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Firefox 120 To Firefox 141 Web Browser Benchmarks
For those curious about the direction of Mozilla Firefox web browser performance over the past year and a half, here are web browser benchmarks for every Firefox release from Firefox 120 in November 2023 through the newest Firefox 140 stable and Firefox 140 beta releases from a few days ago.
Every major Firefox release was benchmarked on the same Ubuntu Linux system with AMD Ryzen 9 9950X for evaluating the performance and memory usage of this open-source web browser. In addition to looking at the Firefox performance across a variety of web browser benchmarks, the RAM usage was also monitored for reference. The same AMD Ryzen 9 9950X desktop system running Ubuntu 25.04 was used for collecting all of these fresh Mozilla Firefox web browser benchmarks.
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