A new post on Google’s Chromium blog shares the results of the latest Chrome performance benchmarks, including record scores on tests running on an M5 MacBook Pro. Here are the details.

Google Chrome hits record-breaking performance on the Mac

Last June, Google published a post on its Chromium blog showing how Chrome’s Speedometer 3.1 benchmark score had improved across recent browser releases, from Chrome 128 to Chrome 139 dev, based on tests run on an M4 MacBook Pro running macOS 15.

Source: Speedometer 3.1 score measured on Apple Macbook Pro M4 with MacOS 15

The Speedometer benchmark, as Google explains, is “created in open collaboration with other browsers and measures web application responsiveness through workloads that cover a large variety of different areas of the Blink rendering engine used in Chrome.”