AMD Ryzen 9 5900 vs Intel Xeon Gold 5318H Comparison

The Intel Xeon Gold 5318H and AMD Ryzen 9 5900 occupy different corners of the processor market, and the benchmark data reflects that split clearly. The Xeon is a server and workstation part built around 18 cores and 36 threads, while the Ryzen 9 is a desktop chip with 12 cores and 24 threads. Despite the Xeon’s higher core count, the Ryzen 9 wins the majority of the recorded tests, taking 13 of 17 head-to-head benchmarks. However, the Xeon’s four wins are decisive in specific workloads, making the choice between them dependent almost entirely on the intended use case. The database shows a 90th percentile placement for the Xeon versus 89th for the Ryzen, with average benchmark scores of 48698 and 46971, respectively. These are close overall figures, but the underlying test breakdown reveals very different strengths.

Where Each One Wins

The AMD Ryzen 9 5900 dominates the productivity and general-purpose arenas. In every Cinebench test, both single-core and multi-core, the Ryzen 9 takes the lead by a consistent margin. The multi-core results show a 13.6% advantage in Cinebench R15, R20, and R23, with scores of 2906 versus 2510, 12110 versus 10460, and 28834 versus 24905, respectively. Single-core Cinebench results follow the same pattern, with the Ryzen 9 scoring 410 against the Xeon’s 354 in R15 and 4070 against 3516 in R23, both representing a 13.7% and 13.6% edge. This consistency indicates that the Ryzen 9’s Zen 3 architecture delivers higher per-thread efficiency and better scaling in render workloads.

The Ryzen 9 also wins in PassMark integer math, floating point math, and prime number generation. The integer math score of 128641 is 16.4% higher than the Xeon’s 107603, and the floating point score of 69124 beats the Xeon’s 66610 by 3.6%. The prime number test shows a large 33.8% gap, with the Ryzen 9 scoring 213 and the Xeon 141. Encryption is another decisive victory for AMD, with a score of 26247 compared to the Intel’s 10743, a 59.1% difference. The Ryzen 9 also wins the multi-thread benchmark with 33969 against 29301, a 13.7% lead, and the single-thread PassMark test with 3439 versus 2225, a 35.3% advantage.

The Intel Xeon Gold 5318H wins four specific tests, and they all point to its workstation heritage. The largest win is in PassMark physics, where it scores 2309 against the Ryzen 9’s 1697, a 36.1% lead. Random string sorting also goes to Intel, with 58841 versus 43386, a 35.6% advantage. The Xeon takes data compression decisively, scoring 470916 against 411453, a 14.5% win. Finally, the extended instructions test sees Intel ahead with 33730 versus 26859, a 25.6% margin. These results indicate that the Xeon’s architecture is better optimized for specific data manipulation tasks, likely due to its server-focused design and larger shared cache.

The Verdict

For users focused on rendering, general desktop productivity, and single-threaded applications, the AMD Ryzen 9 5900 is the clear choice. Cinebench results show a consistent 13.6% lead across all versions, and the 35.3% margin in PassMark single-thread performance is substantial. The Ryzen 9 also offers higher memory bandwidth per channel, though it uses dual-channel memory instead of Intel’s six-channel configuration. Data on integer and floating point math also favors AMD, making this the better option for most computational tasks.

The Intel Xeon Gold 5318H is the pick for specific server and workstation workloads. Its 36.1% advantage in the physics test and 35.6% lead in random string sorting point to scenarios with heavy data movement and sorting. The compression score is also strong, 14.5% higher than the Ryzen 9, which suggests that the Xeon handles data compression workloads more efficiently. The extended instructions win, 25.6% ahead, indicates advantages in specialized instruction sets. For users running these types of server-side tasks, the Xeon’s architecture provides a measurable performance edge.

The overall benchmark average scores are close, with the Xeon at 48698 and the Ryzen 9 at 46971, a difference of 3.7% in favor of the Xeon. However, the Ryzen 9 wins the majority of tests, so the average score is skewed by the Xeon’s large wins in physics and sorting. The Ryzen 9 is the better overall choice for most users, while the Xeon is for specialized workloads.

Head-to-Head Benchmarks

The biggest win for the AMD Ryzen 9 5900 comes in PassMark data encryption, where it scores 26247 against the Xeon’s 10743. This 59.1% gap is the largest margin in the entire dataset. The Ryzen 9 also performs exceptionally well in PassMark single-thread, with 3439 versus 2225, a 35.3% difference. These two results alone show the Ryzen 9’s superiority in tasks that rely on high clock speeds and efficient instruction execution.

The largest win for the Intel Xeon Gold 5318H is in PassMark physics, where it leads by 36.1% with 2309 versus 1697. The Xeon also wins random string sorting by 35.6%, scoring 58841 versus 43386. In the extended instructions test, the Xeon leads by 25.6%, with 33730 against 26859. These wins indicate that the Xeon has specialized strengths that the Ryzen 9 cannot match.

The Cinebench multicore results are consistent across all three versions. The Ryzen 9 wins by 13.6% in both R15 and R20, with scores of 2906 versus 2510 and 12110 versus 10460, respectively. The R23 multicore result shows a similar 13.6% gap. The single-core results are also consistent, with the Ryzen 9 leading by 13.7% in R15 and 13.6% in both R20 and R23.

FAQ

Q: Which processor has better multi-core performance?

A: The AMD Ryzen 9 5900 wins all three Cinebench multicore tests. It scores 2906 in Cinebench R15, 12110 in R20, and 28834 in R23, compared to the Intel Xeon Gold 5318H’s 2510, 10460, and 24905, respectively. The Ryzen 9 also wins the PassMark multithread test, 33969 versus 29301.

Q: Does the Intel Xeon Gold 5318H win any benchmarks?

A: Yes, the Xeon wins four tests. It has a 36.1% lead in PassMark physics, a 35.6% lead in random string sorting, a 25.6% lead in extended instructions, and a 14.5% lead in data compression.

Q: How much faster is the AMD Ryzen 9 5900 in single-threaded workloads?

A: The Ryzen 9 scores 3439 in PassMark single-thread, which is 35.3% higher than the Xeon’s 2225. In Cinebench R20 single-core, the Ryzen 9 scores 1709 versus 1476, a 13.6% advantage.

Q: Which processor has more cores and threads?

A: The Intel Xeon Gold 5318H has 18 cores and 36 threads, while the AMD Ryzen 9 5900 has 12 cores and 24 threads. The Xeon has 50% more cores, but the Ryzen 9 still wins most multithreaded benchmarks.

Q: What is the largest performance gap between the two?

A: The largest gap is in the data encryption test, where the AMD Ryzen 9 5900 scores 26247 versus 10743 for the Intel Xeon Gold 5318H, a 59.1% difference. The second largest is in single-thread performance, a 35.3% gap.

Q: Which processor has a higher boost clock?

A: The AMD Ryzen 9 5900 has a boost clock of 4.70 GHz, which is higher than the Intel Xeon Gold 5318H’s 3.80 GHz. The base clock is also higher for the Ryzen 9, at 3.00 GHz versus 2.50 GHz.

Architecture Differences

The two processors are built on different architectures and process nodes. The Intel Xeon Gold 5318H uses the Cooper Lake-SP architecture, built on a 14 nm process at Intel’s factory. It uses a Cooper Lake-SP codename and is part of the Xeon Gold generation. In contrast, the AMD Ryzen 9 5900 uses the Zen 3 architecture, codenamed Vermeer, built on a 7 nm process at TSMC. The Ryzen 9 uses a dual-chiplet design with two 74 mm² dies and 8,300 million transistors, while the Xeon does not list transistor count or die size.

The cache layouts differ significantly. The Xeon has a 24.75 MB shared L3 cache, with 64 KB and 1 MB per core for L1 and L2. The Ryzen 9 has a larger 64 MB L3 cache, with 64 KB per core L1 and 512 KB per core L2. The L3 size difference is substantial, with the Ryzen 9 having 2.58 times the shared L3 cache.

Memory support also differs. The Xeon supports six-channel memory with a memory bandwidth of 128.0 GB/s, while the Ryzen 9 uses dual-channel memory with 51.2 GB/s. Both support DDR4 and ECC memory. The Xeon uses PCIe Gen 3 with 48 lanes (CPU only), while the Ryzen 9 uses PCIe Gen 4 with 20 lanes (CPU only).

The market segments are distinct. The Xeon is a server/workstation processor with a TDP of 150 W, while the Ryzen 9 is a desktop processor with a much lower TDP of 65 W. The Xeon is not multiplier-unlocked, while the Ryzen 9 is unlocked for overclocking. The Xeon uses the Intel Socket 4189, while the Ryzen 9 uses the AMD Socket AM4.

Specification Differences

The two processors have several key specifications that diverge. The core and thread counts differ, with the Xeon Gold using 18 cores and 36 threads versus the Ryzen 9’s 12 cores and 24 threads. Base and boost clocks also favor the Ryzen 9, with 3.00 GHz and 4.70 GHz compared to 2.50 GHz and 3.80 GHz. The TDP is vastly different, with the Xeon rated at 150 W and the Ryzen 9 at 65 W.

The memory bus is another difference. The Xeon supports six-channel memory while the Ryzen 9 uses dual-channel memory, resulting in memory bandwidth of 128.0 GB/s versus 51.2 GB/s. The PCIe support also differs, with the Xeon using Gen 3 over 48 lanes and the Ryzen 9 using Gen 4 over 20 lanes. The process node is 14 nm for the Xeon and 7 nm for the Ryzen 9.

The release dates are close, with the Xeon launching on 2021-04-05 and the Ryzen 9 on 2021-01-11. The socket types are entirely different, with the Xeon using Intel Socket 4189 and the Ryzen 9 using AMD Socket AM4. The Xeon’s production status is Active, as is the Ryzen 9’s. The Ryzen 9 has a multiplier unlocked, but the Xeon does not.