Difference between Intel Core i9-9900K and Intel Core i9-9900X: specifications

Comparison of technical details between Intel Core i9-9900K processor and Intel Core i9-9900X. With the number of cores, threads, the amount of L3 cache, the number of PCIe maximum lines, the TDP in watts.

SpecificationsIntel Core i9-9900XIntel Core i9-9900K
Model familySkylake-XCoffee Lake Refresh
Release date2018 Q42018 Q3
Build14 nm++14 nm++
Cores108
Threads2016
Base frequency3.5 GHz3.6 GHz
Turbo frequency4.4 GHz5.0 GHz
Memory cache L319.25 MB16 MB
Max memory size128 GB64 GB
Memory typesDDR4-2666DDR4-2666
Max PCIe lanes4416
TDP165 W95 W
Geekbench 4 Single-core5,3036,139
Geekbench 4 Multi-core35,72533,052
EbayIntel Core i9-9900XIntel Core i9-9900K

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weborusSzabby Recent comment authors
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Szabby

This chart is completely misleading with false information! Why don’t you guys investigate things first before uploading something like this? The maximum memory 9900K can handle is 64GB (and NOT 128GB). Furthermore, 9900K has ONLY 16 PCIe lanes (and NOT 48 as stated above).