Core i5-13400F vs Core i7-11700B

The Core i5-13400F packs 10 cores / 16 threads, while the Core i7-11700B offers 8 cores / 16 threads — the Core i5-13400F has 2 more cores. Boost clocks reach 4.6 GHz on the Core i5-13400F versus 4.8 GHz on the Core i7-11700B — a 4.3% clock advantage for the Core i7-11700B (base: 2.5 GHz vs 3.2 GHz). The Core i5-13400F uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Core i7-11700B uses Tiger Lake-H (2021) (10 nm SuperFin). In PassMark, the Core i5-13400F scores 25,029 against the Core i7-11700B's 21,581 — a 14.8% lead for the Core i5-13400F. Cinebench R23 multi-core: 16,211 vs 10,287 (44.7% advantage for the Core i5-13400F). Geekbench 6 single-core — the metric most relevant to gaming — records 2,407 vs 2,265, a 6.1% lead for the Core i5-13400F that directly translates to higher frame rates. Multi-core Geekbench: 11,408 vs 10,050 (12.7% advantage for the Core i5-13400F). L3 cache: 20 MB (total) on the Core i5-13400F vs 24 MB (total) on the Core i7-11700B.

The Core i5-13400F uses the LGA1700 socket (PCIe 5.0), while the Core i7-11700B uses FCBGA1787 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-13400F versus DDR4-3200 on the Core i7-11700B — the Core i5-13400F supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13400F supports up to 192 GB of RAM compared to 128 GB — 50% 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 i5-13400F) and HM570,QM580,WM590 (Core i7-11700B).

Neither processor supports overclocking. Only the Core i7-11700B supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i7-11700B includes integrated graphics (Intel UHD Graphics 750), while the Core i5-13400F requires a dedicated GPU. Primary use case: Core i5-13400F targets Gaming, Core i7-11700B targets Desktop. Direct competitor: Core i5-13400F rivals Ryzen 5 7600.

At launch, the Core i5-13400F was priced at $196, while the Core i7-11700B came in at $323. On launch pricing ($196 vs $323), Core i5-13400F was $127 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-13400F delivers 127.7 pts/$ vs 66.8 pts/$ for the Core i7-11700B — making the Core i5-13400F the 62.6% better value option.

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