Here we present the average clock speed for each graphics card while running the 3DMark Fire Strike Ultra stress test for 30 minutes. We use GPU-Z to record the GPU core frequency during the Fire Strike Ultra runs. We calculate the average core frequency during the 30 minute run to present here.
Taken across our 30 minute stress test, the TUF Gaming X3 averaged 1692MHz. This is 5% faster than the reference card, which averaged 1613MHz. Our testing had the ASUS card 2% faster in games, so the frequency doesn't scale perfectly with in-game performance, but I guess it is better than nothing.