![]() We used our standard Z390 and X570 test platforms that you can read more about here with the only difference being both used a Patriot Scorch 256GB NVMe M.2 PCIe Solid State Drive. Memory was set to 3400MHz with CL16 timings on both systems. Intel Hyper-Threading and AMD Simultaneous MultiThreading ( SMT) was disabled, so we ended up to 8-core, 8-thread processors running locked at 4.0 GHz. We then disabled four cores on the AMD Ryzen 9 3900X to bring the core count down from 12 to 8. To accomplish this we headed into the UEFI of both motherboards and set the multiplier to 40. Setting up our IPC test was slightly complicated as we needed both processors to run at the same clock speed with the same number of cores and threads. The AMD Ryzen 9 3900X and Intel Core i9-9900K are still on the test bench, so we figured why not? It has been a long time since we’ve taken two processors with the same number of cores and clock speeds for some proper IPC testing here on the site. ![]() AMD claimed its new 3rd Gen Ryzen CPUs had a 25% increase in IPC (Instructions Per Cycle) and that got us thinking. Our testing showed that AMD led many of the heavily threaded tests since they had more cores, but Intel was still the single-threaded performance leader. AMD’s new 3rd Gen Ryzen processors that are built on the 7nm manufacturing process helped close the performance gap with Intel when they launched last month. ![]()
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