Core i9-13900KF vs Core i9-13900K

Both the Core i9-13900KF and Core i9-13900K share an identical 24-core/32-thread configuration. Boost clocks reach 5.7 GHz on the Core i9-13900KF versus 5.7 GHz on the Core i9-13900K — identical boost frequencies (base: 3 GHz vs 3 GHz). Both are built on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture using a Intel 7 nm process. In PassMark, the Core i9-13900KF scores 57,743 against the Core i9-13900K's 58,373 — a 1.1% lead for the Core i9-13900K. Cinebench R23 multi-core: 39,565 vs 40,000 (1.1% advantage for the Core i9-13900K). Geekbench 6 single-core — the metric most relevant to gaming — records 2,946 vs 2,985, a 1.3% lead for the Core i9-13900K that directly translates to higher frame rates. Multi-core Geekbench: 19,878 vs 19,967 (0.4% advantage for the Core i9-13900K). Both processors carry 36 MB (total) of L3 cache.

Both processors use the LGA1700 socket with PCIe 5.0. Both support up to DDR5-5600 memory speed. Both support up to 192 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: Intel Z790,Intel Z690 (Core i9-13900KF) and Intel Z790,Intel Z690 (Core i9-13900K).

Both processors feature an unlocked multiplier for overclocking. Both support true virtualization. The Core i9-13900K includes integrated graphics (Intel UHD Graphics 770), while the Core i9-13900KF requires a dedicated GPU. Primary use case: Core i9-13900KF targets Desktop, Core i9-13900K targets Desktop.

The Core i9-13900KF launched at $599 MSRP, while the Core i9-13900K debuted at $599. At current prices ($480 vs $500), the Core i9-13900KF is $20 cheaper. In terms of value (PassMark points per dollar), the Core i9-13900KF delivers 120.3 pts/$ vs 116.7 pts/$ for the Core i9-13900K — making the Core i9-13900KF the 3% better value option.