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It has been a while since featuring a showdown of the Mozilla Firefox and Google Chrome web browsers on Linux. With some fresh benchmarks being overdue plus the new JetStream 3 browser benchmark having been announced last week, here is some fresh data for how these two dominant web browsers are competing on the modern Linux desktop from an Intel Panther Lake system running Ubuntu 26.04.

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Today's testing is providing a fresh round of the latest Firefox and Chrome releases on Linux, Firefox 149 and Chrome 147 using their official release binaries from both vendors. All testing was done on the same laptop running Ubuntu 26.04 and powered by the Intel Core Ultra X7 358H Panther Lake laptop.

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JetStream 3.0 was announced at the end of March as the latest major web browser benchmark. This updated version of JetStream is focused on intensive portions of modern JavaScript and WebAssembly web applications. This succeeds JetStream 2 that debuted back in 2019 and since then there has obviously been a lot more JavaScript and WASM usage.

Beyond JetStream 3.0, older versions of JetStream were compared for reference as well as various other web browser benchmarks on Linux. During the benchmarking process the Core Ultra X7 SoC power consumption was monitored as was the CPU and memory usage too for comparing between Firefox and Chrome in this modern browser benchmarking.



[1] https://www.phoronix.com/image-viewer.php?id=firefox-chrome-2026&image=linux_browsers_1_lrg

[2] https://www.phoronix.com/image-viewer.php?id=firefox-chrome-2026&image=linux_browsers_2_lrg

[3] https://www.phoronix.com/image-viewer.php?id=firefox-chrome-2026&image=linux_browsers_3_lrg