当店はPCパーツを販売する専門ショップです。■CPUとご搭載いただくマザボードの相性についてご不安のある方は、ご落札前に事前に質問にてお問い合わせください。■当商品はES品ではなく正規品です。The Core i7-9700K is designed to replace the i7-8700K from the product stack, at around $400.This 8-core chip is the first Core i7 product from Intel to lack HyperThreading.Intel has also reduced the L3 cache amount from 16 MB to 12 MB, or 1.5 MB per core.Each of the eight cores can address the entire 12 MB of L3 cache.Base clock speed is a touch lower than with the i7-8700K, at 3.60 GHz vs. 3.70 GHz.The maximum Turbo Boost frequency, however, has increased to 4.90 GHz vs. 4.70 GHz, which should improve performance with less parallelized workloads.For the i7-9700K and i9-9900K, Intel is introducing soldered integrated heatspreaders, which could contribute to lower temperatures by improving heat transfer between the CPU die and metal heatspreader.