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Apple iPhone X vs Oppo A31

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    iPhone X:
    OLED
    A31:
    LCD
  • Weight

    iPhone X: 6 g lighter

    iPhone X:
    174 g
    A31:
    180 g
  • Width

    iPhone X: 4.6 mm narrower

    iPhone X:
    70.9 mm
    A31:
    75.5 mm
  • Screen diagonal

    iPhone X: 0.7 in smaller diagonal

    iPhone X:
    5.8 in
    A31:
    6.5 in
  • Rear camera layout

    iPhone X:
    Dual
    A31:
    Triple
  • Depth

    iPhone X: 0.6 mm thinner

    iPhone X:
    7.7 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. iPhone X

    Height:
    143.6 mm
    Width:
    70.9 mm
    Depth:
    7.7 mm
  2. 2. A31

    Height:
    163.9 mm +20.3 mm versus iPhone X
    Width:
    75.5 mm +4.6 mm versus iPhone X
    Depth:
    8.3 mm +0.6 mm versus iPhone X

Weight

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

  1. 1. iPhone X

    174 g

  2. 2. A31

    180 g

    +6 g versus iPhone X

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. iPhone X

    Screen diagonal:
    5.8 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    82.6 cm²
  2. 2. A31

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

A31 has approximately 23.5% more rectangular screen area than iPhone X.

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 iPhone X, A31, compared at the same storage capacity.
StorageiPhone XA31
64 GB 3 GB RAM Not recorded
128 GB Not recorded 4 GB RAM
256 GB 3 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. iPhone X

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

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. iPhone X

    2716 mAh

  2. 2. A31

    4230 mAh

    +1514 mAh versus iPhone X

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. iPhone X2. A31

Everyday essentials
Everyday essentials — specifications for iPhone X, A31.
SpecificationiPhone XA31
Dimensions (HxWxD)
  • 143.6 Х 70.9 Х 7.7 mm
  • 163.9 Х 75.5 Х 8.3 mm
Weight
  • 174 g
  • 180 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 5.8" inch
  • 6.5" inch
Screen resolution
  • 1125 x 2436 px
  • 720 x 1600 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/256 GB
  • 3 GB RAM
  • 128GB 4GB RAM
Memory card support
  • No
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2716 mAh
  • Non-removable Li-Ion
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • iOS 11.1.1
  • upgradable to iOS 12.1.3
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Apple A11 Bionic (10 nm)
  • Mediatek MT6765V/CB Helio P35 (12nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for iPhone X, A31.
SpecificationiPhone XA31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 84.4 cm2
  • 102.0 cm2
Screen format
  • 19.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 82.9%
  • 82.4%
PPI /points per inch/
  • 458 PPI
  • 270 PPI
Screen protection
  • Scratch-resistant glass
  • oleophobic coating
Unknown
Camera and Video

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

Camera and Video — specifications for iPhone X, A31.
SpecificationiPhone XA31
Rear camera, main
  • 12 MP
  • Dual
  • 12 MP
  • Triple
Camera specs
  • 12 MP
  • f/1.8
  • 28mm (wide)
  • 1/3''
  • 1.22µm
  • OIS
  • PDAF -12 MP
  • f/2.4
  • 52mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • PDAF
  • 2x optical zoom
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 7 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 7 MP
  • f/2.2
  • 32mm (standard)
  • 8 MP
  • f/2.0
DxOMark Main Score *
  • 97
Unknown
DxOMark Photo *
  • 74
Unknown
DxOMark Video *
  • 66
Unknown
DxOMark Selfie Score *
  • 71
Unknown
Performance

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

Performance — specifications for iPhone X, A31.
SpecificationiPhone XA31
Processor CPU
  • Hexa-core 2.39 GHz (2x Monsoon + 4x Mistral)
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Apple GPU (three-core graphics)
  • PowerVR GE8320
Antutu 7 score *
  • 245200
Unknown
GeekBench 4 Single Core *
  • 3226
Unknown
GeekBench 4 Multi-Core *
  • 11951
Unknown
Antutu 8 score *
  • 316142
  • 105221
General specs
General specs — specifications for iPhone X, A31.
SpecificationiPhone XA31
Release date
  • 2017
  • September
  • 2020
  • February 13
Colors
  • Space Gray
  • Silver
  • Fantasy White
  • Mystery Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 1000 EUR
  • 180 EUR
Battery life
  • Talking time- Up to 21 h (3G) Music play - Up to 60 h
Unknown
Body build
  • Front/back glass
  • stainless steel frame
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for iPhone X, A31.
SpecificationiPhone XA31
SIM card
  • Nano-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 28(700)
  • 29(700)
  • 30(2300)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 66(1700/2100)
  • 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 (3CA) Cat12 600/150 Mbps
  • EV-DO Rev.A 3.1 Mbps
  • 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
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
  • BDS
USB
  • 2.0
  • proprietary reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.09 W/kg (head) 1.17 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for iPhone X, A31.
SpecificationiPhone XA31
Radio
  • No
  • FM radio
Others
  • Dolby Vision -HDR10 -Wide color gamut -3D Touch -True-tone -120 Hz touch-sensing
  • Active noise cancellation with dedicated mic
  • 480 nits typ. brightness
Other features
Other features — specifications for iPhone X, A31.
SpecificationiPhone XA31
Dop
  • Sensors Face ID
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer - Fast battery charging: 50% in 30 min -Qi wireless charging -Siri natural language commands and dictation - IP67 dust/water resistant (up to 1m for 30 mins) -Apple Pay (Visa
  • MasterCard
  • AMEX certified) - Also known as Apple iPhone 10
  • Apple iPhone Ten Versions: A1865 (USA
  • Hong Kong
  • Australia
  • New Zealand
  • China) A1901 (EMEA
  • UAE
  • LATAM
  • Canada
  • USA AT&T/T-Mobile
  • Singapore)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass