theyeti87 :
simpleacc :
mcconkeymike :
A big question here is what resolution are you going to be gaming at? If you are gaming at 1080p then buying a GTX1080 would be a waste. If at 1080p 60hz then a GTX 1060 6gb is the sweetspot. If at 1080p 120 or 144hz or at 1440p, then you'll want a GTX1070. If you are wanting stupid high end 1440p or 4k, then you want the GTX1080. But for your question, yes an i7-920 would bottleneck you in CPU bound games, but GPU bound games then you should be fine.
Hmmm... I will play at 1080p. So... do you recommend me a 1070? Maybe I should do it, but... with which CPU? I prefer a Intel socket, not AMD :S I saw this one Intel Core i5-6500 and someone recommended me it but... I am not sure if it is a good option change my i7 for this...
Hello Simpleacc,
A 1080 will be bottlenecked in your system. I have a 1060 6GB paired with an i7-950 on a X58 chipset & pcie 2.0. In my setup, the 1060 6GB can achieve about 85% of it's full potential. I doubt that my CPU is the bottleneck(OC to 3.77Ghz), but rather the pcie 2.0 slot.
At 1080 resolution, go with a GTX1060, because a faster GPU will be wasted due to bottleneck.
pretty sure pcie 2.0 wont affect performance more than a few percent. not 15%. I think that is in fact a CPU bottleneck that you are experiencing
OP - if youre going to be playing 1080p 60hz with no plan to upgrade your monitor any time soon, i would either get a 1060 6gb or a 1070. the 1070 is a big more powerful than a 980 ti. Depending on the game, even a 980ti gets stressed on 1080p.
as for your CPU, it will definitely still bottleneck a 1070 or 1080.
one option if you had the budget for a 1080. drop to a 1060 or 1070, and pick up an i5 6600, h110 motherboard, and 8 or 16gb of ddr4 ram.
that should give you a solid increase