Performance comparisons are rounded values Safari scored higher than other browsers across these benchmarks at the time of testing.

Testing conducted by Apple in September 2021 using JetStream 2, MotionMark 1.2, and Speedometer 2.0 performance benchmarks.

Performance will vary based on system configuration, application workload, and other factors.

Not all features are available on all devices. Prerelease Safari 15.0 tested with HD 1080p content Chrome v.61, Microsoft Edge v94.0.992.31, and Firefox v92.0.1 tested with HD 720p content. Systems tested with WPA2 Wi-Fi network connection while running on battery power, with display brightness set to 8 clicks from bottom or 50%.

Testing conducted by Apple in September 2021 on production 13-inch MacBook Pro systems with Apple M1, 8GB RAM, 256GB SSD, and prerelease macOS Monterey.

Performance will vary based on usage, system configuration, network connection, and other factors. Tested with prerelease Safari 15.0 and Chrome v.61. Tested on production 13-inch MacBook Pro systems with Apple M1, 8GB RAM, 256GB SSD, and prerelease macOS Monterey.

Testing conducted by Apple in September 2021 by measuring page load performance of snapshot versions of 10 popular websites under simulated network conditions.

Performance will vary based on system configuration, network connection, and other factors. Tested with prerelease Safari 15.0 with WPA2 Wi-Fi network connection. Tested on preproduction 16-inch MacBook Pro systems with Apple M1 Max, 10-core CPU, 32-core GPU, and 64GB of RAM, as well as production 2.4GHz 8-core Intel Core i9-based 16-inch MacBook Pro systems with Radeon Pro 5600M graphics with 8GB of HBM2 and 64GB of RAM, all configured with 8TB SSD and prerelease macOS Monterey. Devices tested with a WPA2 Wi-Fi network connection. Tested with prerelease Safari 15 and latest stable versions of Chrome, Microsoft Edge, and Firefox at the time of testing on: 13-inch MacBook Pro systems with Apple M1 and prerelease macOS Monterey, and Intel Core i7-based PC systems with Intel Iris Xe Graphics and Windows 10 Pro iPad Pro 12.9-inch (5th generation) units with prerelease iPadOS 15, and Intel Core i7-based PC systems with Intel Iris Xe Graphics and Windows 10 Pro and iPhone 12 Pro Max with prerelease iOS 15, and Qualcomm Snapdragon 888-based smartphones with Android 11.

Testing conducted by Apple in August and September 2021 using JetStream 2, MotionMark 1.2, and Speedometer 2.0 performance benchmarks.