LG Quantum vs Xiaomi Mi A3

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: 12.4 mm narrower

    Quantum:
    59.5 mm
    Mi A3:
    71.9 mm
  • Screen diagonal

    Quantum: 2.51 in smaller diagonal

    Quantum:
    3.5 in
    Mi A3:
    6.01 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    Mi A3:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    Quantum:
    Single
    Mi A3:
    Triple
  • Depth

    Mi A3: 6.7 mm thinner

    Quantum:
    15.2 mm
    Mi A3:
    8.5 mm
  • Height

    Quantum: 34 mm shorter

    Quantum:
    119.5 mm
    Mi A3:
    153.5 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 +6.7 mm versus Mi A3
  2. 2. Mi A3

    Height:
    153.5 mm +34 mm versus Quantum
    Width:
    71.9 mm +12.4 mm versus Quantum
    Depth:
    8.5 mm

Weight

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

  1. 1. Quantum

    176 g

    +2.2 g versus Mi A3

  2. 2. Mi A3

    173.8 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. Mi A3

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

Mi A3 has approximately 154.3% 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

Mi A3: Original memory entry

64/128 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. Mi A3

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. Mi A3

    4030 mAh

    +2530 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. Mi A3

Everyday essentials
Everyday essentials — specifications for Quantum, Mi A3.
SpecificationQuantumMi A3
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 153.5 Х 71.9 Х 8.5 mm
Weight
  • 176 g
  • 173.8 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 3.5" inch
  • 6.01" 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
  • 64/128 GB
  • 512GB 4GB
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
  • 4030 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 9.0 (Pie); Android One
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Quantum, Mi A3.
SpecificationQuantumMi A3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 88.7 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 49.0%
  • 80.3%
PPI /points per inch/
  • 267 PPI
  • 286 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Quantum, Mi A3.
SpecificationQuantumMi A3
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • (ultrawide)
  • f/2.2
  • 1.12µm -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 32 MP
  • Single
Specifications Unknown
  • 32 MP
  • f/2.0
  • 0.8µm
Performance

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

Performance — specifications for Quantum, Mi A3.
SpecificationQuantumMi A3
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (2x2.0 GHz Kryo 260 Gold & 6x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • Adreno 200
  • Adreno 610
Antutu 7 score * Unknown
  • 142658
GeekBench 4 Single Core * Unknown
  • 1501
GeekBench 4 Multi-Core * Unknown
  • 5662
Antutu 8 score * Unknown
  • 177109
GeekBench 5 Single Core * Unknown
  • 312
GeekBench 5 Multi-Core * Unknown
  • 1357
General specs
General specs — specifications for Quantum, Mi A3.
SpecificationQuantumMi A3
Release date
  • 2010
  • October
  • 2019
  • July
Colors
  • Black
  • Kind of Gray
  • Not just Blue
  • More than White
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
  • Back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, Mi A3.
SpecificationQuantumMi A3
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 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300) - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) 450/50 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/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.1
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Quantum, Mi A3.
SpecificationQuantumMi A3
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, Mi A3.
SpecificationQuantumMi A3
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 (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 3)