Today the Intel Core i9 9900KS is shipping at $513 USD for this specially-binned Coffeelake CPU that is capable of achieving a 5.0GHz all-core turbo frequency. The all-core 5.0GHz turbo is great, but it remains an eight-core / sixteen-thread 14nm processor going up against AMD's similarly priced Ryzen 9 3900X. Here are our initial benchmarks of the Core i9 9900KS compared to the Core i9 9900K and Ryzen 9 3900X.