The iPhone 12 Pro has been shown to conquer the speed of the Samsung Galaxy Note 20 Ultra, even the Qualcomm Snapdragon 865+ edition. The Note 20 Ultra may have double the RAM that the iPhone 12 Pro offers, but Apple's new 5 nm chipset proves too much for Qualcomm's 7 nm offering.
https://www.notebookcheck.net/Apple-iPhone-12-Pro-flexes-its-muscles-in-Samsung-Galaxy-Note-20-Ultra-speed-comparison.502463.0.html