Does the oculus rift work with an i7 990x processor (LGA1366) ? Because the Oculus Compatibility Tool say no. But Intel Core i5-4590 @ 3.30GHz bench score is 7234 and Intel Core i7-990X @ 3.47GHz bench score is 9158
Check single thread ratings on passmark, which you already did, and compare to CPU's that are listed as the minimum spec. If it beats those, then you're in good shape. This assumes you have enough USB 3 ports on your PC, but those are easy enough to add if you don't.