Testing conducted by Apple in October 2020 using preproduction MacBook Air systems with Apple M1 chip and 8-core GPU, configured with 8GB of RAM and 512GB SSD.Performance tests are conducted using specific computer systems and reflect the approximate performance of MacBook Air and selected PC model. All claims depend on usage, settings, network configuration, and many other factors actual results will vary. Productivity application performance tested using Microsoft Excel for Mac Version 16.48, and Microsoft Excel for Windows Version 2103. Speedometer 2.0 and prerelease MotionMark 1.2 performance benchmarks tested with Safari 14.1 on macOS Big Sur, and Chrome v.90 on Windows 10, with WPA2 Wi-Fi network connection. Best-selling system based on commercial sales data from indirect B2B resellers in the United States for PC laptops in the same price range from January 2020 to April 2021. Testing conducted by Apple in May 2021 using production MacBook Air systems with Apple M1 chip, 7-core GPU, and macOS Big Sur, as well as production Intel Core i5-based PC systems with Intel Iris Xe Graphics and the latest version of Windows 10 available at the time of testing.Performance tests are conducted using specific computer systems and reflect the approximate performance of MacBook Pro. Prerelease Final Cut Pro 10.6 tested using a complex 2-minute project with 4K ProRes 422 media. Testing conducted by Apple in September 2021 using preproduction 14-inch MacBook Pro systems with Apple M1 Max, 10-core CPU, 32-core GPU, 64GB of RAM, and 8TB SSD, as well as production 2.3GHz quad-core Intel Core i7-based 13-inch MacBook Pro systems with Intel Iris Plus Graphics, 32GB of RAM, and 4TB SSD.Performance tests are conducted using specific computer systems and reflect the approximate performance of MacBook Air. Tested with prerelease Final Cut Pro 10.5 using a 55-second clip with 4K Apple ProRes RAW media, at 4096x2160 resolution and 59.94 frames per second, transcoded to Apple ProRes 422. Testing conducted by Apple in October 2020 using preproduction MacBook Air systems with Apple M1 chip and 8-core GPU, as well as production 1.2GHz quad-core Intel Core i7-based MacBook Air systems, all configured with 16GB RAM and 2TB SSD.