LG Q8 2018 vs Xiaomi Mi 8

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.

  • Display technology

    OLED versus LCD

    Q8 2018:
    LCD
    Mi 8:
    OLED
  • Weight

    Q8 2018: 29 g lighter

    Q8 2018:
    146 g
    Mi 8:
    175 g
  • Width

    Q8 2018: 2.9 mm narrower

    Q8 2018:
    71.9 mm
    Mi 8:
    74.8 mm
  • Screen diagonal

    Q8 2018: 1.01 in smaller diagonal

    Q8 2018:
    5.2 in
    Mi 8:
    6.21 in
  • Chipset

    Q8 2018:
    Qualcomm MSM8996 Snapdragon 820 (14 nm)
    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Height

    Q8 2018: 5.9 mm shorter

    Q8 2018:
    149 mm
    Mi 8:
    154.9 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. Q8 2018

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

    Height:
    154.9 mm +5.9 mm versus Q8 2018
    Width:
    74.8 mm +2.9 mm versus Q8 2018
    Depth:
    7.6 mm

Weight

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

  1. 1. Q8 2018

    146 g

  2. 2. Mi 8

    175 g

    +29 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.

  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 8

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

Mi 8 has approximately 29.1% more rectangular screen area than Q8 2018.

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 8: Original memory entry

64/128/256 GB · 6 GB RAM 128 GB · 8 GB RAM

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 8

NFC:
Yes
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 8

    3400 mAh

    +400 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 8

Everyday essentials
Everyday essentials — specifications for Q8 2018, Mi 8.
SpecificationQ8 2018Mi 8
Dimensions (HxWxD)
  • 149 Х 71.9 Х 8 mm
  • 154.9 Х 74.8 Х 7.6 mm
Weight
  • 146 g
  • 175 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.2" inch
  • 6.21" inch
Screen resolution
  • 1440 x 2560 px
  • 1080 x 2248 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 512GB 4GB
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 GB RAM
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
  • 3400 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 7.0 (Nougat)
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
Chipset
  • Qualcomm MSM8996 Snapdragon 820 (14 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Q8 2018, Mi 8.
SpecificationQ8 2018Mi 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.8 cm2
  • 97.1 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 69.8%
  • 83.8%
PPI /points per inch/
  • 564 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for Q8 2018, Mi 8.
SpecificationQ8 2018Mi 8
Rear camera, main
  • 16 MP
  • Dual
  • 12 MP
  • Dual
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
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 56mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 5 MP
  • f/1.9
  • 1/5''
  • 1.12µm
  • 20 MP
  • f/2.0
  • 0.9μm
DxOMark Main Score * Unknown
  • 99
DxOMark Photo * Unknown
  • 105
DxOMark Video * Unknown
  • 88
Performance

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

Performance — specifications for Q8 2018, Mi 8.
SpecificationQ8 2018Mi 8
Processor CPU
  • Quad-core (2x2.15 GHz Kryo & 2x1.6 GHz Kryo)
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 530
  • Adreno 630
Antutu 7 score *
  • 58302
  • 297023
GeekBench 4 Single Core * Unknown
  • 2280
GeekBench 4 Multi-Core * Unknown
  • 8242
GeekBench 4 RenderScript * Unknown
  • 13089
Antutu 8 score * Unknown
  • 353884
GeekBench 4 Battery * Unknown
  • 3965
GeekBench 5 Single Core * Unknown
  • 447
GeekBench 5 Multi-Core * Unknown
  • 1898
General specs
General specs — specifications for Q8 2018, Mi 8.
SpecificationQ8 2018Mi 8
Release date
  • 2017
  • July
  • 2018
  • May
Colors
  • Titan
  • Black
  • Blue
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
  • 380 EUR
Body build
  • Front glass
  • aluminum body
  • plastic ends
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Q8 2018, Mi 8.
SpecificationQ8 2018Mi 8
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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
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 8.
SpecificationQ8 2018Mi 8
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
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Q8 2018, Mi 8.
SpecificationQ8 2018Mi 8
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 Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)