CPU core performance scaling

CPU Perf scaling

On this page we show some performance relative to CPU cores, e.g. differences based on the number of CPU cores. Our X99 based motherboard can independently control the number of CPU cores of our Core i7 5960X in the sense they can be disabled / enabled. 
 

So basically with our motherboard we start to disable CPU cores as shown in the above BIOS screenshot. We leave hyper-threading enabled. Our CPU per core is clocked at 4.3 GHz and we drop from 8 towards 6, 4 and 1 cpu cores enabled. I'll be using FCAT for measurements as that way we can display the tiniest of differences in performance.
  

We measure at Quad HD (2560x1440) and we use a 30 seconds run of the intro start of the game where you walk towards to village. That would be the first 30 seconds of the video shown above, so that is the scenery and scene we measure.

The above chart is an FPS plot relative to time-frames. Even with two CPU core the game performs roughly as fast as one with eight cores. Let's zoom in with frame latency though:

Here lower is better. Aside from a few frame-drops (means nothing) we see reasonably consistent performance on a GeForce GTX 1070. So this is the difference in-between 2-4-6 and 8 cores. We do have hyper-threading enabled. The result set is based on DirectX 12 with ASync compute enabled.