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navigator.hardwareConcurrency

Returns the number of logical processors cores of the user’s CPU. The value may be reduced to prevent fingerprinting.

Last updated on : 2023-03-20

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 14

15 - 111

2 - 47

48 - 113

4 - 36

37 - 114

3.2 - 10

10.1 - 16.4

9.5 - 23

24 - 95

Fully Supported

Partially

No Support

Specifications

HTML Standard # dom-navigator-hardwareconcurrency-dev

Browser Compatibility

navigator.hardwareConcurrency on IE is not supported on any IE versions.

navigator.hardwareConcurrency on Edge is fully supported on 15-111, and not supported on 12-14 Edge versions.

navigator.hardwareConcurrency on Firefox is fully supported on 48-113, and not supported on 2-47 Firefox versions.

navigator.hardwareConcurrency on Chrome is fully supported on 37-114, and not supported on 4-36 Chrome versions.

navigator.hardwareConcurrency on Safari is fully supported on 10.1-16.4, and not supported on 3.2-10 Safari versions.

navigator.hardwareConcurrency on Opera is fully supported on 24-95, and not supported on 9.5-23 Opera versions.

navigator.hardwareConcurrency on Safari on iOS is fully supported on 10.3-16.4, and not supported on 3.2-10 Safari on iOS versions.

navigator.hardwareConcurrency on Android Browser is fully supported on 97-111, and not supported on 2.1-4 Android Browser versions.

navigator.hardwareConcurrency on Opera Mobile is fully supported on 64-73, and not supported on 10-12 Opera Mobile versions.

navigator.hardwareConcurrency on Chrome for Android is fully supported on all Chrome for Android versions.

navigator.hardwareConcurrency on Firefox for Android is fully supported on all Firefox for Android versions.

navigator.hardwareConcurrency on Samsung Internet is fully supported on all Samsung Internet versions.

Browser Support for navigator.hardwareConcurrency

navigator.hardwareConcurrency on Chrome

navigator.hardwareConcurrency on Safari

navigator.hardwareConcurrency on Firefox

navigator.hardwareConcurrency on Internet Explorer

navigator.hardwareConcurrency on Opera

navigator.hardwareConcurrency on Edge

References

Data sourced from

High

Overall Browser Compatibility Score

Note:navigator.hardwareConcurrency shows a browser compatibility score of 92. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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