LG Quantum vs vivo Z1i

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

    Z1i: 26.7 g lighter

    Quantum:
    176 g
    Z1i:
    149.3 g
  • Width

    Quantum: 15.6 mm narrower

    Quantum:
    59.5 mm
    Z1i:
    75.1 mm
  • Screen diagonal

    Quantum: 2.76 in smaller diagonal

    Quantum:
    3.5 in
    Z1i:
    6.26 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    Z1i:
    Qualcomm SDM636 Snapdragon 636 (14 nm)
  • Rear camera layout

    Quantum:
    Single
    Z1i:
    Dual
  • Depth

    Z1i: 7.3 mm thinner

    Quantum:
    15.2 mm
    Z1i:
    7.9 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 +7.3 mm versus Z1i
  2. 2. Z1i

    Height:
    154.8 mm +35.3 mm versus Quantum
    Width:
    75.1 mm +15.6 mm versus Quantum
    Depth:
    7.9 mm

Weight

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

  1. 1. Quantum

    176 g

    +26.7 g versus Z1i

  2. 2. Z1i

    149.3 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. Z1i

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²

Z1i has approximately 180.5% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Quantum: Original memory entry

16 GB · 512 MB RAM · 512 MB ROM

Z1i: Original memory entry

128 GB · 512GB 4GB

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. Z1i

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. Z1i

    3260 mAh

    +1760 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. Z1i

Everyday essentials
Everyday essentials — specifications for Quantum, Z1i.
SpecificationQuantumZ1i
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 154.8 Х 75.1 Х 7.9 mm
Weight
  • 176 g
  • 149.3 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 6.26" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2280 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
  • 128 GB
  • 512GB 4GB
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
  • 3260 mAh
  • Non-removable Li-Ion
Operating system OS
  • Microsoft Windows Phone 7
  • Android 8.1 (Oreo); Funtouch 4
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, Z1i.
SpecificationQuantumZ1i
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 97.8 cm2
Screen format
  • 5:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 49.0%
  • 84.1%
PPI /points per inch/
  • 267 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for Quantum, Z1i.
SpecificationQuantumZ1i
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • PDAF -2 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Single
Specifications Unknown
  • 16 MP
Performance

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

Performance — specifications for Quantum, Z1i.
SpecificationQuantumZ1i
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core 1.8 GHz Kryo 260
Graphics processor GPU
  • Adreno 200
  • Adreno 509
Antutu 7 score * Unknown
  • 104252
GeekBench 4 Single Core * Unknown
  • 1336
GeekBench 4 Multi-Core * Unknown
  • 4943
General specs
General specs — specifications for Quantum, Z1i.
SpecificationQuantumZ1i
Release date
  • 2010
  • October
  • 2018
  • July
Colors
  • Black
  • Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 250 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Unknown
Body build Unknown
  • plastic back
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, Z1i.
SpecificationQuantumZ1i
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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • Yes
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Quantum, Z1i.
SpecificationQuantumZ1i
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, Z1i.
SpecificationQuantumZ1i
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
  • gyro
  • proximity
  • compass