AMD EPYC 9825 144c/288t 2.2GHz-3.3GHz 384W (100-000000837)

AMD EPYC 9825 (Turin) Ultra-High Core Density Server CPU Overview

Positioning and intended workload class

AMD EPYC 9825 is a 5th Gen EPYC 9005-series processor based on Zen 5 (codename Turin), positioned for extreme parallelism and maximum consolidation on the SP5 platform. With 144 cores, this SKU targets hyperscale and enterprise environments where throughput per node, rack efficiency, and large-scale workload consolidation are decisive. EPYC 9825 is designed for operators who prioritize total work done per socket over peak per-core frequency.

Core configuration and execution profile

The processor delivers 144 cores and 288 threads, operating at a 2.2 GHz base frequency with boost clocks up to 3.3 GHz. This frequency profile is optimized for sustained, massively parallel execution. In practice, EPYC 9825 excels when workloads scale cleanly across hundreds of threads and remain CPU-bound for long durations.

Compared to lower core-count Zen 5 models, the 9825 dramatically increases consolidation density, enabling fewer physical servers to host very large numbers of containers, VMs, or parallel jobs.

Cache architecture and data locality

EPYC 9825 includes 384 MB of L3 cache, providing a substantial shared cache pool to support a very large number of cores. While the cache-to-core ratio is optimized for throughput rather than cache-specialized workloads, it helps reduce memory pressure and stabilize performance under heavy multi-tenant load.

For platforms running large fleets of parallel tasks, the cache configuration contributes to predictable execution behavior and smoother performance during contention.

Memory subsystem and bandwidth considerations

The processor supports DDR5-6400 memory across 12 memory channels, delivering extremely high aggregate memory bandwidth per socket. This wide memory interface is critical for feeding 144 cores efficiently and maintaining throughput in memory-intensive parallel workloads.

Balanced DIMM population and strict adherence to server vendor qualification guidelines are essential. In systems of this scale, memory configuration has a direct and measurable impact on sustained performance and latency stability.

I/O capabilities and platform integration

EPYC 9825 provides PCI Express 5.0 connectivity with up to 128 lanes, enabling dense NVMe storage, high-speed networking, and accelerator integration without I/O bottlenecks. This capability allows architects to pair massive compute density with equally capable storage and network subsystems.

The processor uses the SP5 socket and supports dual-socket configurations, enabling further scaling of total core count, memory capacity, and I/O bandwidth in environments designed for maximum aggregate throughput.

Power envelope and operational planning

With a 384 W TDP, EPYC 9825 requires careful power and thermal planning. High-performance air cooling may be sufficient in well-ventilated chassis, while dense deployments often rely on liquid cooling or advanced airflow designs to maintain stable operation.

When deployed in platforms designed for this power class, the processor delivers consistent, predictable performance under sustained load, which is essential for large-scale production environments.

Ideal use cases and selection guidance

EPYC 9825 is best suited for environments that need maximum parallel throughput and consolidation. Typical use cases include hyperscale container and microservices platforms, large virtualization clusters with extreme VM density, high-throughput batch processing and analytics, and cloud compute tiers optimized for work-per-rack efficiency. For latency-sensitive or lightly parallel workloads, lower core-count or frequency-optimized models are typically more effective. EPYC 9825 is the right choice when the primary objective is to deploy a 144-core Zen 5 CPU that maximizes throughput per socket in modern enterprise and cloud infrastructures.