Xiaomi Mi 8 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

    Mi 8: 66 g lighter

    Mi 8:
    175 g
    Mi Mix Alpha:
    241 g
  • Width

    Mi Mix Alpha: 2.5 mm narrower

    Mi 8:
    74.8 mm
    Mi Mix Alpha:
    72.3 mm
  • Screen diagonal

    Mi 8: 1.71 in smaller diagonal

    Mi 8:
    6.21 in
    Mi Mix Alpha:
    7.92 in
  • Chipset

    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
    Mi Mix Alpha:
    Qualcomm SM8150 Snapdragon 855+ (7 nm)
  • Rear camera layout

    Mi 8:
    Dual
    Mi Mix Alpha:
    Triple
  • Depth

    Mi 8: 2.8 mm thinner

    Mi 8:
    7.6 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. Mi 8

    Height:
    154.9 mm
    Width:
    74.8 mm +2.5 mm versus Mi Mix Alpha
    Depth:
    7.6 mm
  2. 2. Mi Mix Alpha

    Height:
    154.4 mm
    Width:
    72.3 mm
    Depth:
    10.4 mm +2.8 mm versus Mi 8

Weight

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

  1. 1. Mi 8

    175 g

  2. 2. Mi Mix Alpha

    241 g

    +66 g versus Mi 8

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. Mi 8

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

Mi 8: Original memory entry

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

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. Mi 8

NFC:
Yes
Headphone jack:
No
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. Mi 8

    3400 mAh

  2. 2. Mi Mix Alpha

    4050 mAh

    +650 mAh versus Mi 8

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. Mi 82. Mi Mix Alpha

Everyday essentials
Everyday essentials — specifications for Mi 8, Mi Mix Alpha.
SpecificationMi 8Mi Mix Alpha
Dimensions (HxWxD)
  • 154.9 Х 74.8 Х 7.6 mm
  • 154.4 Х 72.3 Х 10.4 mm
Weight
  • 175 g
  • 241 g
Technology
  • Super AMOLED
  • Flexible Super AMOLED
Screen size
  • 6.21" inch
  • 7.92" inch
Screen resolution
  • 1080 x 2248 px
  • 2088 x 2250 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 GB RAM
  • 512GB 12GB RAM
  • UFS3.0
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3400 mAh
  • Non-removable Li-Po
  • 4050 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
  • Android 10
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Qualcomm SM8150 Snapdragon 855+ (7 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • No
Display
Display — specifications for Mi 8, Mi Mix Alpha.
SpecificationMi 8Mi Mix Alpha
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.1 cm2
  • 201.8 cm2
Screen format
  • 19:9 (height:width)
Unknown
Screen to body ratio
  • 83.8%
  • 180.8%
PPI /points per inch/
  • 402 PPI
  • 388 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video

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

Camera and Video — specifications for Mi 8, Mi Mix Alpha.
SpecificationMi 8Mi Mix Alpha
Rear camera, main
  • 12 MP
  • Dual
  • 108 MP
  • Triple
Camera specs
  • 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
  • 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
  • HDR
  • panorama
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 3240p@30fps
  • 2160p@30/60fps
  • 1080p@30/120/240fps
  • 1080p@960fps
Front camera, selfie
  • 20 MP
  • Single
  • 108 MP
  • Triple
Specifications
  • 20 MP
  • f/2.0
  • 0.9μm
  • uses main camera
DxOMark Main Score *
  • 99
Unknown
DxOMark Photo *
  • 105
Unknown
DxOMark Video *
  • 88
Unknown
Performance

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

Performance — specifications for Mi 8, Mi Mix Alpha.
SpecificationMi 8Mi Mix Alpha
Processor CPU
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
  • Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU
  • Adreno 630
  • Adreno 640 (700 MHz)
Antutu 7 score *
  • 297023
Unknown
GeekBench 4 Single Core *
  • 2280
Unknown
GeekBench 4 Multi-Core *
  • 8242
Unknown
GeekBench 4 RenderScript *
  • 13089
Unknown
Antutu 8 score *
  • 353884
  • 480830
GeekBench 4 Battery *
  • 3965
Unknown
GeekBench 5 Single Core *
  • 447
Unknown
GeekBench 5 Multi-Core *
  • 1898
Unknown
General specs
General specs — specifications for Mi 8, Mi Mix Alpha.
SpecificationMi 8Mi Mix Alpha
Release date
  • 2018
  • May
  • 2019
  • September
Colors
  • Black
  • Blue
  • White
  • Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 380 EUR
  • 2500 EUR
Body build
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
  • Glass front
  • ceramic/glass back
  • titanium alloy frame (TC4)
Communication and Connectivity
Communication and Connectivity — specifications for Mi 8, Mi Mix Alpha.
SpecificationMi 8Mi Mix Alpha
SIM card
  • 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 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)
  • 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 (4CA) Cat16 1024/150 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 dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • Type-C 1.0 reversible connector
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Mi 8, Mi Mix Alpha.
SpecificationMi 8Mi Mix Alpha
Radio
  • No
  • No
Others
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Mi 8, Mi Mix Alpha.
SpecificationMi 8Mi Mix Alpha
Dop
  • Sensors Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging 40W