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⇱ Firefox 149 vs. Chrome 147 Web Browser Performance On Linux - Phoronix


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Firefox 149 vs. Chrome 147 Web Browser Performance On Linux

Written by Michael Larabel in Software on 10 April 2026 at 10:20 AM EDT. Page 3 of 4. 63 Comments.

In the JavaScript heavy benchmarks, Google Chrome continues to dominate Mozilla Firefox at least on Linux.

Firefox did pick up a slight lead over Chrome in the MotionMark benchmark focused on the browser graphics performance.

In the recent Speedometer 3.1 benchmark update that is focused on browser responsiveness, Chrome was at 1.24x the performance of Firefox.

With the aging Octane benchmark, Chrome was at 1.53x the performance.

With StyleBench for the browser's style resolution performance was another case of Firefox managing to score a win over Google Chrome on Linux.

In some simpler WebAssembly test cases, Firefox and Chrome were quite close in their performance.