AMD EPYC 9334

The AMD EPYC 9334 is a 32-core, 64-thread Zen 4 server processor from the EPYC 9004 series, fabricated by TSMC on a 5 nm process. It runs at a 2.70 GHz base clock and 3.90 GHz boost clock under a 210 W TDP, with a launch MSRP of $2990. In the benchmark database it posts an average score of 15940, which places it at the 74th percentile of all CPUs and slightly ahead of its four nearest rivals.

How It Compares

The AMD EPYC 75F3 is the closest rival by average score. The EPYC 9334 scores 15940 against the EPYC 75F3's 15859, a lead of 0.5%. That is a very narrow margin, and the aggregate data places these two processors in essentially the same performance tier.

Against the AMD EPYC 9354P, the 9334 is 0.7% ahead, with the rival averaging 15826. Again the gap is small, but the 9334 holds the higher average score. This is the closest EPYC-to-EPYC comparison in the nearest-rival set, and the result is a narrow win for the 9334.

The AMD Ryzen 3 4100 trails by 0.8%, averaging 15815. The 9334's lead over the Ryzen part is slightly larger than its lead over the EPYC 75F3, but the comparison still shows how tightly grouped these average scores are. A 32-core server processor and this particular Ryzen part land close in aggregate terms.

The Intel Core i5-11400H is 1.1% behind, with an average score of 15773. That is the largest margin in the nearest-rival group. Even so, the data shows a compact cluster: all listed rivals sit within roughly one percentage point of the 9334's average score.

Power and Thermals

The EPYC 9334 has a TDP of 210 W. That places it in a high-power server processor class, which means the thermal solution needs to handle sustained all-core load. A system built around this chip requires server-grade active cooling rather than a light-duty consumer cooler. The 5 nm process node, also from TSMC, is a detail of the manufacturing technology, but the 210 W TDP remains the defining number for thermal planning. The 2.70 GHz base clock and 3.90 GHz boost clock operate within that 210 W envelope, and the cooling solution must account for both all-core and boosted operation.

Platform and Compatibility

The EPYC 9334 uses AMD Socket SP5 and belongs to the EPYC 9004 series. Its architecture is Zen 4, with the codename Genoa. It was released on 2022-11-09 and is listed as Active production. The processor supports DDR5 memory across a Twelve-channel bus, delivering 460.8 GB/s of memory bandwidth, and it supports ECC memory. For I/O, it provides Gen 5 PCIe with 128 lanes (CPU only). There is no integrated graphics. The cache hierarchy is 64 KB of L1 per core, 1 MB of L2 per core, and 128 MB of shared L3 cache. The physical implementation uses a 5 nm TSMC process with 52,560 million transistors across 4x 72 mm² dies.

The platform is defined by Socket SP5, DDR5 memory, and PCIe Gen 5. Because this is an EPYC 9004-series part, any compatibility or upgrade path runs through that SP5 ecosystem. The memory generation and socket are the hard boundaries for what a motherboard must provide.

FAQ

Q: What are the core and thread counts of the EPYC 9334?

A: It has 32 cores and 64 threads, with a base clock of 2.70 GHz and a boost clock of 3.90 GHz.

Q: What socket does it use?

A: It uses AMD Socket SP5. It is part of the EPYC 9004 series with Zen 4 Genoa architecture.

Q: What memory configuration is supported?

A: It supports DDR5 memory on a Twelve-channel bus, with 460.8 GB/s of memory bandwidth and ECC support.

Q: How much cache does the EPYC 9334 have?

A: It has 64 KB of L1 cache per core, 1 MB of L2 cache per core, and 128 MB of shared L3 cache.

Q: Does it include integrated graphics?

A: No. The data lists no integrated graphics for this processor.

Q: Is the multiplier unlocked?

A: No. The multiplierUnlocked field is false, so it is not an unlocked overclocking part.

Benchmark Performance

The EPYC 9334 posts an average benchmark score of 15940. In Cinebench R23, the multi-core score is 55110 and the single-core score is 7780. In Cinebench R20, the multi-core score is 23146 and the single-core score is 3267. In Cinebench R15, the multi-core score is 5555 and the single-core score is 784. These results show a processor with very high multi-threaded throughput and a respectable single-thread score.

The nearest-rival deltas are based on average score. The 9334 is 0.5% ahead of the AMD EPYC 75F3, whose average score is 15859. It is 0.7% ahead of the AMD EPYC 9354P, at 15826. It is 0.8% ahead of the AMD Ryzen 3 4100, at 15815. It is 1.1% ahead of the Intel Core i5-11400H, at 15773. The direction of the comparison is consistent, but the magnitude is small. The 9334 is the top-scoring part in this group by a narrow margin. The 74th percentile rank is more informative about its overall standing: it scores above most CPUs tracked in the database.

The Cinebench multi-core numbers are far larger than the single-core numbers in every version. That pattern is consistent with a 32-core, 64-thread design and explains why the average score is pulled upward by multi-threaded benchmark content.

Who Should Consider It

The EPYC 9334 is positioned in the server and workstation market segment. Its 32 cores and 64 threads, 128 MB of shared L3 cache, twelve-channel DDR5 support, and 460.8 GB/s of memory bandwidth make it a fit for compute-heavy server workloads where parallel throughput is the priority. Workstation creation tasks that scale across many cores will benefit from the multi-core Cinebench scores, particularly the R23 multi-core result of 55110.

For office-oriented workloads, the core count is far beyond what typical desktop tasks require, but the single-core scores of 7780 in R23 and 3267 in R20 show that the chip is not weak in lightly threaded performance. For gaming, this is not a typical choice: there is no integrated graphics, and the platform is a Socket SP5 server ecosystem. A system using this CPU would need a separate graphics component, and the platform is oriented toward server and workstation infrastructure rather than consumer gaming boards.

Consider the EPYC 9334 if the workload needs the combination of 32 physical cores, 128 PCIe Gen 5 lanes, twelve-channel DDR5 memory, and ECC support in a single Socket SP5 processor. Workloads that cannot use many threads will leave most of the processor's capacity unused.

Single-Thread vs Multi-Thread Behavior

The split between single-thread and multi-thread performance is clear across all three Cinebench versions. In R23, the single-core score is 7780 and the multi-core score is 55110. In R20, the single-core score is 3267 and the multi-core score is 23146. In R15, the single-core score is 784 and the multi-core score is 5555. In each case, the multi-core result dwarfs the single-core result, which reflects the 32-core/64-thread configuration.

The single-core figures are solid on their own, and they represent the Zen 4 per-core performance available when only one thread is active. The multi-core figures are where the processor reveals its identity. A workload that can spread across many threads will translate those large multi-core scores into real throughput. A workload limited to one or two threads will only see the single-core behavior and will not benefit from the EPYC 9334's core-count advantage. The nearest-rival deltas are small, so this is not a chip that dominates by per-thread speed; it is a chip that leads in aggregate by combining 32 Zen 4 cores with high multi-threaded bandwidth and cache capacity.