Focus on single-thread efficiency.
Focus on single-thread efficiency.
Hey everyone, I’m looking for some clarification on single-core performance in gaming. I’ve recently started playing iRacing more seriously and have been benchmarking to improve my setup. From what I’ve gathered, iRacing runs on DX11 and depends a lot on CPU power. It uses just two threads—one for physics, one for rendering. There’s a metrics window that displays CPU and GPU render times, helping identify bottlenecks. I’ve adjusted my settings so the GPU struggles in offline runs, but online performance drops when more cars are added.
My system is a 3K 1080P monitor with 144Hz, an i7-6700K processor, 1660 super, and 16GB RAM. I’ve overclocked the CPU to 4.7GHz without hyperthreading enabled. Using passmark data, my single-thread speed matches high-end 9th-gen CPUs.
My main question is whether upgrading to an AMD processor with more threads would help. Since I only use two threads, adding more might not make a difference. What do you think?
Higher IPC gives AMD CPUs an edge at identical clock speeds compared to Intel. Still, Intel maintains an advantage in single-thread performance. A 32-core processor won't necessarily help much. The Ryzen 3700X is likely to beat your current setup, though the 9900K will probably surpass it. For racing performance, choose the fastest clocked chip you can afford. Use the best cooler and push the settings further. But if you're patient, check upcoming Ryzen releases before buying.
1 thread game engine 1 thread physics 1 gpu for render. Passmark with a grain of salt. Your 6700K has about the same epeen as a 3600X (give or take coule percent) Can't view the pictures. Yes. your upgrade path would be current gen Intel or wait till later this year when AMD releases Zen3 or Zen2+ or what ever the 7nm+ refresh is gonna be. 4000 sreies I think will have some better IPC and higher base and boost clocks. Should be some good processors released later this year for sure.
Don't be sure about it. It seems my OC'd 6700k should match a stock 9900K in terms of frame rate according to passmark data. I'm not sure, but I think single-thread performance is the main factor here—only with 4 cores or more do you see a big difference. Current CPUs won't noticeably boost frame rate.