My loyal Z77-DS3H Daily Driver Desktop i built back in 2013. Running 10.12.6 seen every version of OS X from 10.8.2. Pretty impressed with the score.
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Wow. That's really great performance from an i7-3770. My HP Elite 8300 with same CPU can't even hit 14K in multi-core... I guess that's the difference between Z77 vs Q77...
It all depends on what hardware you have. Z77 Chipset is native & Native Powermanagement is also implemented. Recommend checking wether AppleLPC is loaded or not.
I checked and AppleLPC is not loaded, only LPCB.
I think the system is just considerably slower than your Z77 system. I ran Geekbench 4.1.1 in Windows and got scores slightly less than what I got in macOS.
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