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The Core i9-10900K is Intel's 10-core, 20-thread flagship for the LGA1200 socket, built on the 14 nm Comet Lake process. It boosts to 5.3 GHz with Thermal Velocity Boost, which keeps it strong in games and lightly threaded work. It runs hot and draws a lot of power under load, and it has no PCIe 4.0 support. Against the Ryzen 9 3900X it wins on gaming frame rates but loses on multi-core throughput and efficiency. It suits gamers and general desktop users on a 400-series board who want high clocks more than core count.
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Lowest price we've seen: $176.36 on Nov 11 at Micro Center. Tracked across 10 stores since Nov 11.
Reviewers rate the i9-10900K as one of the fastest gaming CPUs of its generation, with high clocks and smooth frame rates. They also flag heavy power draw, high temperatures and a modest multi-core lead over cheaper rivals.
The Intel Core i9-10900K is a processor from the Intel Comet Lake generation. It has 10 cores and 20 threads, a 3.7 GHz clock speed, and a maximum clock speed of 5.3 GHz. It uses Turbo boost and Intel SpeedStep dynamic frequency scaling, and it has 20 MB of L3 cache.
It is built on a 14 nm process and has a 125 W TDP. Intel UHD Graphics 630 is integrated, and the processor provides 16 PCI Express lanes. It fits Intel Socket 1200 (LGA1200).
The processor supports virtualization through Intel VT-x, VT-d and EPT, and it supports the SSE4.1, SSE4.2, AES and AVX2 instruction sets. It does not support ECC memory. It comes boxed, without a fan.