Is Legacy or UEFI boot better for WIndows 10 Home 64bit on an SSD

You can google that question or use Tom's search function. That's true. Unfortunately people fortunately ask prior to installing their new OS. I'm whittling down my boot time. I installed Win 10 on my SSD and can't remember which I chose or if it matters. I can tell my my MSI Z97 PC mate Legacy+UEFI or just one or the other. Currently it's set to both.
 
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