Huawei Mate X vs Oppo A31

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.

  • Display technology

    OLED versus LCD

    Mate X:
    OLED
    A31:
    LCD
  • Weight

    A31: 115 g lighter

    Mate X:
    295 g
    A31:
    180 g
  • Width

    A31: 2.8 mm narrower

    Mate X:
    78.3 mm
    A31:
    75.5 mm
  • Screen diagonal

    A31: 1.5 in smaller diagonal

    Mate X:
    8 in
    A31:
    6.5 in
  • Rear camera layout

    Mate X:
    Quad
    A31:
    Triple
  • Depth

    A31: 2.7 mm thinner

    Mate X:
    11 mm
    A31:
    8.3 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. Mate X

    Height:
    161.3 mm
    Width:
    78.3 mm +2.8 mm versus A31
    Depth:
    11 mm +2.7 mm versus A31
  2. 2. A31

    Height:
    163.9 mm +2.6 mm versus Mate X
    Width:
    75.5 mm
    Depth:
    8.3 mm

Weight

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

  1. 1. Mate X

    295 g

    +115 g versus A31

  2. 2. A31

    180 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. Mate X

    Mate X: Screen geometry unavailable or conflicting.

  2. 2. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²

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 Mate X, A31, compared at the same storage capacity.
StorageMate XA31
128 GB Not recorded 4 GB RAM
512 GB 8 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Mate X

NFC:
Yes
Headphone jack:
No
Memory card support:
See details NM (Nano Memory) · up to 256GB (uses shared SIM slot)

2. A31

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (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. Mate X

    4500 mAh

    +270 mAh versus A31

  2. 2. A31

    4230 mAh

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. Mate X2. A31

Everyday essentials
Everyday essentials — specifications for Mate X, A31.
SpecificationMate XA31
Dimensions (HxWxD)
  • 161.3 Х 78.3 Х 11 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 295 g
  • 180 g
Technology
  • OLED
  • IPS LCD
Screen size
  • 8" inch
  • 6.5" inch
Screen resolution
  • 2200 x 2480 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 GB
  • 8 GB RAM
  • 128GB 4GB RAM
Memory card support
  • NM (Nano Memory)
  • up to 256GB (uses shared SIM slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4500 mAh
  • Non-removable Li-Po
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); EMUI 9.1
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • HiSilicon Kirin 980 (7 nm)
  • Mediatek MT6765V/CB Helio P35 (12nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Mate X, A31.
SpecificationMate XA31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 205.0 cm2
  • 102.0 cm2
Screen format Unknown
  • 20:9 (height:width)
Screen to body ratio
  • 86.9%
  • 82.4%
PPI /points per inch/
  • 0 PPI
  • 270 PPI
Camera and Video
Camera and Video — specifications for Mate X, A31.
SpecificationMate XA31
Rear camera, main
  • 40 MP
  • Quad
  • 12 MP
  • Triple
Camera specs
  • 40 MP
  • f/1.8
  • 27mm (wide)
  • 1/1.7"
  • PDAF - 8 MP
  • f/2.4
  • 52mm (telephoto) - 16 MP
  • f/2.2
  • 17mm (ultrawide) - TOF 3D camera
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
Functions
  • Leica optics
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • HDR
Video
  • 2160p@30fps
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 40 MP
  • Quad
  • 8 MP
  • Single
Specifications
  • uses main camera
  • 8 MP
  • f/2.0
Performance

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

Performance — specifications for Mate X, A31.
SpecificationMate XA31
Processor CPU
  • Octa-core (2x2.6 GHz Cortex-A76 & 2x1.92 GHz Cortex-A76 & 4x1.8 GHz Cortex-A55)
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Mali-G76 MP10
  • PowerVR GE8320
Antutu 8 score *
  • 367308
  • 105221
General specs
General specs — specifications for Mate X, A31.
SpecificationMate XA31
Release date
  • 2019
  • February
  • 2020
  • February 13
Colors
  • Interstellar Blue
  • Fantasy White
  • Mystery Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 2150 EUR
  • 180 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Mate X, A31.
SpecificationMate XA31
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 6(900)
  • 7(2600)
  • 8(900)
  • 9(1800)
  • 12(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 26(850)
  • 28(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) -5G - 5G NSA / Sub6 / mmWave; N41/N77/N78/N79
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A Cat21 1400/200 Mbps
  • 5G
  • HSPA 42.2/5.76 Mbps
  • LTE-A
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
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
  • BDS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Mate X, A31.
SpecificationMate XA31
Radio
  • No
  • FM radio
Others
  • Folded cover display: 6.6''
  • AMOLED
  • 1148 x 2480 pixels (19.5:9)
  • Active noise cancellation with dedicated mic
  • 480 nits typ. brightness
Other features
Other features — specifications for Mate X, A31.
SpecificationMate XA31
Dop
  • Sensors Fingerprint (side-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging 55W -Huawei SuperCharge (85% in 30 min)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass