unknown 4 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. Blade 20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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. Blade 20

    5000 mAh

    +3500 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. Blade 20

Everyday essentials
Everyday essentials — specifications for Quantum, Blade 20.
SpecificationQuantumBlade 20
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 162.9 Х 76.6 Х 9 mm
Weight
  • 176 g
  • 190 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.49" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1560 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
  • 128GB 4GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 9.0 (Pie)
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Mediatek MT6771 Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, Blade 20.
SpecificationQuantumBlade 20
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 103.4 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 49.0%
  • 82.9%
PPI /points per inch/
  • 267 PPI
  • 265 PPI
Camera and Video
Camera and Video — specifications for Quantum, Blade 20.
SpecificationQuantumBlade 20
Rear camera, main
  • 5 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 16 MP
  • f/2.0
  • PDAF -8 MP
  • 12mm (ultrawide) -2 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.4
Performance
Performance — specifications for Quantum, Blade 20.
SpecificationQuantumBlade 20
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 200
  • Mali-G72 MP3
General specs
General specs — specifications for Quantum, Blade 20.
SpecificationQuantumBlade 20
Release date
  • 2010
  • October
  • 2019
  • October
Colors
  • Black
  • Turquoise
  • Magic red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, Blade 20.
SpecificationQuantumBlade 20
SIM card
  • Mini-SIM
  • Hybrid 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 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A
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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • 5.0
  • 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, Blade 20.
SpecificationQuantumBlade 20
Radio
  • Stereo FM radio
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, Blade 20.
SpecificationQuantumBlade 20
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 - Fast battery charging 18W