AMD Ryzen 7 PRO 9755X3D vs Intel Xeon 6517P Comparison

The AMD Ryzen 7 PRO 9755X3D and Intel Xeon 6517P are both server and workstation processors, but they target different performance profiles. The AMD part, from the 9000 series, uses 8 cores and 16 threads, while the Intel Xeon 6 part uses 16 cores and 32 threads. In the database, the AMD achieves an average benchmark score of 75716 and sits at the 95th percentile of all CPUs, while the Intel scores 72350 and sits at the 94th percentile. Head-to-head PassMark results show the Intel winning 8 of 11 tests, but the AMD takes the single-thread and prime number tests by wide margins.

Head-to-Head Benchmarks

The recorded head-to-head PassMark comparisons give a clear picture of where each processor excels. The Intel Xeon 6517P wins 8 of the 11 tests, and its largest margin comes in floating point math. There, the Intel scores 127497 against the AMD's 80284, a 37% advantage. Data encryption shows a 30.1% lead for the Intel (32385 vs 22632), and data compression follows at 28.2% (653338 vs 469207). Integer math is 26.6% higher on the Intel (162671 vs 119404), while extended instructions are 25.9% ahead (51891 vs 38436). Random string sorting gives the Intel a 27.3% edge (67480 vs 49050), and the multithread test shows an 18.7% lead (49786 vs 40474). The physics test is closer, with the Intel ahead by 8.9% (4452 vs 4056).

The AMD Ryzen 7 PRO 9755X3D wins the remaining three tests, and its victories are decisive. In the find prime numbers test, the AMD scores 451 against the Intel's 335, a 34.6% advantage. The single-thread test shows a 34.2% lead (4443 vs 3311), and the duplicate singlethread entry confirms the same result. These two wins highlight the AMD's strength in latency-sensitive, single-threaded workloads. The AMD's average benchmark score of 75716 is slightly higher than the Intel's 72350, but that average is pulled up by the single-thread and prime number results, which are weighted heavily in the overall score. The Intel's wins are more numerous and cover a broader range of throughput-oriented tasks.

Architecture Differences

The two processors differ fundamentally in core count, clock speeds, and memory architecture. The AMD Ryzen 7 PRO 9755X3D has 8 cores and 16 threads, with a base clock of 4.70 GHz and a boost clock of 5.20 GHz. The Intel Xeon 6517P has 16 cores and 32 threads, with a base clock of 3.20 GHz and a boost clock of 4.20 GHz. The AMD's higher clocks are a direct contributor to its single-thread advantage. The Intel's higher core count gives it a natural edge in parallel workloads.

The process nodes also differ. The AMD is built on a 4 nm process at TSMC, while the Intel uses a 5 nm process at Intel. The AMD has 8,315 million transistors on a 70.6 mm² die, while the Intel does not have a listed transistor count or die size. Cache hierarchies are distinct: the AMD provides 80 KB of L1 and 1 MB of L2 per core, with 96 MB of shared L3. The Intel provides 112 KB of L1 and 2 MB of L2 per core, with 72 MB of shared L3. The AMD's larger L3 cache (96 MB vs 72 MB) likely helps in workloads that reuse data, while the Intel's larger per-core L1 and L2 may benefit more localized access patterns.

Memory support is a major differentiator. Both support DDR5, but the AMD uses a dual-channel bus with 89.6 GB/s of bandwidth, while the Intel uses an eight-channel bus with 409.6 GB/s. This gives the Intel a 4.6x advantage in theoretical memory bandwidth, which is critical for data-heavy server workloads. PCIe connectivity also favors the Intel: it offers 88 Gen 5 lanes (CPU only) versus the AMD's 24 Gen 5 lanes. The AMD includes integrated Radeon Graphics, while the Intel has no integrated graphics. Both support ECC memory. The AMD uses Socket AM5, the Intel uses Socket 4710. The AMD was released on 2026-06-29, the Intel on 2025-02-23. The Intel has a launch MSRP of $1195; the AMD has no listed launch MSRP.

Where Each One Wins

The Intel Xeon 6517P is the clear winner in workloads that scale with core count, memory bandwidth, and parallel math. Its 16 cores and 32 threads, combined with 409.6 GB/s of memory bandwidth, make it well suited for data compression, encryption, floating point math, integer math, and random string sorting. The multithread test, which the Intel wins by 18.7%, reflects its ability to keep many threads busy. The physics test, though closer, still goes to the Intel. For server applications that process large datasets, run virtual machines, or perform heavy numerical simulation, the Intel's architecture provides the necessary throughput.

The AMD Ryzen 7 PRO 9755X3D wins in single-threaded and latency-sensitive tasks. Its 34.2% lead in single-thread performance and 34.6% lead in prime number finding indicate that it excels when a workload depends on a single core's speed and low latency. The higher boost clock (5.20 GHz vs 4.20 GHz) and larger L3 cache (96 MB vs 72 MB) support this. The AMD also has a lower TDP of 120W versus the Intel's 190W, which may be relevant in power-constrained environments. The integrated Radeon Graphics on the AMD could be useful for basic display output without a discrete GPU, though the Intel has no such capability.

FAQ

Q: Which processor has higher single-thread performance?

A: The AMD Ryzen 7 PRO 9755X3D scores 4443 in the PassMark single-thread test, which is 34.2% higher than the Intel Xeon 6517P's 3311.

Q: How do the core counts compare?

A: The Intel Xeon 6517P has 16 cores and 32 threads, while the AMD Ryzen 7 PRO 9755X3D has 8 cores and 16 threads.

Q: What is the memory bandwidth difference?

A: The Intel Xeon 6517P provides 409.6 GB/s over an eight-channel DDR5 bus, while the AMD Ryzen 7 PRO 9755X3D provides 89.6 GB/s over a dual-channel bus.

Q: Which processor has a larger L3 cache?

A: The AMD Ryzen 7 PRO 9755X3D has 96 MB of shared L3 cache, while the Intel Xeon 6517P has 72 MB.

Q: Does either processor include integrated graphics?

A: The AMD Ryzen 7 PRO 9755X3D includes Radeon Graphics, while the Intel Xeon 6517P has no integrated graphics.

Q: What is the process node for each?

A: The AMD uses a 4 nm process at TSMC, and the Intel uses a 5 nm process at Intel.

The Verdict

The data points to a clear split in use cases. The Intel Xeon 6517P is the better choice for multi-threaded, memory-bandwidth-intensive server workloads. It wins 8 of 11 head-to-head tests, including multithread, floating point, integer, and data compression, and its 16 cores, 32 threads, and 409.6 GB/s memory bandwidth are the architectural reasons. The Intel also offers 88 PCIe Gen 5 lanes, which is valuable for systems with many expansion cards or NVMe drives. Its launch MSRP is $1195.

The AMD Ryzen 7 PRO 9755X3D is the better choice for single-threaded, latency-sensitive tasks. Its 34.2% single-thread lead and 34.6% prime number advantage are decisive, and its higher clock speeds and larger L3 cache support this. The AMD also has a lower TDP (120W vs 190W) and integrated graphics, which may simplify system design. Its average benchmark score is slightly higher (75716 vs 72350), and it sits at the 95th percentile versus the Intel's 94th. However, the Intel's broader set of wins in throughput-oriented tests makes it the stronger all-around server processor. The AMD is the pick when single-thread performance and power efficiency are the priorities, while the Intel is the pick for parallel, data-heavy workloads.