Thanks in advance for any help. 3DMark gives much lower score in Fire Strike (3500 SLI vs 5800 Single) and scores matched in Cloud Gate. Games play better as well with Single. Both cards test good individually. I have read my hardware is up top spec but is this the result of a bottleneck?
Hardware:
I7-875k OCd to 4.2Ghz
Antec 620 Liquid Cooler
8 Gigs DDR3 Corsair at 1550Mhz
P7P55D-E Pro Motherboard
PCI slots 8x/8x (not sure how to confirm this, but based on MB spec this should be the case)
Dual GTX 660 TIs
Win7 64 bit
Updated drivers and bios
I upgraded recently to this CPU and these video cards from an I5-661 @ 3.3Ghz with 4 Gigs DDR3 and a 550 TI. At one point I tried SLIing another 550 TI and had the same drop in performance as with the current setup. Any ideas what I can try?
Hardware:
I7-875k OCd to 4.2Ghz
Antec 620 Liquid Cooler
8 Gigs DDR3 Corsair at 1550Mhz
P7P55D-E Pro Motherboard
PCI slots 8x/8x (not sure how to confirm this, but based on MB spec this should be the case)
Dual GTX 660 TIs
Win7 64 bit
Updated drivers and bios
I upgraded recently to this CPU and these video cards from an I5-661 @ 3.3Ghz with 4 Gigs DDR3 and a 550 TI. At one point I tried SLIing another 550 TI and had the same drop in performance as with the current setup. Any ideas what I can try?
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