Chronos is one of the Rift’s launch titles, and at the game’s Epic detail settings, it’s one of the most graphically demanding workloads we’ve seen for VR.
Our test sequence lasts 80 seconds, starting from the protagonist’s first moments on the beach and ending before he passes through a specific doorway.
Thanks to the power of our GeForce GTX 1080 Ti, all five platforms avoid dropping into ASW mode through our Chronos benchmark. That doesn’t mean they perform similarly, though—there are clear differences in the frequency of dropped frames, indicated by red spikes in each interval chart.
We again see Intel’s Core i7-7700K achieve the lowest frame times over time. Curiously, it appears the Core i3 lands in second place, followed by the FX we’ve been recommending against. Intel’s Core i9 and AMD’s Ryzen 7 look like the last-place finishers.
Every platform enables a constant 90 FPS delivery to the Rift. But converting frame times to unconstrained FPS illustrates the differences in headroom each host processor offers.
It’s strange to see the Core i3 landing, as predicted, in second place, with AMD’s FX behind it (and ahead of Core i9/Ryzen). In a graph of CPU utilization over 60 seconds, Chronos only appears to use about 8% of our Core i7-7700K, suggesting that the game doesn’t even fully utilize one of the processor’s cores. It’s possible, then, that the fabrics and meshes touted by AMD and Intel serve to hurt the performance of their massively parallel CPUs by adding latency.
Although AMD’s FX-8350 causes the most dropped frames, Core i9-7900X and Ryzen 7 1800X do demonstrate the worst frame times in our 50th, 90th, 95th, and 99th percentile measurements. They also present some ugly worst-case frame time spikes that are clearly visible toward the end of our frame time over time line graph.
MORE: Best CPUs
MORE: All CPUs Content