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.