EPYC 7402 vs EPYC 9184X

The EPYC 7402 packs 24 cores / 48 threads, while the EPYC 9184X offers 16 cores / 32 threads — the EPYC 7402 has 8 more cores. Boost clocks reach 3.35 GHz on the EPYC 7402 versus 4.2 GHz on the EPYC 9184X — a 22.5% clock advantage for the EPYC 9184X (base: 2.8 GHz vs 3.55 GHz). The EPYC 7402 uses the Zen 2 (2017−2020) architecture (7 nm, 14 nm), while the EPYC 9184X uses Genoa-X (2023) (5 nm). In PassMark, the EPYC 7402 scores 46,012 against the EPYC 9184X's 47,665 — a 3.5% lead for the EPYC 9184X. L3 cache: 32 MB (total) on the EPYC 7402 vs 768 MB (total) on the EPYC 9184X.

The EPYC 7402 uses the SP3 socket (PCIe 4.0), while the EPYC 9184X uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the EPYC 7402 versus 4800 on the EPYC 9184X — the EPYC 9184X supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9184X supports up to 6144 of RAM compared to 4096 GB — 40% more capacity for professional workloads. Memory channels: 8 (EPYC 7402) vs 12 (EPYC 9184X). Both provide 128 PCIe lanes. Chipset compatibility: SP3,Rome (EPYC 7402) and SP5 (EPYC 9184X).

Neither processor supports overclocking. Only the EPYC 9184X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V, SEV, IOMMU (EPYC 7402) vs VT-x, VT-d, AMD-V (EPYC 9184X). Primary use case: EPYC 7402 targets Server / Workstation. Direct competitor: EPYC 7402 rivals Xeon Gold 6242; EPYC 9184X rivals Xeon Platinum 8468X.

The EPYC 7402 launched at $1783 MSRP, while the EPYC 9184X debuted at $4928. At current prices ($2285 vs $3750), the EPYC 7402 is $1465 cheaper. In terms of value (PassMark points per dollar), the EPYC 7402 delivers 20.1 pts/$ vs 12.7 pts/$ for the EPYC 9184X — making the EPYC 7402 the 45.2% better value option.