Which Performs Better on Linux: Firefox or Chrome?

Phoronix compares the performance of Firefox and Chrome on the Linux desktop. They used recent releases (at default settings) for both browsers on an Intel Core i9 13900K "Raptor Lake" system with Radeon RX 6700XT graphics, concluding "out-of-the-box Google Chrome continues performing much better overall than Mozilla Firefox."
One area where Firefox does better out-of-the-box is around the HTML5 Canvas such as measured via the CanvasMark test case. For the demanding JetStream 2 benchmark as one