While GraphicsMagick is multi-threaded via OpenMP, the Core i7 7700K at $350 USD does better than the Ryzen CPUs.
The Himeno performance for AMD remains one of the most puzzling test results.
The Ryzen 7 1700 shows off well in the heavily-threaded timed Linux kernel compilation benchmark.
The Ryzen 7 1700 also does well with the C-Ray multi-threaded ray-tracer.