Intel Xeon 6505P vs Intel Xeon Gold 5320H Comparison

The Intel Xeon 6505P is the decisive winner in this matchup, taking 15 of 17 head-to-head benchmarks against the Intel Xeon Gold 5320H. The 6505P delivers a 21.2% advantage across every Cinebench test and a 31.3% lead in single-thread Passmark performance, making it the superior choice for nearly all workloads. The Gold 5320H retains only two wins, both in specialized data manipulation tasks, but its 20-core count and larger thread pool cannot overcome the architectural superiority of the newer Granite Rapids design. For new server deployments, the 6505P is the clear recommendation; the Gold 5320H is only defensible in legacy environments where its two specific strengths are mission-critical.

The Verdict

The data is unambiguous: the Intel Xeon 6505P is the better processor for virtually every use case. Its 91st percentile ranking among all CPUs matches the Gold 5320H, but the 6505P achieves this with a higher average benchmark score of 53701 against the Gold's 52431. The 6505P wins every rendering and physics workload by a consistent 21-25% margin, and its single-thread performance is 31.3% higher than the Gold 5320H. This makes the 6505P the pick for cloud compute, virtualization hosts, database servers, and any workload that benefits from strong per-core performance.

The Gold 5320H is not without merit. Its 20 cores and 40 threads provide raw parallelism that the 12-core 6505P cannot match in two specific Passmark subtests: data compression (500828 vs 480368, a 4.1% win) and random string sorting (62730 vs 52372, a 16.5% win). If your workload is dominated by these operations, the Gold 5320H is the data-driven choice. However, these wins are narrow in the first case and isolated in the second, while the 6505P's losses are concentrated in a single category. For general-purpose server duties, the 6505P's consistent multi-core and single-core dominance makes it the verdict winner.

Architecture Differences

The two processors come from fundamentally different design eras. The 6505P is built on Intel's 5 nm process node as part of the Granite Rapids architecture (Granite Rapids-SP, Xeon 6 generation), while the Gold 5320H uses the 14 nm Cooper Lake-SP design from the Xeon Gold generation. This process gap explains much of the performance disparity: the 6505P achieves its results with 12 cores and 24 threads, whereas the Gold 5320H needs 20 cores and 40 threads to compete, and still loses most benchmarks.

Cache configurations differ sharply. The 6505P provides 112 KB of L1 per core, 2 MB of L2 per core, and 48 MB of shared L3 cache. The Gold 5320H offers 64 KB of L1 per core, 1 MB of L2 per core, and only 27.5 MB of shared L3. The 6505P's larger per-core caches directly contribute to its 21.2% single-core Cinebench wins. Memory architecture also diverges: the 6505P uses DDR5 with an eight-channel bus and 409.6 GB/s of bandwidth, while the Gold 5320H relies on DDR4 with six channels and just 128.0 GB/s. This 3.2x bandwidth advantage for the 6505P is a major factor in its multi-core leadership.

Connectivity stacks are equally different. The 6505P supports PCIe Gen 5 with 88 lanes (CPU only), while the Gold 5320H is limited to PCIe Gen 3 with 48 lanes. Socket compatibility also differs: the 6505P requires Intel Socket 4710, while the Gold 5320H uses Intel Socket 4189, meaning they are not drop-in replacements for each other. Both processors support ECC memory and are currently marked as Active production. The 6505P launched on 2025-02-23 with a launch MSRP of $563, while the Gold 5320H released on 2021-04-05 with no recorded launch MSRP.

FAQ

Q: Which processor has better single-thread performance?

A: The Intel Xeon 6505P wins every single-thread benchmark by a wide margin. It scores 464 vs 383 in Cinebench R15 single-core (21.1% higher), 1937 vs 1598 in R20 single-core (21.2% higher), 4614 vs 3806 in R23 single-core (21.2% higher), and 3187 vs 2428 in Passmark single-thread (31.3% higher).

Q: Does the Gold 5320H win any benchmarks?

A: Yes, it wins exactly two of the 17 head-to-head tests. The Gold 5320H outperforms the 6505P in Passmark data compression (500828 vs 480368, a 4.1% lead) and in Passmark random string sorting (62730 vs 52372, a 16.5% lead).

Q: How do their core counts affect multi-threaded performance?

A: Despite having 20 cores and 40 threads versus the 6505P's 12 cores and 24 threads, the Gold 5320H loses all multi-threaded Cinebench tests. The 6505P leads by 21.2% in R15 multi-core (3294 vs 2717), R20 multi-core (13728 vs 11323), and R23 multi-core (32687 vs 26960). Passmark multithread also favors the 6505P at 38456 vs 31718, a 21.2% advantage.

Q: What memory technologies do they support?

A: The 6505P supports DDR5 with an eight-channel memory bus and 409.6 GB/s bandwidth. The Gold 5320H supports DDR4 with a six-channel bus and 128.0 GB/s bandwidth. Both support ECC memory.

Q: Are they compatible with the same motherboards?

A: No. The 6505P uses Intel Socket 4710, while the Gold 5320H uses Intel Socket 4189. They also differ in PCIe support: the 6505P provides Gen 5 with 88 lanes, while the Gold 5320H provides Gen 3 with 48 lanes.

Q: Which processor has the higher boost clock?

A: The Gold 5320H has a marginal boost clock advantage at 4.20 GHz versus 4.10 GHz for the 6505P. Its base clock is also higher at 2.40 GHz versus 2.20 GHz. However, this does not translate into benchmark wins, as the 6505P's newer architecture and larger caches dominate.

Specification Differences

| Specification | Intel Xeon 6505P | Intel Xeon Gold 5320H |

|---|---|---|

| Cores | 12 | 20 |

| Threads | 24 | 40 |

| Base Clock | 2.20 GHz | 2.40 GHz |

| Boost Clock | 4.10 GHz | 4.20 GHz |

| Socket | Intel Socket 4710 | Intel Socket 4189 |

| Architecture | Granite Rapids | Cooper Lake |

| Codename | Granite Rapids | Cooper Lake-SP |

| Generation | Xeon 6 (Granite Rapids-SP) | Xeon Gold (Cooper Lake-SP) |

| Process Node | 5 nm | 14 nm |

| L1 Cache | 112 KB (per core) | 64 KB (per core) |

| L2 Cache | 2 MB (per core) | 1 MB (per core) |

| L3 Cache | 48 MB (shared) | 27.5 MB (shared) |

| Memory Support | DDR5 | DDR4 |

| Memory Bus | Eight-channel | Six-channel |

| Memory Bandwidth | 409.6 GB/s | 128.0 GB/s |

| PCIe | Gen 5, 88 Lanes (CPU only) | Gen 3, 48 Lanes (CPU only) |

| Release Date | 2025-02-23 | 2021-04-05 |

| Launch MSRP | $563 | null |

Head-to-Head Benchmarks

The 6505P sweeps the entire Cinebench suite with a uniform 21.2% margin across all six tests. In R15, it scores 3294 vs 2717 multi-core and 464 vs 383 single-core. In R20, the scores are 13728 vs 11323 multi-core and 1937 vs 1598 single-core. In R23, it posts 32687 vs 26960 multi-core and 4614 vs 3806 single-core. This consistency suggests an architectural advantage that is independent of workload type.

Passmark results show a similar pattern but with greater variance. The 6505P's largest win is in data encryption, where it scores 24458 vs 11462, a staggering 113.4% advantage. It also wins find prime numbers by 39.1% (217 vs 156), floating point math by 25.9% (92992 vs 73873), and physics by 24.9% (2991 vs 2395). The single-thread test shows a 31.3% lead (3187 vs 2428). Integer math is nearly a tie, with the 6505P winning by just 0.4% (120456 vs 119955), and extended instructions show a modest 2.6% lead (37515 vs 36564).

The Gold 5320H's two wins are notable for their specificity. Data compression at 500828 vs 480368 represents a 4.1% edge, while random string sorting at 62730 vs 52372 is a 16.5% margin. These are the only tests where the Gold's extra 8 cores and 16 threads translate into measurable performance gains. The passmark multithread test, which should favor the higher core count, still goes to the 6505P at 38456 vs 31718, a 21.2% win.

Where Each One Wins

The Intel Xeon 6505P is the winner in every general-purpose compute category. Its 21.2% lead across all Cinebench multi-core tests makes it the clear choice for rendering, 3D modeling, video encoding, and any CPU-bound batch processing. The 31.3% single-thread advantage extends this to database queries, web serving, and application responsiveness. The 113.4% encryption win is decisive for security appliances, VPN gateways, and any workload involving cryptographic operations. The 39.1% lead in prime number finding and 25.9% lead in floating point math make it superior for scientific computing, financial modeling, and simulation workloads. Its DDR5 memory with 409.6 GB/s bandwidth and PCIe Gen 5 with 88 lanes also make it the better foundation for memory-intensive and I/O-heavy deployments.

The Intel Xeon Gold 5320H wins in exactly two narrow niches. Its 4.1% lead in data compression makes it marginally better for backup servers, log processing, and file archival systems. Its 16.5% lead in random string sorting suggests an edge in text processing, indexing, and certain database operations that rely on string manipulation. However, these gains come with significant trade-offs: the Gold 5320H loses to the 6505P in every other category, has less than one-third the memory bandwidth, and operates on an older PCIe generation. For most data centers, the 6505P's broad dominance outweighs these two specialized wins. The Gold 5320H should only be selected when its specific strengths are the primary workload and the 6505P's advantages in encryption, physics, and single-thread performance are not relevant.