Performance will vary based on usage, system configuration, network connection and other factors. Devices tested with a WPA2 Wi-Fi network connection. Tested with pre-release 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 pre-release 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 pre-release iPadOS 15, and Intel Core i7–based PC systems with Intel Iris Xe Graphics and Windows 10 Pro and iPhone 12 Pro Max with pre-release 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.