I just leave this i9 9900k vs i7 5820k Star Citizen benchmark here in case someone is interested in. Its testet between 3.2 (no OCS) and 3.3 (w/ OCS). Read the notes
Intel i7 6700k vs 8700k Comparison Will Blow Your Mind
$15 CPU faster than 7700K? - CPUs, Motherboards, and Memory - Linus Tech Tips
Intel Core i7-7700K vs Core i7-6700K Performance Benchmarks