LG Quantum vs Xiaomi Mi Mix Alpha

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: 65 g lighter

    Quantum:
    176 g
    Mi Mix Alpha:
    241 g
  • Width

    Quantum: 12.8 mm narrower

    Quantum:
    59.5 mm
    Mi Mix Alpha:
    72.3 mm
  • Screen diagonal

    Quantum: 4.42 in smaller diagonal

    Quantum:
    3.5 in
    Mi Mix Alpha:
    7.92 in
  • Chipset

    Quantum:
    Qualcomm QSD8650 Snapdragon S1
    Mi Mix Alpha:
    Qualcomm SM8150 Snapdragon 855+ (7 nm)
  • Rear camera layout

    Quantum:
    Single
    Mi Mix Alpha:
    Triple
  • Depth

    Mi Mix Alpha: 4.8 mm thinner

    Quantum:
    15.2 mm
    Mi Mix Alpha:
    10.4 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 +4.8 mm versus Mi Mix Alpha
  2. 2. Mi Mix Alpha

    Height:
    154.4 mm +34.9 mm versus Quantum
    Width:
    72.3 mm +12.8 mm versus Quantum
    Depth:
    10.4 mm

Weight

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

  1. 1. Quantum

    176 g

  2. 2. Mi Mix Alpha

    241 g

    +65 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Quantum

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. Mi Mix Alpha

    Mi Mix Alpha: Screen geometry unavailable or conflicting.

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 Mix Alpha: Original memory entry

512GB 12GB RAM · UFS3.0

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 Mix Alpha

NFC:
Unknown
Headphone jack:
No
Memory card support:
No

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 Mix Alpha

    4050 mAh

    +2550 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 Mix Alpha

Everyday essentials
Everyday essentials — specifications for Quantum, Mi Mix Alpha.
SpecificationQuantumMi Mix Alpha
Dimensions (HxWxD)
  • 119.5 Х 59.5 Х 15.2 mm
  • 154.4 Х 72.3 Х 10.4 mm
Weight
  • 176 g
  • 241 g
Technology
  • TFT
  • Flexible Super AMOLED
Screen size
  • 3.5" inch
  • 7.92" inch
Screen resolution
  • 480 x 800 px
  • 2088 x 2250 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
  • 512GB 12GB RAM
  • UFS3.0
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 4050 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Phone 7
  • Android 10
Chipset
  • Qualcomm QSD8650 Snapdragon S1
  • Qualcomm SM8150 Snapdragon 855+ (7 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for Quantum, Mi Mix Alpha.
SpecificationQuantumMi Mix Alpha
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 34.9 cm2
  • 201.8 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 49.0%
  • 180.8%
PPI /points per inch/
  • 267 PPI
  • 388 PPI
Camera and Video
Camera and Video — specifications for Quantum, Mi Mix Alpha.
SpecificationQuantumMi Mix Alpha
Rear camera, main
  • 5 MP
  • Single
  • 108 MP
  • Triple
Camera specs
  • 5 MP
  • AF
  • 108 MP
  • f/1.7
  • (wide)
  • 1/1.33''
  • 0.8µm
  • PDAF
  • Laser AF -12 MP
  • f/2.0
  • 54mm (telephoto)
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF
  • laser AF
  • 2x optical zoom -20 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/2.8''
  • 1.0µm
Functions
  • LED flash
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 720p
  • 3240p@30fps
  • 2160p@30/60fps
  • 1080p@30/120/240fps
  • 1080p@960fps
Front camera, selfie
  • 0 MP,
  • 108 MP
  • Triple
Specifications Unknown
  • uses main camera
Performance

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

Performance — specifications for Quantum, Mi Mix Alpha.
SpecificationQuantumMi Mix Alpha
Processor CPU
  • 1.0 GHz Scorpion
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 200
  • Adreno 640 (700 MHz)
Antutu 8 score * Unknown
  • 480830
General specs
General specs — specifications for Quantum, Mi Mix Alpha.
SpecificationQuantumMi Mix Alpha
Release date
  • 2010
  • October
  • 2019
  • September
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 2500 EUR
Battery life
  • Stand by time- Up to 350 h Talking time- Up to 6 h
Unknown
Body build Unknown
  • Glass front
  • ceramic/glass back
  • titanium alloy frame (TC4)
Communication and Connectivity
Communication and Connectivity — specifications for Quantum, Mi Mix Alpha.
SpecificationQuantumMi Mix Alpha
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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G SA / NSA / Sub6 / mmWave; N41/N78/N79
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (7CA) Cat20 2048/150 Mbps
  • 5G (2+ Gbps DL)
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
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 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 Mix Alpha.
SpecificationQuantumMi Mix Alpha
Radio
  • Stereo FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Quantum, Mi Mix Alpha.
SpecificationQuantumMi Mix Alpha
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
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 40W