Wholesale & Distribution: AMD EPYC 4545P / 4565P / 4585PX – 64C/128T High-End Server Processors

Specification	EPYC 4545P	EPYC 4565P	EPYC 4585PX
Cores / Threads	12C / 24T	16C / 32T	24C / 48T
Base Clock	3.7 GHz	3.5 GHz	3.3 GHz
Max Boost Clock	Up to 4.8 GHz	Up to 4.6 GHz	Up to 4.4 GHz
L3 Cache	64 MB	64 MB	96 MB
Default TDP	150W	170W	200W
PCIe Lanes	28 (PCIe 5.0)	28 (PCIe 5.0)	28 (PCIe 5.0)
Memory Support	DDR5-4800	DDR5-4800	DDR5-4800
Memory Channels	2	2	2
Socket	AM5 (SP6)	AM5 (SP6)	AM5 (SP6)
Launch Year	2024	2024	2024

AMD EPYC 4545P (12C/24T) – The Balanced Performer

Key Specifications:

• Cores/Threads: 12 cores / 24 threads

• Clock Speeds: 3.7 GHz base / up to 4.8 GHz boost

• Cache: 64MB L3

• TDP: 150W

• PCIe: 28 lanes (PCIe 5.0)

• Memory: Dual-channel DDR5-4800

Best For:
Workloads requiring strong single-thread performance with solid multi-threading capability.

Key Features:

• Zen 4 architecture delivers excellent IPC (Instructions Per Cycle) improvements

• High boost clocks (4.8GHz) make it ideal for latency-sensitive applications

• Balanced 150W TDP for energy-efficient deployments

• Large 64MB L3 cache benefits database and virtualization workloads

Ideal Use Cases:
✓ Medium-density virtualization hosts
✓ Relational databases (MySQL, PostgreSQL, SQL Server)
✓ Game server hosting (high clock speeds benefit game engines)
✓ Enterprise applications (ERP, CRM systems)

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AMD EPYC 4565P (16C/32T) – The Virtualization Specialist

Key Specifications:

• Cores/Threads: 16 cores / 32 threads

• Clock Speeds: 3.5 GHz base / up to 4.6 GHz boost

• Cache: 64MB L3

• TDP: 170W

• PCIe: 28 lanes (PCIe 5.0)

• Memory: Dual-channel DDR5-4800

Best For:
Virtualized environments needing strong multi-threading with good clock speeds.

Key Features:

• Higher core count than 4545P for better VM density

• Only slightly lower boost clocks than 4545P (4.6GHz vs 4.8GHz)

• Same 64MB L3 cache maintains strong performance per core

• PCIe 5.0 doubles bandwidth over previous generation

Ideal Use Cases:
✓ Private cloud and hyperconverged infrastructure
✓ Virtual desktop infrastructure (VDI) deployments
✓ Mid-range Kubernetes/container hosts
✓ Video transcoding and media processing

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AMD EPYC 4585PX (24C/48T) – The Thread Monster

Key Specifications:

• Cores/Threads: 24 cores / 48 threads

• Clock Speeds: 3.3 GHz base / up to 4.4 GHz boost

• Cache: 96MB L3

• TDP: 200W

• PCIe: 28 lanes (PCIe 5.0)

• Memory: Dual-channel DDR5-4800

Best For:
Compute-heavy workloads that can leverage massive parallel processing.

Key Features:

• Largest core count in the EPYC 4000P series

• Enormous 96MB L3 cache reduces memory latency

• Higher 200W TDP allows sustained multi-threaded performance

• PCIe 5.0 supports latest accelerators and storage

Ideal Use Cases:
✓ High-performance computing (HPC) clusters
✓ AI/ML inference workloads
✓ 3D rendering and simulation (CFD, FEA)
✓ Large-scale Java applications
✓ High-traffic web serving with complex processing

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Comparative Summary

Upgrade Considerations:

• From 4545P to 4565P: 33% more cores for ~13% higher TDP

• From 4565P to 4585PX: 50% more cores but 18% higher power draw