Xiaomi Mi 4 vs ZTE Nubia X6

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 4: 66 g lighter

    Mi 4:
    149 g
    Nubia X6:
    215 g
  • Width

    Mi 4: 20.5 mm narrower

    Mi 4:
    68.5 mm
    Nubia X6:
    89 mm
  • Screen diagonal

    Mi 4: 1.44 in smaller diagonal

    Mi 4:
    5 in
    Nubia X6:
    6.44 in
  • Depth

    Nubia X6: 1 mm thinner

    Mi 4:
    8.9 mm
    Nubia X6:
    7.9 mm
  • Height

    Mi 4: 40.3 mm shorter

    Mi 4:
    139.2 mm
    Nubia X6:
    179.5 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
    Width:
    68.5 mm
    Depth:
    8.9 mm +1 mm versus Nubia X6
  2. 2. Nubia X6

    Height:
    179.5 mm +40.3 mm versus Mi 4
    Width:
    89 mm +20.5 mm versus Mi 4
    Depth:
    7.9 mm

Weight

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

  1. 1. Mi 4

    149 g

  2. 2. Nubia X6

    215 g

    +66 g versus Mi 4

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. Nubia X6

    Screen diagonal:
    6.44 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    114.3 cm²

Nubia X6 has approximately 65.9% more rectangular screen area than Mi 4.

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

Nubia X6: Original memory entry

32/64 GB · 2 GB RAM/ 128 GB · 3 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. Mi 4

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

2. Nubia X6

NFC:
Yes
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

  2. 2. Nubia X6

    4250 mAh

    +1170 mAh versus Mi 4

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. Nubia X6

Everyday essentials
Everyday essentials — specifications for Mi 4, Nubia X6.
SpecificationMi 4Nubia X6
Dimensions (HxWxD)
  • 139.2 Х 68.5 Х 8.9 mm
  • 179.5 Х 89 Х 7.9 mm
Weight
  • 149 g
  • 215 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 6.44" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 1920 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
  • 32/64 GB
  • 2 GB RAM/ 128 GB
  • 3 GB 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
  • 4250 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.3 (KitKat)
  • upgradable to 6.0.1 (Marshmallow); MIUI 10
  • Android 4.3 (Jelly Bean)
Chipset
  • Qualcomm MSM8974AC Snapdragon 801 (28 nm)
  • Qualcomm MSM8974AB/ MSM8974AC Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi 4, Nubia X6.
SpecificationMi 4Nubia X6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 114.3 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 72.3%
  • 71.6%
PPI /points per inch/
  • 441 PPI
  • 342 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Mi 4, Nubia X6.
SpecificationMi 4Nubia X6
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • f/1.8
  • 1/3''
  • 1.12µm
  • AF
  • 13 MP
  • OIS
  • AF
Functions
  • LED flash
  • panorama
  • HDR
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 8 MP
  • f/1.8
  • 13 MP
Performance

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

Performance — specifications for Mi 4, Nubia X6.
SpecificationMi 4Nubia X6
Processor CPU
  • Quad-core 2.5 GHz Krait 400
  • Quad-core 2.3/2.5 GHz Krait 400
Graphics processor GPU
  • Adreno 330
  • Adreno 330
Antutu 7 score *
  • 61632
  • 38123
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, Nubia X6.
SpecificationMi 4Nubia X6
Release date
  • 2014
  • July
  • 2014
  • March
Colors
  • Black
  • White
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
  • 350 EUR
Battery life
  • Stand by time- Up to 280 h (3G)
  • Stand by time- Up to 695 h Talking time- Up to 32 h (2G) / Up to 17 h (3G)
Body build
  • aluminum frame
  • plastic back
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi 4, Nubia X6.
SpecificationMi 4Nubia X6
SIM card
  • Micro-SIM
  • Dual 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 - SIM 1 & SIM 2 CDMA 800 -3G - HSDPA 850 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 3(1800)
  • 7(2600) LTE band 38(2600)
  • 39(1900)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • EV-DO Rev.A 3.1 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
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 3.0
  • USB Host
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.36 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Mi 4, Nubia X6.
SpecificationMi 4Nubia X6
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Mi 4, Nubia X6.
SpecificationMi 4Nubia X6
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 2.0)
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Versions: 32/64 GB
  • 2 GB RAM
  • MSM8974AB chipset
  • 2.3 GHz processor 128 GB
  • 3 GB RAM
  • MSM8974AC chipset
  • 2.5 GHz processor