IBM Says Google’s Quantum Leap Was a Quantum Flop

The paper used the results to estimate that a top supercomputer would need approximately 10,000 years to match what Sycamore did in 200 seconds.

IBM, which developed Summit, says the supercomputer could have done that work in 2 ½ days, not millennia—and potentially even faster, given more time to finesse its implementation.

By that measurement it is still is 1000x faster.