Not all features are available on all devices. Safari tested with HD 1080p content, Chrome and Firefox tested with HD 720p content, all on macOS. Battery life tested with display brightness set to 12 clicks from bottom or 75 percent.
“World’s fastest browser,” “industry-leading battery life,” and “loads frequently visited sites an average of 50 percent faster than Chrome”: Testing conducted by Apple in October 2020 on production 1.4GHz quad-core Intel Core i5-based 13-inch MacBook Pro systems with 8GB RAM, 256GB SSD, and prerelease macOS Big Sur.
