EPYC 8534P vs EPYC 9384X

The EPYC 8534P packs 64 cores / 128 threads, while the EPYC 9384X offers 32 cores / 64 threads — the EPYC 8534P has 32 more cores. Boost clocks reach 3.1 GHz on the EPYC 8534P versus 3.9 GHz on the EPYC 9384X — a 22.9% clock advantage for the EPYC 9384X (base: 2.3 GHz vs 3.1 GHz). The EPYC 8534P uses the Siena (2023−2024) architecture (5 nm), while the EPYC 9384X uses Genoa-X (2023) (5 nm). In PassMark, the EPYC 8534P scores 71,900 against the EPYC 9384X's 72,121 — a 0.3% lead for the EPYC 9384X. L3 cache: 128 MB (total) on the EPYC 8534P vs 768 MB (total) on the EPYC 9384X.

The EPYC 8534P uses the SP6 socket (PCIe 4.0), while the EPYC 9384X uses SP5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the EPYC 8534P versus 4800 on the EPYC 9384X — the EPYC 9384X supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9384X supports up to 6144 of RAM compared to 1152 GB — 136.8% more capacity for professional workloads. Memory channels: 6 (EPYC 8534P) vs 12 (EPYC 9384X). PCIe lanes: 96 (EPYC 8534P) vs 128 (EPYC 9384X) — the EPYC 9384X offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP6 (EPYC 8534P) and SP5 (EPYC 9384X).

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V (EPYC 8534P) vs VT-x, VT-d, SEV-SNP (EPYC 9384X). Primary use case: EPYC 8534P targets Cloud Server. Direct competitor: EPYC 8534P rivals Xeon Platinum 8452Y; EPYC 9384X rivals Xeon Platinum 8468.

The EPYC 8534P launched at $5529 MSRP, while the EPYC 9384X debuted at $5529. At current prices ($5529 vs $4157), the EPYC 9384X is $1372 cheaper. In terms of value (PassMark points per dollar), the EPYC 8534P delivers 13.0 pts/$ vs 17.3 pts/$ for the EPYC 9384X — making the EPYC 9384X the 28.6% better value option.