An Early Look At Windows 11 WSL2 Performance Against Ubuntu Linux
Written by Michael Larabel in Operating Systems on 6 July 2021. Page 4 of 4. 15 Comments

When I/O is involved, the WSL2 performance tends to still be much slower than having a bare metal Linux installation but at least better than the original WSL (WSL1) performance.

It ultimately comes down to what workloads you intend to run under Windows Subsystem for Linux and how much I/O is involved for how well it can perform relative to a bare metal Linux installation.

See more of the early Windows 11 WSL2 benchmarks via this result file. Again, keep in mind this is still an early Windows 11 build and when the official Microsoft Windows 11 debut happens later in 2021 I will be back around with plenty more benchmarks on multiple systems once the Windows 11 RTM release is available. Also at that stage the graphics/GPU support within WSL2 should be more mature for Linux benchmarking. In any case at least for CPU-heavy workloads the WSL2 performance continues to be quite similar to Ubuntu Linux itself.

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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter or contacted via

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