Core i5-12400F vs Core i9-13900F

The Core i5-12400F packs 6 cores / 12 threads, while the Core i9-13900F offers 24 cores / 32 threads — the Core i9-13900F has 18 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.5 GHz on the Core i9-13900F — a 22.2% clock advantage for the Core i9-13900F (base: 2.5 GHz vs 2 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core i9-13900F uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Core i5-12400F scores 19,532 against the Core i9-13900F's 48,934 — a 85.9% lead for the Core i9-13900F. Cinebench R23 multi-core: 12,380 vs 37,326 (100.4% advantage for the Core i9-13900F). Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 2,801, a 48.9% lead for the Core i9-13900F that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 17,199 (185.3% advantage for the Core i9-13900F). L3 cache: 18 MB (total) on the Core i5-12400F vs 36 MB (total) on the Core i9-13900F.

Both processors use the LGA1700 socket with PCIe 3.0. Both support up to DDR5-4800, DDR4-3200 memory speed. The Core i9-13900F supports up to 192 GB of RAM compared to 128 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and LGA1700 (Core i9-13900F).

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d (Core i9-13900F). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

The Core i5-12400F launched at $174 MSRP, while the Core i9-13900F debuted at $524. At current prices ($110 vs $536), the Core i5-12400F is $426 cheaper. In terms of value (PassMark points per dollar), the Core i5-12400F delivers 177.6 pts/$ vs 91.3 pts/$ for the Core i9-13900F — making the Core i5-12400F the 64.2% better value option.