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Google plans to continue to optimize Energy Saver mode in the future. To boost battery life, Google made changes that include tuning iframes to consume less energy, tweaking JavaScript timers to wake the CPU less often, streamlining data structures to optimize access, and eliminating unnecessary redraws. With improvements to Energy Saver mode, browsing time is extended for another 30 minutes by reducing unnecessary background tasks, and while Google uses the ‌M2‌ MacBook Pro as an example, the company says that those using older Macs will also see performance gains. In a blog post shared today, Google says that with a single full charge, a 13-inch M2 MacBook Pro running Chrome can be used to browse the internet for 17 hours or watch YouTube for 18 hours. This results in less energy consumed to reduce short-term memory usage (without impact on long-term memory usage).The latest version of the Google Chrome browser designed for Macs includes optimizations that are designed to preserve battery life.

We implemented similar optimizations for changes to the Chrome UI.”

We modified Chrome to detect those early and bypass the unnecessary style, layout, paint, raster and gpu steps. Eliminating unnecessary redraws: “We navigated on real-world sites with a bot and identified Document Object Model (DOM) change patterns that don’t affect pixels on the screen.Meanwhile, Google uses this open-source benchmarking suite to run tests, and says that users will also “see performance gains on older models.” Four changes from waking the CPU less often to tuning memory compression are specifically credited: Battery life varies by use and configuration. The Apple TV app movie playback test measures battery life by playing back HD 1080p content with display brightness set to 8 clicks from bottom.

The wireless web test measures battery life by wirelessly browsing 25 popular websites with display brightness set to 8 clicks from bottom. Testing conducted by Apple in May 2022 using preproduction 13-inch MacBook Pro systems with Apple M2, 8-core CPU, 10-core GPU, 8GB of RAM, and 256GB SSD. It showed that you can “browse for 17 hours or watch YouTube for 18 hours.”įor comparison, Apple touts up to 17 hours of wireless web browsing, and up to 20 hours Apple TV app movie playback. Google conducted testing on a MacBook Pro (13”, M2, 2022 with 8 GB RAM running macOS Ventura 13.2.1) with Chrome 1.100 in February of 2023. After widely rolling out an Energy Saver mode, Google has made four optimizations to Chrome for Mac that allows the browser to match the battery life you get when using Safari.ĩto5Google has a rebooted newsletter that highlights the biggest Google stories with added commentary and other tidbits.