ZTE Libra 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.

  • Screen diagonal

    Libra: 2.76 in smaller diagonal

    Libra:
    3.5 in
    nubia X:
    6.26 in
  • Chipset

    Libra:
    Qualcomm MSM7227 Snapdragon S1
    nubia X:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Libra:
    Single
    nubia X:
    Dual
  • Release year

    Libra:
    2011
    nubia X:
    2018

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. Libra

    Height:
    Unknown
    Width:
    Unknown
    Depth:
    Unknown
    Weight:
    Unknown

    Unavailable dimensions are omitted from the drawing.

  2. 2. nubia X

    Height:
    154.1 mm
    Width:
    73.3 mm
    Depth:
    8.4 mm
    Weight:
    181 g

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. Libra

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 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 180.5% more rectangular screen area than Libra.

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.

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. Libra

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD (dedicated slot)

2. nubia X

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

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. Libra2. nubia X

Everyday essentials
Everyday essentials — specifications for Libra, nubia X.
SpecificationLibranubia X
Dimensions (HxWxD)
  • Х Х mm
  • 154.1 Х 73.3 Х 8.4 mm
Weight
  • 0 g
  • 181 g
Technology
  • TFT
  • LTPS IPS LCD
Screen size
  • 3.5" inch
  • 6.26" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 128/256/512 GB
  • 8 GB RAM 64 GB
  • 6 GB RAM
Memory card support
  • microSD (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 3800 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.1 (Eclair)
  • upgradable to 2.2 (Froyo)
  • Android 8.1 (Oreo); Nubia UI 6
Chipset
  • Qualcomm MSM7227 Snapdragon S1
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for Libra, nubia X.
SpecificationLibranubia X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 34.9 cm2
  • 97.8 cm2
Screen format
  • 5:3 (height:width)
  • 19:9 (height:width)
Screen to body ratio Unknown
  • 86.6%
PPI /points per inch/
  • 267 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Libra, nubia X.
SpecificationLibranubia X
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 3.15 MP
  • 16 MP
  • f/1.8
  • PDAF -24 MP
  • f/1.7
  • PDAF
Functions Unknown
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 16 MP
  • Dual
Specifications Unknown
  • Uses main cameras
Performance
Performance — specifications for Libra, nubia X.
SpecificationLibranubia X
Processor CPU
  • 600 MHz ARM 11
  • Octa-core (4x2.65 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 200
  • Adreno 630
General specs
General specs — specifications for Libra, nubia X.
SpecificationLibranubia X
Release date
  • 2011
  • February
  • 2018
  • October
Colors
  • Black
  • Silver
  • 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.
  • 190 EUR
  • 450 EUR
Communication and Connectivity
Communication and Connectivity — specifications for Libra, nubia X.
SpecificationLibranubia 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
  • HSPA 42.2/5.76 Mbps
  • LTE-A (6CA) Cat18 1200/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot (Android 2.2)
  • Wi-Fi 802.11 b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 2.1
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Libra, nubia X.
SpecificationLibranubia X
Radio
  • FM radio
  • No
Others Unknown
  • 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 Libra, nubia X.
SpecificationLibranubia X
Dop
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input - Also known as ZTE X880
  • Sensors Dual fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 4.0)