Xiaomi Mi 4 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: 7.5 mm narrower

    Mi 4:
    68.5 mm
    Open II:
    61 mm
  • Screen diagonal

    Open II: 1.5 in smaller diagonal

    Mi 4:
    5 in
    Open II:
    3.5 in
  • Chipset

    Mi 4:
    Qualcomm MSM8974AC Snapdragon 801 (28 nm)
    Open II:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Mi 4: 1.6 mm thinner

    Mi 4:
    8.9 mm
    Open II:
    10.5 mm
  • Height

    Open II: 21.2 mm shorter

    Mi 4:
    139.2 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 4

    Height:
    139.2 mm +21.2 mm versus Open II
    Width:
    68.5 mm +7.5 mm versus Open II
    Depth:
    8.9 mm
    Weight:
    149 g
  2. 2. Open II

    Height:
    118 mm
    Width:
    61 mm
    Depth:
    10.5 mm +1.6 mm versus Mi 4
    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 4

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Open II

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

Mi 4 has approximately 88.9% 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 4: Original memory entry

16/64 GB · 2/3 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 4

NFC:
Unknown
Headphone jack:
Yes
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 4

    3080 mAh

    +1930 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 42. Open II

Everyday essentials
Everyday essentials — specifications for Mi 4, Open II.
SpecificationMi 4Open II
Dimensions (HxWxD)
  • 139.2 Х 68.5 Х 8.9 mm
  • 118 Х 61 Х 10.5 mm
Weight
  • 149 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 3.5" inch
Screen resolution
  • 1080 x 1920 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16/64 GB
  • 2/3 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.
  • 3080 mAh
  • Non-removable Li-Ion
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
  • Firefox OS 1.3
Chipset
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi 4, Open II.
SpecificationMi 4Open II
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 72.3%
  • 50.7%
PPI /points per inch/
  • 441 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Mi 4, Open II.
SpecificationMi 4Open II
Rear camera, main
  • 13 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
  • 2 MP
Functions
  • LED flash
  • panorama
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/1.8
Unknown
Performance

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

Performance — specifications for Mi 4, Open II.
SpecificationMi 4Open II
Processor CPU
  • Quad-core 2.5 GHz Krait 400
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 330
  • Adreno 302
Antutu 7 score *
  • 61632
  • 12396
GeekBench 4 Single Core *
  • 891
Unknown
GeekBench 4 Multi-Core *
  • 1967
Unknown
GeekBench 4 RenderScript *
  • 1997
Unknown
General specs
General specs — specifications for Mi 4, Open II.
SpecificationMi 4Open II
Release date
  • 2014
  • July
  • 2014
  • February
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
Unknown
Battery life
  • Stand by time- Up to 280 h (3G)
Unknown
Body build
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi 4, Open II.
SpecificationMi 4Open II
SIM card
  • Micro-SIM
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - all versions CDMA 800 / 1900 - Telecom 3G model -3G - TD-SCDMA - 4G model HSDPA 850 / 900 / 1900 / 2100 - Unicom 3G model
  • Telecom 3G model CDMA2000 1xEV-DO - Telecom 3G model -4G - LTE band 38(2600)
  • 39(1900)
  • 40(2300) - 4G model
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 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 A-GPS
  • GLONASS
  • BDS
Unknown
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
Harmful irradiation
  • SAR - 1.36 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Mi 4, Open II.
SpecificationMi 4Open II
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Mi 4, Open II.
SpecificationMi 4Open II
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input