AMD EPYC 9554 vs AMD Ryzen 5 7545U Comparison

The AMD Ryzen 5 7545U and AMD EPYC 9554 occupy opposite ends of the AMD spectrum, yet their average benchmark scores are remarkably close. The data shows a 0.4% difference in average benchmark score, with the Ryzen 5 7545U at 26849 and the EPYC 9554 at 26743. However, the head-to-head benchmark results reveal a stark reality: the EPYC 9554 wins all six Cinebench comparisons, with deltas consistently around -81.3% to -81.4% in favor of the server chip. This means the EPYC 9554 delivers roughly five times the performance of the Ryzen 5 7545U in every Cinebench test, despite having a similar average score across a broader benchmark suite.

Head-to-Head Benchmarks

The Cinebench results are unambiguous. In Cinebench R15 multicore, the EPYC 9554 scores 9319 against the Ryzen 5 7545U’s 1739, a delta of -81.3%. The single-core R15 test shows the same pattern: 1315 versus 245, a -81.4% delta. Moving to Cinebench R20, the multicore scores are 38831 for the EPYC 9554 and 7246 for the Ryzen 5 7545U, again a -81.3% gap. The single-core R20 result is 5481 against 1022, a -81.4% delta. Cinebench R23 multicore shows the EPYC 9554 at 92457 versus 17253 for the Ryzen 5 7545U, a -81.3% difference. The R23 single-core test completes the sweep: 13052 versus 2435, a -81.3% delta.

These numbers are consistent across the board. The EPYC 9554’s advantage is not workload-specific; it is a uniform lead in every measured Cinebench scenario. The Ryzen 5 7545U has zero wins in the head-to-head data, while the EPYC 9554 claims all six.

The broader benchmark suite tells a different story, though. The Ryzen 5 7545U has PassMark scores that the EPYC 9554 does not have in the data set. The Ryzen 5 7545U scores 238345 in data compression, 14202 in data encryption, 17865 in extended instructions, 68 in prime number finding, 36754 in floating point math, 60206 in integer math, 20298 in multithread, 1057 in physics, 30358 in random string sorting, and 3673 in single-thread tests. These scores contribute to the Ryzen 5 7545U’s average benchmark score of 26849, which is 0.4% higher than the EPYC 9554’s 26743. The EPYC 9554’s nearest rivals include the Intel Core i7-12700H at 26717 (0.1% delta) and the Intel Core i9-11900K at 26639 (0.4% delta), while the Ryzen 5 7545U’s nearest rivals include the Intel Core i7-1370P at 26900 (-0.2% delta) and the AMD Ryzen AI 7 445 at 26936 (-0.3% delta).

The Verdict

The data suggests two distinct purchase profiles. The AMD EPYC 9554 is for workloads that demand massive multi-threaded throughput. Its Cinebench scores are approximately 5.4 times higher than the Ryzen 5 7545U in multicore tests, which aligns with its 64 cores and 128 threads versus the Ryzen 5 7545U’s 6 cores and 12 threads. The Ryzen 5 7545U, by contrast, is a mobile processor with a 28W TDP, designed for efficiency in laptops. Its benchmark results show it can hold its own in average score against the EPYC 9554, but its single-core Cinebench scores are far lower.

The EPYC 9554 is the clear pick for server, workstation, or any compute-heavy environment where Cinebench-style rendering performance is critical. The Ryzen 5 7545U is the pick for a mobile platform where the integrated Radeon 740M graphics and lower power envelope are necessary. The data shows no scenario where the Ryzen 5 7545U outperforms the EPYC 9554 in the head-to-head tests, so the choice is not about raw performance but about platform and use case.

FAQ

Q: Which processor has a higher average benchmark score?

A: The AMD Ryzen 5 7545U has an average benchmark score of 26849, which is 0.4% higher than the AMD EPYC 9554’s 26743.

Q: How much faster is the AMD EPYC 9554 in Cinebench R23 multicore?

A: The EPYC 9554 scores 92457 in Cinebench R23 multicore, while the Ryzen 5 7545U scores 17253. The delta is -81.3%, meaning the EPYC 9554 is roughly 5.4 times faster.

Q: Does the Ryzen 5 7545U win any head-to-head benchmarks?

A: No. The data shows 0 wins for the Ryzen 5 7545U and 6 wins for the EPYC 9554 in the head-to-head Cinebench tests.

Q: What is the single-core performance difference in Cinebench R20?

A: The EPYC 9554 scores 5481 in Cinebench R20 single-core, while the Ryzen 5 7545U scores 1022, a delta of -81.4%.

Q: Which processor has a higher TDP?

A: The EPYC 9554 has a TDP of 360W, while the Ryzen 5 7545U has a TDP of 28W.

Q: Are both processors based on the same architecture?

A: Yes, both use Zen 4 architecture. The Ryzen 5 7545U uses the Phoenix2 codename, while the EPYC 9554 uses Genoa.

Specification Differences

The core and thread counts diverge sharply. The Ryzen 5 7545U has 6 cores and 12 threads, while the EPYC 9554 has 64 cores and 128 threads. Base clocks are close: 3.20 GHz for the Ryzen 5 7545U versus 3.10 GHz for the EPYC 9554. Boost clocks differ significantly: 4.90 GHz for the Ryzen 5 7545U versus 3.75 GHz for the EPYC 9554. The TDP difference is massive: 28W for the Ryzen 5 7545U versus 360W for the EPYC 9554. Sockets are incompatible: AMD Socket FP7 for the Ryzen 5 7545U and AMD Socket SP5 for the EPYC 9554.

Memory configuration also differs. The Ryzen 5 7545U supports dual-channel DDR5 with a memory bandwidth of 89.6 GB/s. The EPYC 9554 supports twelve-channel DDR5 with a memory bandwidth of 460.8 GB/s. PCIe lanes are another major split: the Ryzen 5 7545U offers Gen 4 with 14 lanes (CPU only), while the EPYC 9554 offers Gen 5 with 128 lanes (CPU only). The Ryzen 5 7545U includes integrated Radeon 740M graphics; the EPYC 9554 has no integrated graphics. The launch MSRP for the EPYC 9554 is $9087; the Ryzen 5 7545U has no launch MSRP listed.

Architecture Differences

Both processors are built on Zen 4 architecture, but the implementation differs. The Ryzen 5 7545U uses the Phoenix2 codename, fabricated on a 4 nm TSMC process with 20,900 million transistors on a 137 mm² die. The EPYC 9554 uses the Genoa codename, fabricated on a 5 nm TSMC process with 52,560 million transistors spread across 8x 72 mm² dies. The process node is the key manufacturing difference: 4 nm for the mobile chip versus 5 nm for the server chip.

Cache hierarchies share the same per-core structure: 64 KB of L1 per core and 1 MB of L2 per core. The L3 cache differs substantially: the Ryzen 5 7545U has 16 MB shared, while the EPYC 9554 has 256 MB shared. Both support DDR5 memory and ECC memory. The memory bus widths are different, as noted in specifications. The Ryzen 5 7545U belongs to the 7000 series with a generation label of Ryzen 5 (Zen 4 (Phoenix)), while the EPYC 9554 belongs to the EPYC 9004 series with a generation label of EPYC (Zen 4 (Genoa)).

Where Each One Wins

The EPYC 9554 wins every head-to-head benchmark in the data. Its Cinebench scores are uniformly about 5.4 times higher than the Ryzen 5 7545U across R15, R20, and R23, in both single-core and multicore tests. This makes it the clear choice for rendering, simulation, scientific computing, or any workload that scales with core count and memory bandwidth. The 128 threads and 256 MB L3 cache provide the resources needed for heavy parallel workloads. The twelve-channel memory bus delivering 460.8 GB/s is another advantage for memory-bound server tasks.

The Ryzen 5 7545U wins in the context of its platform. It is a mobile processor with a 28W TDP, making it suitable for laptops where power efficiency is paramount. Its PassMark scores, while not compared directly to the EPYC 9554 in the head-to-head data, show a capable processor for everyday tasks: 60206 in integer math, 36754 in floating point math, and 3673 in single-thread tests. The integrated Radeon 740M graphics mean no discrete GPU is required for basic display output. The 4 nm process node and smaller die size suggest a focus on efficiency. The Ryzen 5 7545U is the pick for a thin-and-light mobile system; the EPYC 9554 is the pick for a rack-mounted server. The data does not support any other conclusion.