CPU database reference

Verified catalog record

AMD EPYC 9555P

AMD · AMD EPYC 9555P

AMD EPYC 9555P processor reference with normalized architecture, compute, clocks, cache, memory, PCIe, power, and platform specifications.

Cores / threads: 64 / 128
Max boost: 4.40 GHz
Socket: SP5
Default TDP: 360 W

Benchmark

Measured performance reference

Benchmark results are comparable only within the exact same test. They do not represent total product quality.

Cinebench R23 Multi

CPU multi-core rendering benchmark

125,000points

#28 of 654

Rank among CPUs with a Cinebench R23 Multi score in the CTT dataset.

Technical data

Specifications

Only fields backed by the current normalized record are rendered; missing values stay absent rather than becoming N/A grids.

Overview

Manufacturer	AMD
Launch date	2024-10-10
Market segment	server

Architecture

Architecture	Zen 5
CPU process	TSMC N4

Compute

Cores	64
Threads	128

Clocks

Base clock	3.20 GHz
Maximum boost clock	4.40 GHz

Cache

L3 cache	256 MB

Memory

Memory support	DDR5-6400 12-channel ECC

Power

Default TDP	360 W

Platform

Socket	SP5

Hardware navigation

Bounded links selected from structured family, platform, generation, and architecture fields—not model-number proximity.

Sources

Specification provenance

No public source record is available.

Useful next steps selected from the same technical reference and publication system.

Compatibility & upgrades

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Hardware reference

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Compatibility & upgrades

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