Xiaomi Mi 4i 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 4i: 85 g lighter

    Mi 4i:
    130 g
    Nubia X6:
    215 g
  • Width

    Mi 4i: 19.4 mm narrower

    Mi 4i:
    69.6 mm
    Nubia X6:
    89 mm
  • Screen diagonal

    Mi 4i: 1.44 in smaller diagonal

    Mi 4i:
    5 in
    Nubia X6:
    6.44 in
  • Height

    Mi 4i: 41.4 mm shorter

    Mi 4i:
    138.1 mm
    Nubia X6:
    179.5 mm
  • Release year

    Mi 4i:
    2015
    Nubia X6:
    2014

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 4i

    Height:
    138.1 mm
    Width:
    69.6 mm
    Depth:
    7.8 mm
  2. 2. Nubia X6

    Height:
    179.5 mm +41.4 mm versus Mi 4i
    Width:
    89 mm +19.4 mm versus Mi 4i
    Depth:
    7.9 mm

Weight

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

  1. 1. Mi 4i

    130 g

  2. 2. Nubia X6

    215 g

    +85 g versus Mi 4i

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 4i

    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 4i.

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 Mi 4i, Nubia X6, compared at the same storage capacity.
StorageMi 4iNubia X6
16 GB 2 GB RAM Unknown
32 GB 2 GB RAM Unknown
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 4i

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 4i

    3120 mAh

  2. 2. Nubia X6

    4250 mAh

    +1130 mAh versus Mi 4i

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 4i2. Nubia X6

Everyday essentials
Everyday essentials — specifications for Mi 4i, Nubia X6.
SpecificationMi 4iNubia X6
Dimensions (HxWxD)
  • 138.1 Х 69.6 Х 7.8 mm
  • 179.5 Х 89 Х 7.9 mm
Weight
  • 130 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.
  • 16/32 GB
  • 2 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.
  • 3120 mAh
  • Non-removable Li-Ion
  • 4250 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.0.2 (Lollipop); MIUI 8.2
  • Android 4.3 (Jelly Bean)
Chipset
  • Qualcomm MSM8939 Snapdragon 615 (28 nm)
  • Qualcomm MSM8974AB/ MSM8974AC Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi 4i, Nubia X6.
SpecificationMi 4iNubia 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
  • 71.7%
  • 71.6%
PPI /points per inch/
  • 441 PPI
  • 342 PPI
Screen protection
  • Corning scratch-resistant glass
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Mi 4i, Nubia X6.
SpecificationMi 4iNubia X6
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 13 MP
  • OIS
  • AF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 480p@120fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 5 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 4i, Nubia X6.
SpecificationMi 4iNubia X6
Processor CPU
  • Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Quad-core 2.3/2.5 GHz Krait 400
Graphics processor GPU
  • Adreno 405
  • Adreno 330
Antutu 7 score *
  • 40156
  • 38123
GeekBench 4 Single Core *
  • 617
Unknown
GeekBench 4 Multi-Core *
  • 1374
Unknown
GeekBench 4 RenderScript *
  • 1404
Unknown
General specs
General specs — specifications for Mi 4i, Nubia X6.
SpecificationMi 4iNubia X6
Release date
  • 2015
  • April
  • 2014
  • March
Colors
  • Dark Gray
  • Black
  • White
  • Yellow
  • Blue
  • Pink
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 260 EUR
  • 350 EUR
Battery life
  • Talking time- Up to 35 h (3G)
  • Stand by time- Up to 695 h Talking time- Up to 32 h (2G) / Up to 17 h (3G)
Body build
  • plastic body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi 4i, Nubia X6.
SpecificationMi 4iNubia X6
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1900 / 2100 TD-SCDMA -4G - LTE band 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 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
  • LTE Cat4 150/50 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
  • WiFi Direct
  • 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
  • 4.1
  • A2DP
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 1.29 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Mi 4i, Nubia X6.
SpecificationMi 4iNubia X6
Radio
  • Stereo 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 4i, Nubia X6.
SpecificationMi 4iNubia X6
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging: 40% in 60 min (Quick Charge)
  • 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