PSU to GPU connection doubt

Sep 6, 2018
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My new gtx 1080 requires 6pin + 8 pin connectors. My psu (evga supernova g3 750w) comes with a Y cable that can fit my 1080 but the question is, can I use two separate vga cables from the psu? both 6+2pin, also came with the psu. Is it any difference? Is te Y cable any better?

Thanks.