Tested using Logic Pro X 10.4.7 with project consisting of 253 tracks, each with an Amp Designer plug-in instance applied. Testing conducted by Apple in October 2019 using pre-production 2.4GHz 8-core Intel Core i9–based 16-inch MacBook Pro systems with 64GB of RAM and shipping 3.1GHz quad-core Intel Core i7–based 15-inch MacBook Pro systems with 16GB of RAM.1GB = 1 billion bytes and 1TB = 1 trillion bytes actual formatted capacity less.
