Oppo A31 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

    A31: 35 g lighter

    A31:
    180 g
    Nubia X6:
    215 g
  • Width

    A31: 13.5 mm narrower

    A31:
    75.5 mm
    Nubia X6:
    89 mm
  • Rear camera layout

    A31:
    Triple
    Nubia X6:
    Single
  • Height

    A31: 15.6 mm shorter

    A31:
    163.9 mm
    Nubia X6:
    179.5 mm
  • Release year

    A31:
    2020
    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. A31

    Height:
    163.9 mm
    Width:
    75.5 mm
    Depth:
    8.3 mm
  2. 2. Nubia X6

    Height:
    179.5 mm +15.6 mm versus A31
    Width:
    89 mm +13.5 mm versus A31
    Depth:
    7.9 mm

Weight

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

  1. 1. A31

    180 g

  2. 2. Nubia X6

    215 g

    +35 g versus A31

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. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 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 12.1% more rectangular screen area than A31.

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 A31, Nubia X6, compared at the same storage capacity.
StorageA31Nubia X6
128 GB 4 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. A31

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

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. A31

    4230 mAh

  2. 2. Nubia X6

    4250 mAh

    +20 mAh versus A31

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. A312. Nubia X6

Everyday essentials
Everyday essentials — specifications for A31, Nubia X6.
SpecificationA31Nubia X6
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 179.5 Х 89 Х 7.9 mm
Weight
  • 180 g
  • 215 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.5" inch
  • 6.44" inch
Screen resolution
  • 720 x 1600 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 32/64 GB
  • 2 GB RAM/ 128 GB
  • 3 GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 4250 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 4.3 (Jelly Bean)
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
  • Qualcomm MSM8974AB/ MSM8974AC Snapdragon 801 (28 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A31, Nubia X6.
SpecificationA31Nubia X6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 114.3 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.4%
  • 71.6%
PPI /points per inch/
  • 270 PPI
  • 342 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for A31, Nubia X6.
SpecificationA31Nubia X6
Rear camera, main
  • 12 MP
  • Triple
  • 13 MP
  • Single
Camera specs
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
  • 13 MP
  • OIS
  • AF
Functions
  • HDR
  • Dual-LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 13 MP
Performance

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

Performance — specifications for A31, Nubia X6.
SpecificationA31Nubia X6
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Quad-core 2.3/2.5 GHz Krait 400
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 330
Antutu 7 score * Unknown
  • 38123
Antutu 8 score *
  • 105221
Unknown
General specs
General specs — specifications for A31, Nubia X6.
SpecificationA31Nubia X6
Release date
  • 2020
  • February 13
  • 2014
  • March
Colors
  • Fantasy White
  • Mystery Black
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 350 EUR
Battery life Unknown
  • Stand by time- Up to 695 h Talking time- Up to 32 h (2G) / Up to 17 h (3G)
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A31, Nubia X6.
SpecificationA31Nubia X6
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
  • 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-A
  • 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
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • BDS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 3.0
  • USB Host
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A31, Nubia X6.
SpecificationA31Nubia X6
Radio
  • FM radio
  • FM radio
Others
  • 480 nits typ. brightness
  • Dolby Mobile -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A31, Nubia X6.
SpecificationA31Nubia X6
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • 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