I am thinking about buying 2 of the brand new GTX 1080 Ti's in order to future proof my PC (using SLI obviously) but I am worried that my i7-6700k Quad-Core 3.4GHz OC @ 3.9GHz will bottleneck these GPUs. Am I actually ok with my CPU or do I need to upgrade to avoid bottlenecking the GPUs?
CPU Bottleneck Question
- Thread starter Mitch1999
- Start date
Do you need both cards now? You could always buy another in a couple of years time and upgrade your CPU at the same time.
Anyway, yes there would be some sort of bottleneck with such powerful cards in SLI, but it's not going to be enough to cause any major issues. Most likely you will be seeing lower frame rates than you should for those cards, apart from that everything should still run smooth....it's more an issue of money wasted if you're not going to get the best from them, and not so much a performance issue that will ruin your game play.
Of course you can always clock that CPU up a bit, depending on your cooler, and get more performance from it.
Anyway, yes there would be some sort of bottleneck with such powerful cards in SLI, but it's not going to be enough to cause any major issues. Most likely you will be seeing lower frame rates than you should for those cards, apart from that everything should still run smooth....it's more an issue of money wasted if you're not going to get the best from them, and not so much a performance issue that will ruin your game play.
Of course you can always clock that CPU up a bit, depending on your cooler, and get more performance from it.
- Sep 4, 2007
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Your CPU will not bottleneck these cards. The skylake/kabylake have the same IPC. So only a higher GHZ rating for intel 6000/7000 series makes a difference in FPS and at this point a solid quad core CPU is all you need for gaming. I run 2 gtx 1080s on an older i7 3930K @4.2hz and have zero issues with bottlenecking so you should be good for some time into the future GPU gen wise for SLI. Don't stress the combo at all. My biggest question is are you running a resolution like 4K to need that kind of horse power. Even 2K with max settings in gaming setting with max filtering/AA (8x by 4x to 16x by 16X) would require that much horse power for 60hz vsync but anything less would likely be overkill. @1080P two GTX 1070s would be plenty for max settings and filtering as I can do just that with two GTX 980s (but not less for 60hz vsync max setting max filtering/aa) which perform the feet with less horse power. In theory if you could SLI two GTX 1060s they would suffice at 1080P for maxing settings, filtering and AA for 60hz vsync but sadly you cannot SLI them.
Note most folks do not use max filtering and AA. Thus the reason you see posts/reviews saying a gtx 1060 6GB is enough to max 1080P out. True but not true. Only if your using in game setting and not manually setting the filtering/AA high.
Note most folks do not use max filtering and AA. Thus the reason you see posts/reviews saying a gtx 1060 6GB is enough to max 1080P out. True but not true. Only if your using in game setting and not manually setting the filtering/AA high.
- Sep 4, 2007
- 6,588
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I might try to overclock your CPU though assuming you have adequate cooling. I just did a build for my nephew with a i7 6700K and it hit 4.4ghz with 1.225 volts with arctic 240 liquid cooler in a SFF case with temps ≤80C. It had no trouble hitting 4.6+GHZ but temps were not to my liking using an AIO liquid cooler. With regular open loop cooler I have no doubt I could have pushed it to 4.8GHZ with temps ≤80C maybe even ≤70C.
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