https://wccftech.com/intel-core-i5-10400-has-been-pictured-and-detailed-mid-range-processor-for-gaming/

Intel's upcoming Core i5-10400 processor, based on the company's 10th generation, 14nm "Comet Lake-S" silicon has been pictured. With the 10th generation, Intel is looking to bolster its Core i5 desktop processor series by introducing HyperThreading and increased L3 cache to existing price-points.

Intel's Core i5-10400 is a 6-core / 12-thread processor with 12 MB of shared L3 cache at its disposal, compared to 9th and 8th generation Core i5 desktop chips being 6-core/6-thread with 9 MB of L3 Cache.