Windows 11 WSL 2 performance compared to Ubuntu 21.10


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  • Windows 11 and Ubuntu 21.10 are expected to be released this month.
  • The tests carried out show that the two operating systems are similar in terms of performance.
  • Similar equipment was used for the tests.

A few days before the release of Windows 11 and Ubuntu 21.10 on October 5 and 14, respectively, Phoronix has decided to test and compare the two operating systems and from the results, it seems that they are on the same length. wave.

The tests

Phoronix tested three systems; Windows Subsystem for Linux 2 (WSL 2) in Windows 11, Ubuntu 21.10 and Ubuntu 20.04 LTS system. in the test equipment, similar material was used which included;

  • Windows 11 version 22454
  • AMD Ryzen 9 5900X
  • GeForce RTX 3090
  • 16 GB of memory (8 GB for WSL).
  • WD Black SN850 1TB (2 x 275GB WSL virtual disks)


Compared to Ubuntu, it looks like WSL 2 on Windows 11 performs exceptionally well under moderate CPU usage. Conditions change when the processor is overloaded or memory and the I / O system come into play. This causes the system to lag.

In the benchmark test of the Nginx web server, WSL 2 on Windows 11, appears to take the lead by a significant margin, beating Ubuntu 21.10 and 20.04 LTS. In the 130 tests performed, it was found that Windows 11 WSL 2 is up to 6-7% slower than Ubuntu 21.10. The percentage decreases for Ubuntu 20.04 LTS.

It is important to note that the tests performed were for the Dev Channel version of Windows 11, so its performance may be slightly different from the public version of Windows 11 which will be released on October 5th.

If you would like to find a more detailed assessment, you can visit here.

What do you think of the performance metrics for the two operating systems? Share your thoughts in the comments section below.


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