Xiaomi MI-2a vs ZTE nubia X

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-2a: 48 g lighter

    MI-2a:
    133 g
    nubia X:
    181 g
  • Width

    MI-2a: 6.8 mm narrower

    MI-2a:
    66.5 mm
    nubia X:
    73.3 mm
  • Screen diagonal

    MI-2a: 1.76 in smaller diagonal

    MI-2a:
    4.5 in
    nubia X:
    6.26 in
  • Rear camera layout

    MI-2a:
    Single
    nubia X:
    Dual
  • Depth

    nubia X: 1.1 mm thinner

    MI-2a:
    9.5 mm
    nubia X:
    8.4 mm
  • Height

    MI-2a: 21.1 mm shorter

    MI-2a:
    133 mm
    nubia X:
    154.1 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-2a

    Height:
    133 mm
    Width:
    66.5 mm
    Depth:
    9.5 mm +1.1 mm versus nubia X
  2. 2. nubia X

    Height:
    154.1 mm +21.1 mm versus MI-2a
    Width:
    73.3 mm +6.8 mm versus MI-2a
    Depth:
    8.4 mm

Weight

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

  1. 1. MI-2a

    133 g

  2. 2. nubia X

    181 g

    +48 g versus MI-2a

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-2a

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. nubia X

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

nubia X has approximately 75.2% more rectangular screen area than MI-2a.

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-2a, nubia X, compared at the same storage capacity.
StorageMI-2anubia X
16 GB 1 GB RAM Unknown
nubia X: Original memory entry

128/256/512 GB · 8 GB RAM 64 GB · 6 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-2a

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

2. nubia X

NFC:
Unknown
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. MI-2a

    2030 mAh

  2. 2. nubia X

    3800 mAh

    +1770 mAh versus MI-2a

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-2a2. nubia X

Everyday essentials
Everyday essentials — specifications for MI-2a, nubia X.
SpecificationMI-2anubia X
Dimensions (HxWxD)
  • 133 Х 66.5 Х 9.5 mm
  • 154.1 Х 73.3 Х 8.4 mm
Weight
  • 133 g
  • 181 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 4.5" inch
  • 6.26" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 128/256/512 GB
  • 8 GB RAM 64 GB
  • 6 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2030 mAh
  • Removable Li-Ion
  • 3800 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Android 8.1 (Oreo); Nubia UI 6
Chipset
  • Xiaolong S4 Pro
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for MI-2a, nubia X.
SpecificationMI-2anubia X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 97.8 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 63.1%
  • 86.6%
PPI /points per inch/
  • 326 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for MI-2a, nubia X.
SpecificationMI-2anubia X
Rear camera, main
  • 8 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 8 MP
  • AF
  • f/2.0
  • 16 MP
  • f/1.8
  • PDAF -24 MP
  • f/1.7
  • PDAF
Functions
  • LED flash
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 16 MP
  • Dual
Specifications
  • 2 MP
  • Uses main cameras
Performance

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

Performance — specifications for MI-2a, nubia X.
SpecificationMI-2anubia X
Processor CPU
  • Dual-core 1.7 GHz
  • Octa-core (4x2.65 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 320
  • Adreno 630
Antutu 7 score *
  • 21326
Unknown
GeekBench 4 Single Core *
  • 742
Unknown
GeekBench 4 Multi-Core *
  • 1151
Unknown
GeekBench 4 RenderScript *
  • 1277
Unknown
General specs
General specs — specifications for MI-2a, nubia X.
SpecificationMI-2anubia X
Release date
  • 2013
  • 2018
  • October
Colors
  • Black (front panel)
  • 4 color options (back panel)
  • Blue Gold
  • Sea Blue
  • Black Gold
  • Deep Gray
  • Starry Night (512 GB only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 450 EUR
Communication and Connectivity
Communication and Connectivity — specifications for MI-2a, nubia X.
SpecificationMI-2anubia X
SIM card
  • Mini-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat18 1200/150 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for MI-2a, nubia X.
SpecificationMI-2anubia X
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Secondary display (on the back): OLED
  • 5.1 inches
  • 720 x 1520 pixels
  • Corning Gorilla Glass 3
  • DTS HD sound -32-bit/384kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for MI-2a, nubia X.
SpecificationMI-2anubia X
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Dual fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 4.0)