The Coffee Lake Story: Intel Core i7-8700K and Core i5-8400 Review
Media Encoding and Rendering
Audacity MP3 Encode
The Audacity audio encoding test focuses on single threaded performance, so it's no surprise to again see the new Core i7-8700K come out on top, albeit by only about 3.5% over the 7700K.
In Handbrake encoding, the 8700K is about 40% faster than the 7700K, and in fact, even the Core i5-8400 is able to encode our test video at a faster pace. Both the Ryzen 7 1800X and 1700X are able to best the Core i7-8700K, as the added cores and threads are being utilized heavily. (Red bars are scores using QuickSync.)
X264 Benchmark 5.0.1
In the lightly threaded and load first pass of this test, the Core i7-8700K gives us a score that is 34% faster than the 7700K and that is still faster than the Ryzen 7 family. In pass 2, the 8700K is 44% faster than the 7700K. The Ryzen 7 1800X and 1700X are still holding their own, keeping the Core i7-8700K at bay. Note as well that the new Core i5-8400, with 6-cores and no HyperThreading, is actually faster than the 7700K!
Single threaded results in Cinebench continue to drive home the story of the 8700K’s dominance in these types of workloads. It is 6% faster than the 7700K and 28% ahead of the Ryzen 7 1800X. In the multi-threaded score, the 8700K is 47% faster than the 7700K but still falls just behind the Ryzen 7 1800X and Ryzen 7 1700X as the sheer number of cores outweigh the 8700K's per-core performance advantage. Again, the Core i5-8400 and the Core i7-7700K are neck and neck.
Results in POV-Ray are very similar to those in Cinebench, though here the Core i5-8400 has a 10% lead over the Core i7-7700K.
Blender is one of the multi-threaded workloads that shows an advantage to the Intel architecture over the AMD Ryzen systems. Here, the 6-core 8700K is able to outperform all of the Ryzen 7 processors in both of our tested workloads. Also in both workloads, the 7700K has a small edge over the Core i5-8400, but falls behind the 8700K by 48-49%!