Poor performance in guests on hackintosh

I have an x99 hackintosh that runs great, but when I install vms on it they run extremely sluggish, where as when I run the same vm on my windows partition they run very well. My specs are as follows:

Intel i7 5820

GTX 1070

16GB 2400 RAM

240GB Sata SSD

GIGABYTE GA x99 Phoenix

Any help will be much appreciated

submitted by /u/julianfuckyou
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