Core i9-12900 vs EPYC 4344P

The Core i9-12900 packs 16 cores / 24 threads, while the EPYC 4344P offers 8 cores / 16 threads — the Core i9-12900 has 8 more cores. Boost clocks reach 5.1 GHz on the Core i9-12900 versus 5.3 GHz on the EPYC 4344P — a 3.8% clock advantage for the EPYC 4344P (base: 2.4 GHz vs 3.8 GHz). The Core i9-12900 uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the EPYC 4344P uses Raphael (2023−2025) (5 nm). In PassMark, the Core i9-12900 scores 33,695 against the EPYC 4344P's 33,821 — a 0.4% lead for the EPYC 4344P. L3 cache: 30 MB (total) on the Core i9-12900 vs 32 MB (total) on the EPYC 4344P.

The Core i9-12900 uses the LGA1700 socket (PCIe 5.0), while the EPYC 4344P uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i9-12900 versus DDR5-5200 on the EPYC 4344P — the Core i9-12900 supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 4344P supports up to 192 GB of RAM compared to 128 — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-12900) vs 28 (EPYC 4344P) — the EPYC 4344P offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i9-12900) and B650,X670,X870 (EPYC 4344P).

Neither processor supports overclocking. Only the EPYC 4344P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-12900) vs AMD-V, AMD-Vi (EPYC 4344P). Both include integrated graphics — Intel UHD Graphics 770 (Core i9-12900) and Radeon Graphics (EPYC 4344P) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: EPYC 4344P targets Entry Server. Direct competitor: Core i9-12900 rivals Ryzen 9 5900; EPYC 4344P rivals Xeon E-2468.

The Core i9-12900 launched at $519 MSRP, while the EPYC 4344P debuted at $329. At current prices ($420 vs $314), the EPYC 4344P is $106 cheaper. In terms of value (PassMark points per dollar), the Core i9-12900 delivers 80.2 pts/$ vs 107.7 pts/$ for the EPYC 4344P — making the EPYC 4344P the 29.2% better value option.