vivo Z1x 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.

  • Weight

    Mi 8: 15 g lighter

    Z1x:
    190 g
    Mi 8:
    175 g
  • Chipset

    Z1x:
    Qualcomm SDM712 Snapdragon 712 (10 nm)
    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Z1x:
    Triple
    Mi 8:
    Dual
  • Depth

    Mi 8: 0.5 mm thinner

    Z1x:
    8.1 mm
    Mi 8:
    7.6 mm
  • Height

    Mi 8: 4.6 mm shorter

    Z1x:
    159.5 mm
    Mi 8:
    154.9 mm
  • Release year

    Z1x:
    2019
    Mi 8:
    2018

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. Z1x

    Height:
    159.5 mm +4.6 mm versus Mi 8
    Width:
    75.2 mm
    Depth:
    8.1 mm +0.5 mm versus Mi 8
  2. 2. Mi 8

    Height:
    154.9 mm
    Width:
    74.8 mm
    Depth:
    7.6 mm

Weight

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

  1. 1. Z1x

    190 g

    +15 g versus Mi 8

  2. 2. Mi 8

    175 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. Z1x

    Screen diagonal:
    6.38 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    99.9 cm²
  2. 2. Mi 8

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

Z1x has approximately 3.8% more rectangular screen area than Mi 8.

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.

Recorded RAM for Z1x, Mi 8, compared at the same storage capacity.
StorageZ1xMi 8
64 GB 6 GB RAM Unknown
128 GB 6 GB RAM Unknown
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. Z1x

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

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. Z1x

    4500 mAh

    +1100 mAh versus Mi 8

  2. 2. Mi 8

    3400 mAh

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. Z1x2. Mi 8

Everyday essentials
Everyday essentials — specifications for Z1x, Mi 8.
SpecificationZ1xMi 8
Dimensions (HxWxD)
  • 159.5 Х 75.2 Х 8.1 mm
  • 154.9 Х 74.8 Х 7.6 mm
Weight
  • 190 g
  • 175 g
Technology
  • Super AMOLED
  • Super AMOLED
Screen size
  • 6.38" inch
  • 6.21" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2248 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4500 mAh
  • Non-removable Li-Po
  • 3400 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); Funtouch 9.1
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
Chipset
  • Qualcomm SDM712 Snapdragon 712 (10 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Z1x, Mi 8.
SpecificationZ1xMi 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 99.9 cm2
  • 97.1 cm2
Screen format
  • 19.5:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 83.3%
  • 83.8%
PPI /points per inch/
  • 404 PPI
  • 402 PPI
Screen protection Unknown
  • 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 Z1x, Mi 8.
SpecificationZ1xMi 8
Rear camera, main
  • 48 MP
  • Triple
  • 12 MP
  • Dual
Camera specs
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide) -5 MP
  • f/2.4
  • depth sensor
  • 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
  • HDR
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 32 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 32 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.8"
  • 0.8µm
  • 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 Z1x, Mi 8.
SpecificationZ1xMi 8
Processor CPU
  • Octa-core (2x2.3 GHz Kryo 360 Gold & 6x1.7 GHz Kryo 360 Silver)
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 616
  • Adreno 630
Antutu 7 score * Unknown
  • 297023
GeekBench 4 Single Core * Unknown
  • 2280
GeekBench 4 Multi-Core * Unknown
  • 8242
GeekBench 4 RenderScript * Unknown
  • 13089
Antutu 8 score *
  • 215555
  • 353884
GeekBench 4 Battery * Unknown
  • 3965
GeekBench 5 Single Core * Unknown
  • 447
GeekBench 5 Multi-Core * Unknown
  • 1898
General specs
General specs — specifications for Z1x, Mi 8.
SpecificationZ1xMi 8
Release date
  • 2019
  • September
  • 2018
  • May
Colors
  • Fusion Blue
  • Phantom Purple
  • Black
  • Blue
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 220 EUR
  • 380 EUR
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Z1x, Mi 8.
SpecificationZ1xMi 8
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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 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 / 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
  • LTE-A
  • 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
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX
  • 5.0
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR - 1.03 W/kg (head) 0.55 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Z1x, Mi 8.
SpecificationZ1xMi 8
Radio
  • FM radio
  • No
Others
  • Always-on display
  • Active noise cancellation with dedicated mic
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Z1x, Mi 8.
SpecificationZ1xMi 8
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 22.5W
  • Sensors Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)