EPYC 9755

AMD · EPYC 9005 · 2024 · SP5

Overview

The AMD EPYC 9755 is a server processor with 128 cores, released in 2024 at an MSRP of $12,984. It is part of the EPYC 9005 lineup, using the EPYC 9005 platform, and fits the SP5 socket. Internally, it is built on the "Zen 5" architecture. Thanks to AMD Simultaneous Multi-Threading (SMT), each core can handle two instruction streams simultaneously, yielding a total of 256 threads for improved parallelism. The EPYC 9755 has a base clock of 2.7 GHz and can boost up to 4.1 GHz depending on workload and thermal headroom. AMD manufactures the "Zen 5" silicon on a TSMC 3nm/4nm process node. This processor supports DDR5 memory across 12 channels, up to 6TB total, with ECC support standard for data integrity in server workloads. It supports both single-socket (1P) and dual-socket (2P) configurations, with 128 lanes of PCIe 5.0 available for storage, networking and accelerators. With a TDP of 500W, the EPYC 9755 runs hot and requires a capable cooling setup. The cache hierarchy consists of 80KB/core of L1, 1MB/core of L2, and 512MB of L3 cache — a substantial cache pool well suited to memory-bound enterprise and virtualization workloads.

Flagship 'Turin classic' core model — 128 full Zen 5 cores with 512MB L3, the largest cache of any EPYC 9005 SKU. Built for balanced general-purpose and data-intensive workloads including virtualization and analytics.

Specifications

BrandAMD
FamilyEPYC 9005
SeriesEPYC 9005
ArchitectureZen 5
CodenameTurin
Launch year2024
Cores128
Threads256
Base clock2.7 GHz
Boost clock4.1 GHz
L1 cache80KB/core
L2 cache1MB/core
L3 cache512MB
TDP500W
SocketSP5
ProcessTSMC 3nm/4nm
Memory typeDDR5
Memory channels12
Max memory6TB
PCIe lanes128 (PCIe 5.0)
ECC memoryYes
Socket scalability1P and 2P
Launch MSRP$12,984
OEM / tray part number100-000001443

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