AMD EPYC 9475F

The AMD EPYC 9475F is a 48-core, 96-thread server processor built on the Zen 5 architecture, marketed under the EPYC 9005 series (codename Turin). It is manufactured on TSMC’s 4 nm process, with a base clock of 3.65 GHz and a boost clock of 4.80 GHz. The processor is designed for Socket SP5, supports DDR5 memory across a twelve-channel bus, and provides 128 PCIe Gen 5 lanes from the CPU. With a TDP of 400 W, this is a high-power part aimed at dense compute workloads, not desktop systems.

Platform and Compatibility

The EPYC 9475F uses the AMD Socket SP5 platform, which is exclusive to EPYC 9005 series processors. This socket supports DDR5 memory exclusively, with a twelve-channel memory bus that yields a peak memory bandwidth of 576.0 GB/s. For servers or workstations that rely heavily on memory throughput, this bandwidth is critical for feeding 48 Zen 5 cores. ECC memory is supported, which is a standard requirement for data integrity in server environments.

PCIe connectivity is robust: the CPU provides 128 PCIe Gen 5 lanes, which can be used for high-speed storage, networking, or accelerators. This lane count allows for multiple GPUs or NVMe drives without needing a separate PCIe switch. The platform does not support an integrated GPU, so a discrete graphics adapter is mandatory for display output, though that is rarely a concern in server deployments.

Upgrade path considerations are straightforward: the EPYC 9475F is a current-generation part, and the SP5 socket is shared across the EPYC 9005 series. This means a system built around this socket can accommodate other 9005 series processors, but no cross-generation compatibility is indicated in the data. The processor’s production status is active, and its release date is 2024-10-09, so it is a recent addition to the market. The launch MSRP is $7592, which positions it as a premium part, but the platform cost is typical for dual-socket or high-core-count servers.

Single-Thread vs Multi-Thread Behavior

The EPYC 9475F has a base clock of 3.65 GHz and a boost clock of 4.80 GHz. The boost clock is notably high for a 48-core processor, suggesting strong single-thread performance relative to other server chips. However, the benchmark data provided does not include specific single-thread or multi-thread scores, so conclusions must be drawn from the architecture and clock behavior. With 48 cores and 96 threads, the multi-threaded capacity is substantial for parallel workloads like rendering, scientific simulations, or database processing.

The single-thread performance is influenced by the high boost clock, which is useful for workloads that are not fully parallelized, such as legacy applications or parts of a code that are serial. In contrast, the multi-thread performance is driven by the core count and the shared 256 MB L3 cache, which reduces memory latency for data that fits within the cache. The cache configuration includes 80 KB L1 per core and 1 MB L2 per core, which are standard for Zen 5, but the large L3 is a differentiator for workloads that reuse data frequently.

Real-world behavior shows a split: tasks that are single-threaded will benefit from the 4.80 GHz boost, while tasks that scale across cores will see near-linear gains up to 48 cores. The twelve-channel memory bus ensures that multi-threaded workloads are not starved for data, as 576.0 GB/s of bandwidth is ample for feeding 96 threads. The absence of benchmark scores in the provided data means the percentile ranking of 50th among all CPUs is the only relative metric available, but that is based on a zero average score, so it carries no practical weight.

Power and Thermals

The TDP of this processor is 400 W, which is high even for server parts. This figure indicates the maximum sustained power draw under typical load, and it directly influences cooling requirements. A 400 W TDP requires a robust cooling solution: either a high-end air cooler designed for server sockets or a liquid cooling loop. Given the 8x 70.6 mm² die size (totaling 8 chiplets), the heat is spread across multiple dies, which can help with thermal density but still requires efficient heat removal.

The process node is 4 nm, which is efficient for the transistor count of 66,520 million, but the high clock speeds and core count push power consumption to the limit. In practice, a server chassis must provide adequate airflow, and the cooling system must be rated for at least 400 W of dissipation. The data does not specify thermal limits or power management features, so it is safe to assume that standard EPYC 9005 series power management applies, but that is not confirmed.

For system builders, the implication is clear: this is not a part for a small form factor or passively cooled chassis. The cooling tier requires either a high-static-pressure fan array or a liquid cooler with a large radiator. The 400 W TDP also suggests that the power delivery on the motherboard must be robust, with adequate VRM cooling to sustain boost clocks under sustained load. The twelve-channel memory bus adds to the power draw, as each memory channel requires termination power, but that is a secondary consideration.

Who Should Consider It

The EPYC 9475F is aimed at server and workstation workloads that demand high core counts and high memory bandwidth. For database workloads, the 48 cores and 96 threads allow for many concurrent queries, while the 256 MB L3 cache can hold frequently accessed index pages. The 576.0 GB/s memory bandwidth is beneficial for analytical queries that scan large tables.

For content creation and rendering, the core count is a strong fit. Rendering engines that scale across cores will see near-linear speedups, and the boost clock of 4.80 GHz helps with single-threaded tasks like asset importing or physics calculations. The absence of an integrated GPU means a dedicated GPU is required, but that is typical for workstations.

For office productivity, this processor is overkill, but it can handle it without breaking a sweat. The high core count is wasted on spreadsheet or word processing tasks, and the 400 W TDP makes it inefficient for such workloads. The data shows no benchmark scores, so the percentile ranking of 50th is uninformative, but the architecture suggests that this part is best suited for multi-threaded compute, not interactive use.

The launch MSRP of $7592 places it in the high-end server segment, so it is intended for data centers or professional workstations where uptime and throughput justify the cost. The active production status and release date of 2024-10-09 suggest it is a current-generation part, so it will be supported for years to come.

Benchmark Performance

The provided FACT PACK includes no benchmark scores, no nearest rivals, and no deltaPct values. The average benchmark score is 0, and the percentile versus all CPUs is 50. This is an unusual situation because the percentile is meaningless without actual scores; a 50th percentile with a zero score suggests that the benchmark database has not yet recorded any results for this processor. Therefore, any performance analysis must rely on architectural specifications rather than measured numbers.

Without rival data, it is impossible to state exact percentage deltas against competing processors. However, the specifications allow for qualitative comparisons. The 48 cores and 4.80 GHz boost clock are competitive with other high-core-count server parts, but without numbers, no definitive claims can be made. The memory bandwidth of 576.0 GB/s is a strong point, as many server workloads are memory-bound.

The lack of benchmark data means that this entry is incomplete for performance evaluation. The processor’s architecture is known to be Zen 5, which is a recent design, but the actual performance in integer or floating-point workloads is not quantified here. The 256 MB L3 cache is large, which should help with cache-sensitive workloads, but again, no scores confirm this.

FAQ

Q: What socket does the AMD EPYC 9475F use?

A: It uses AMD Socket SP5, which is exclusive to the EPYC 9005 series.

Q: Does the EPYC 9475F support ECC memory?

A: Yes, ECC memory is supported, which is standard for server reliability.

Q: How many PCIe lanes does the CPU provide?

A: The CPU provides 128 PCIe Gen 5 lanes, which are available from the processor itself.

Q: What is the L3 cache size on this processor?

A: The L3 cache is 256 MB, shared across all 48 cores.

Q: What is the launch MSRP of the EPYC 9475F?

A: The launch MSRP is $7592.

Q: Is the multiplier unlocked for overclocking?

A: No, the multiplier is locked, so overclocking is not supported.

Q: What process node is used for this processor?

A: It is manufactured on a 4 nm process by TSMC, with a transistor count of 66,520 million.

Q: What is the memory bandwidth of this processor?

A: The memory bandwidth is 576.0 GB/s, achieved via a twelve-channel DDR5 bus.