Hi, I currently have a system with a gtx 1080 ti, a 4790k at 4.6 ghz, 16 gb of 2400 MHz ddr3 ram, and a 750 w power supply. My brother has a system with a gtx 1080, 7700k, 16 gb of 3200 MHz ram, and a 750 w psu as well. What is strange is that, we both game at 1440p , and when we compare frames, he is usually at the same or near the same fps. In some games, my lows are actually 5-10 fps worse than his. So I have some theories, 1 is that while my 4790k isn't a bottleneck per say, but it can't keep up as well and so my frames are lower or on par with a gtx 1080? My 2nd is that my ddr3 ram is really slow and is stopping the 1080ti from performing as well as a 1080 on high speed ddr4. So, are these what's likely causing the issue? I should say that my frames are in no way bad, I'm maxing out games fine with 80-140 fps, but its concerning that my brother with a worse graphics card(gtx 1080) often has the same framerates or even better framerates. Not huge differences, 5-10, but still, a ti is 15-30 percent better. So, do you think that the cpu and ram are what's limiting my system to get full fps potential? I'm thinking about getting an 8700k, so it would be helpful to know. I should also say that cooling is not an issue at all, everything is very well cooled. The 1080ti is clocked to 2025 mhz and 5000 MHz on memory. Thank you for any and all answers 
