LG Q8 2018 vs Xiaomi Mi Mix Alpha

Compare recorded specifications, size and practical differences.

+ Add a third phone

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.

  • Display technology

    OLED versus LCD

    Q8 2018:
    LCD
    Mi Mix Alpha:
    OLED
  • Weight

    Q8 2018: 95 g lighter

    Q8 2018:
    146 g
    Mi Mix Alpha:
    241 g
  • Screen diagonal

    Q8 2018: 2.72 in smaller diagonal

    Q8 2018:
    5.2 in
    Mi Mix Alpha:
    7.92 in
  • Chipset

    Q8 2018:
    Qualcomm MSM8996 Snapdragon 820 (14 nm)
    Mi Mix Alpha:
    Qualcomm SM8150 Snapdragon 855+ (7 nm)
  • Rear camera layout

    Q8 2018:
    Dual
    Mi Mix Alpha:
    Triple
  • Depth

    Q8 2018: 2.4 mm thinner

    Q8 2018:
    8 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. Q8 2018

    Height:
    149 mm
    Width:
    71.9 mm
    Depth:
    8 mm
  2. 2. Mi Mix Alpha

    Height:
    154.4 mm +5.4 mm versus Q8 2018
    Width:
    72.3 mm
    Depth:
    10.4 mm +2.4 mm versus Q8 2018

Weight

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

  1. 1. Q8 2018

    146 g

  2. 2. Mi Mix Alpha

    241 g

    +95 g versus Q8 2018

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. Q8 2018

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 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.

Q8 2018: Original memory entry

32 GB · 512GB 4GB

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. Q8 2018

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (dedicated slot) - single-SIM modelmicroSD · up to 512 GB (uses SIM 2 slot) - d

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. Q8 2018

    3000 mAh

  2. 2. Mi Mix Alpha

    4050 mAh

    +1050 mAh versus Q8 2018

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. Q8 20182. Mi Mix Alpha

Everyday essentials
Everyday essentials — specifications for Q8 2018, Mi Mix Alpha.
SpecificationQ8 2018Mi Mix Alpha
Dimensions (HxWxD)
  • 149 Х 71.9 Х 8 mm
  • 154.4 Х 72.3 Х 10.4 mm
Weight
  • 146 g
  • 241 g
Technology
  • IPS LCD
  • Flexible Super AMOLED
Screen size
  • 5.2" inch
  • 7.92" inch
Screen resolution
  • 1440 x 2560 px
  • 2088 x 2250 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 512GB 4GB
  • 512GB 12GB RAM
  • UFS3.0
Memory card support
  • microSD
  • up to 512 GB (dedicated slot) - single-SIM modelmicroSD
  • up to 512 GB (uses SIM 2 slot) - d
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Ion
  • 4050 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 10
Chipset
  • Qualcomm MSM8996 Snapdragon 820 (14 nm)
  • Qualcomm SM8150 Snapdragon 855+ (7 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for Q8 2018, Mi Mix Alpha.
SpecificationQ8 2018Mi Mix Alpha
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.8 cm2
  • 201.8 cm2
Screen format
  • 16:9 (height:width)
Unknown
Screen to body ratio
  • 69.8%
  • 180.8%
PPI /points per inch/
  • 564 PPI
  • 388 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for Q8 2018, Mi Mix Alpha.
SpecificationQ8 2018Mi Mix Alpha
Rear camera, main
  • 16 MP
  • Dual
  • 108 MP
  • Triple
Camera specs
  • 16 MP
  • f/1.8
  • 28mm (wide)
  • 1/2.6''
  • laser AF
  • 3-axis OIS -8 MP
  • f/2.4
  • 10mm
  • 1/4''
  • no 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
  • Dual-LED flash
  • panorama
  • HDR
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 3240p@30fps
  • 2160p@30/60fps
  • 1080p@30/120/240fps
  • 1080p@960fps
Front camera, selfie
  • 5 MP
  • Single
  • 108 MP
  • Triple
Specifications
  • 5 MP
  • f/1.9
  • 1/5''
  • 1.12µm
  • uses main camera
Performance

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

Performance — specifications for Q8 2018, Mi Mix Alpha.
SpecificationQ8 2018Mi Mix Alpha
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 530
  • Adreno 640 (700 MHz)
Antutu 7 score *
  • 58302
Unknown
Antutu 8 score * Unknown
  • 480830
General specs
General specs — specifications for Q8 2018, Mi Mix Alpha.
SpecificationQ8 2018Mi Mix Alpha
Release date
  • 2017
  • July
  • 2019
  • September
Colors
  • Titan
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 2500 EUR
Body build
  • Front glass
  • aluminum body
  • plastic ends
  • Glass front
  • ceramic/glass back
  • titanium alloy frame (TC4)
Communication and Connectivity
Communication and Connectivity — specifications for Q8 2018, Mi Mix Alpha.
SpecificationQ8 2018Mi Mix Alpha
SIM card
  • Single SIM (Nano-SIM)Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • 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 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (7CA) Cat20 2048/150 Mbps
  • 5G (2+ Gbps DL)
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • Type-C 1.0 reversible connector
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Q8 2018, Mi Mix Alpha.
SpecificationQ8 2018Mi Mix Alpha
Radio
  • FM radio
  • RDS
  • No
Others
  • Secondary display
  • 160 x 1040 pixels
  • 1.8 inches -Always-on display
  • 32-bit/192kHz audio -24-bit/192kHz audio recording -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Q8 2018, Mi Mix Alpha.
SpecificationQ8 2018Mi Mix Alpha
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 3.0) - IP67 dust/water resistant (up to 1m for 30 mins) - Versions: H970 (Europe)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 40W