Xiaomi Mi 8 vs ZTE Open II

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.

  • Width

    Open II: 13.8 mm narrower

    Mi 8:
    74.8 mm
    Open II:
    61 mm
  • Screen diagonal

    Open II: 2.71 in smaller diagonal

    Mi 8:
    6.21 in
    Open II:
    3.5 in
  • Chipset

    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
    Open II:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Rear camera layout

    Mi 8:
    Dual
    Open II:
    Single
  • Depth

    Mi 8: 2.9 mm thinner

    Mi 8:
    7.6 mm
    Open II:
    10.5 mm
  • Height

    Open II: 36.9 mm shorter

    Mi 8:
    154.9 mm
    Open II:
    118 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 +36.9 mm versus Open II
    Width:
    74.8 mm +13.8 mm versus Open II
    Depth:
    7.6 mm
    Weight:
    175 g
  2. 2. Open II

    Height:
    118 mm
    Width:
    61 mm
    Depth:
    10.5 mm +2.9 mm versus Mi 8
    Weight:
    Unknown

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. Mi 8

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

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Mi 8 has approximately 163.9% more rectangular screen area than Open II.

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

Open II: Original memory entry

2 GB · 256 MB 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. Mi 8

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

2. Open II

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

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

    +2250 mAh versus Open II

  2. 2. Open II

    1150 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. Mi 82. Open II

Everyday essentials
Everyday essentials — specifications for Mi 8, Open II.
SpecificationMi 8Open II
Dimensions (HxWxD)
  • 154.9 Х 74.8 Х 7.6 mm
  • 118 Х 61 Х 10.5 mm
Weight
  • 175 g
  • 0 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.21" inch
  • 3.5" inch
Screen resolution
  • 1080 x 2248 px
  • 320 x 480 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
  • 2 GB
  • 256 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3400 mAh
  • Non-removable Li-Po
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
  • Firefox OS 1.3
Chipset
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Mi 8, Open II.
SpecificationMi 8Open II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 97.1 cm2
  • 36.5 cm2
Screen format
  • 19:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 83.8%
  • 50.7%
PPI /points per inch/
  • 402 PPI
  • 165 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, Open II.
SpecificationMi 8Open II
Rear camera, main
  • 12 MP
  • Dual
  • 2 MP
  • Single
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
  • 2 MP
Functions
  • Dual-LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 20 MP
  • Single
  • 0 MP,
Specifications
  • 20 MP
  • f/2.0
  • 0.9μm
Unknown
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, Open II.
SpecificationMi 8Open II
Processor CPU
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 630
  • Adreno 302
Antutu 7 score *
  • 297023
  • 12396
GeekBench 4 Single Core *
  • 2280
Unknown
GeekBench 4 Multi-Core *
  • 8242
Unknown
GeekBench 4 RenderScript *
  • 13089
Unknown
Antutu 8 score *
  • 353884
Unknown
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, Open II.
SpecificationMi 8Open II
Release date
  • 2018
  • May
  • 2014
  • February
Colors
  • Black
  • Blue
  • White
  • Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 380 EUR
Unknown
Body build
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi 8, Open II.
SpecificationMi 8Open II
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
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
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
  • HSPA
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 b/g/n
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
Unknown
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 2.1
Music and Audio
Music and Audio — specifications for Mi 8, Open II.
SpecificationMi 8Open II
Radio
  • No
  • FM radio
Others
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Mi 8, Open II.
SpecificationMi 8Open II
Dop
  • Sensors Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input