The AMD EPYC 7642 is a 48-core, 96-thread server processor from AMD's Zen 2 "Rome" (2nd Gen EPYC) architecture, designed for high-performance computing and enterprise virtualization. It features a 2.3 GHz base clock with a 3.3 GHz boost, 256 MB of L3 cache, and a 225W TDP, supporting DDR4-3200 memory and 128 PCIe 4.0 lanes via the SP3 socket.

Key Specifications

Cores/Threads: 48 Cores / 96 Threads

Clock Speeds: 2.3 GHz Base / 3.3 GHz Turbo

Cache: 256 MB L3

Memory: DDR4-3200 (8 channels)

PCIe: 128 lanes of PCIe 4.0

TDP: 225W (configurable to 240W cTDP)

Process Node: 7nm (CPU cores) / 14nm (I/O)

Performance and Comparison

In benchmarks, the EPYC 7642 achieves a CPU-Mark score of approximately 59,199, significantly outperforming contemporary Intel Xeon Scalable processors like the 28-core Xeon Platinum 8280 in multi-threaded workloads.