AMD Ryzen 9 9900X vs Intel Xeon w5-2545 Comparison

FAQ

Q: Which processor has the higher average benchmark score?

A: The Intel Xeon w5-2545 holds a slight edge in average benchmark score at 58504, versus 57498 for the AMD Ryzen 9 9900X. Both sit at the 92nd percentile among all CPUs, so they are effectively in the same performance class overall.

Q: Are these processors similar in core and thread counts?

A: Yes, both have exactly 12 cores and 24 threads. Despite that parity, their benchmark results diverge significantly depending on the workload, with the AMD winning 12 of 15 head-to-head tests and the Intel winning 3.

Q: Which chip is better for single-threaded Cinebench workloads?

A: The Intel Xeon w5-2545 dominates in Cinebench single-core tests. It scores 4918 in Cinebench R23 single-core versus 2253 for the Ryzen 9 9900X, a 118.3% advantage. The Intel also wins R15 single-core by 40.2% (495 vs 353).

Q: How do the two compare in passmark single-thread performance?

A: The AMD Ryzen 9 9900X wins passmark single-thread by 23.5%, scoring 4672 versus 3573 for the Intel. This is a notable reversal from the Cinebench single-core results, showing that benchmark choice matters heavily.

Q: Which CPU has the higher boost clock?

A: The AMD Ryzen 9 9900X boosts to 5.60 GHz, while the Intel Xeon w5-2545 boosts to 4.70 GHz. The AMD also has a higher base clock at 4.40 GHz versus 3.50 GHz for the Intel.

Q: What is the TDP difference between these two?

A: The Intel Xeon w5-2545 has a TDP of 210, while the AMD Ryzen 9 9900X has a TDP of 120. This indicates the Intel draws significantly more power under load, consistent with its workstation-oriented design.

Architecture Differences

The Intel Xeon w5-2545 is built on Sapphire Rapids architecture, fabricated on a 10 nm process at Intel's own foundry. It uses the Intel Socket 4677 platform and targets the server/workstation market segment. Its cache layout features 80 KB of L1 per core, 2 MB of L2 per core, and 30 MB of shared L3 cache. Memory support is DDR5 over a quad-channel bus, providing 153.6 GB/s of memory bandwidth. It also includes ECC memory support and offers PCIe Gen 5 with 64 lanes (CPU only). The chip has no integrated graphics and its multiplier is locked.

The AMD Ryzen 9 9900X uses the Zen 5 architecture (Granite Ridge codename) from the 9000 series, fabricated on a 4 nm process at TSMC. It employs a chiplet design with 16,630 million transistors across 2x 70.6 mm² dies. The socket is AMD Socket AM5, aimed at the desktop market. Cache configuration includes 80 KB L1 per core, 1 MB L2 per core, and a much larger 64 MB L3 cache. Memory support is DDR5 over a dual-channel bus, yielding 89.6 GB/s of bandwidth — notably lower than the Intel. It also supports ECC memory and PCIe Gen 5, but with only 24 lanes. The AMD includes integrated Radeon Graphics, has an unlocked multiplier, and was released roughly nine days before the Intel (August 14 vs August 23, 2024).

The key architectural divergence is the memory subsystem: Intel's quad-channel design delivers 71.6% more memory bandwidth (153.6 vs 89.6 GB/s), while AMD's larger 64 MB L3 cache (more than double the Intel's 30 MB) helps compensate in cache-sensitive workloads. The process node difference (10 nm vs 4 nm) and foundry choice (Intel vs TSMC) also contribute to the substantial TDP gap of 210 versus 120.

Where Each One Wins

The AMD Ryzen 9 9900X wins in the majority of workloads tested, taking 12 of 15 head-to-head benchmarks. Its strengths are most pronounced in passmark suites: integer math (181056 vs 135576, a 25.1% lead), floating-point math (120083 vs 105619, a 12% lead), and extended instructions (55243 vs 42515, a 23% lead). It also wins decisively in data compression (683579 vs 519755, a 24% lead), data encryption (33421 vs 26266, a 21.4% lead), and find prime numbers (436 vs 182, a 58.3% lead). The AMD's multi-threaded passmark score (54643) is 25% higher than the Intel's (40988), and it wins in physics (3381 vs 2445) and random string sorting (72013 vs 53620). In Cinebench R15 multi-core, the AMD wins by 29.9% (5008 vs 3511). This pattern suggests the Ryzen excels in general computing, content creation, and heavily threaded desktop tasks.

The Intel Xeon w5-2545 wins only 3 head-to-head tests, but they are significant. It wins Cinebench R23 multi-core by 8.3% (34839 vs 32172), which is a modern multi-threaded rendering workload. More striking are its Cinebench single-core victories: R23 single-core by 118.3% (4918 vs 2253) and R15 single-core by 40.2% (495 vs 353). These results indicate the Intel has a substantial advantage in certain single-threaded rendering tasks, even though its passmark single-thread score is lower. The Intel's wins align with its workstation positioning, where specific software optimized for Intel's architecture may see outsized gains.

For a desktop user running mixed workloads, the AMD is the more consistent performer. For a professional relying on Cinebench-specific rendering or needing maximum memory bandwidth, the Intel's wins in that specific benchmark and its quad-channel memory interface make it the targeted choice.

Specification Differences

The table below highlights only the specifications where the two processors differ:

| Specification | Intel Xeon w5-2545 | AMD Ryzen 9 9900X |

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

| Base Clock | 3.50 GHz | 4.40 GHz |

| Boost Clock | 4.70 GHz | 5.60 GHz |

| TDP | 210 | 120 |

| Socket | Intel Socket 4677 | AMD Socket AM5 |

| Codename | Sapphire Rapids | Granite Ridge |

| Process Node | 10 nm | 4 nm |

| Foundry | Intel | TSMC |

| Transistors | Not listed | 16,630 million |

| Die Size | Not listed | 2x 70.6 mm² |

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

| L3 Cache | 30 MB | 64 MB |

| Memory Bus | Quad-channel | Dual-channel |

| Memory Bandwidth | 153.6 GB/s | 89.6 GB/s |

| PCIe Lanes | 64 (CPU only) | 24 (CPU only) |

| Integrated Graphics | N/A | Radeon Graphics |

| Market Segment | Server/Workstation | Desktop |

| Release Date | 2024-08-23 | 2024-08-14 |

| Launch MSRP | $889 | $499 |

| Multiplier Unlocked | No | Yes |

| Part Number | SRN4G | 100-000000662 |

Both share 12 cores, 24 threads, 80 KB L1 per core, DDR5 memory support, ECC memory, and PCIe Gen 5. The AMD has a higher clock speed on both base and boost, a smaller process node, a larger L3 cache, and an unlocked multiplier. The Intel counters with more L2 cache per core, quad-channel memory, more PCIe lanes, and higher memory bandwidth.

Head-to-Head Benchmarks

The most lopsided result in the entire comparison is Cinebench R23 single-core, where the Intel Xeon w5-2545 scores 4918 against the AMD's 2253 — a 118.3% delta. This is a massive, almost suspiciously large gap, and it drives the Intel's win tally. In Cinebench R15 single-core, the Intel wins again by 40.2% (495 vs 353), confirming a pattern in Cinebench's single-threaded tests. These are the Intel's two biggest wins, and they suggest that Cinebench's rendering engine responds very differently to the two architectures.

The AMD's largest win comes in passmark find prime numbers, where it scores 436 versus 182 for the Intel — a 58.3% advantage. This workload is heavily integer-dependent, and the AMD's lead in integer math (181056 vs 135576, a 25.1% delta) supports that. The AMD also wins Cinebench R15 multi-core by 29.9% (5008 vs 3511), which is notable because the Intel wins the newer R23 multi-core test by 8.3%. This reversal across Cinebench versions suggests that the Intel's performance scales better in the newer benchmark, while the AMD is faster in the older one.

In passmark multi-thread, the AMD leads by 25% (54643 vs 40988). Data compression shows a 24% AMD lead (683579 vs 519755), and data encryption shows a 21.4% AMD lead (33421 vs 26266). Extended instructions favor the AMD by 23% (55243 vs 42515), physics by 27.7% (3381 vs 2445), and random string sorting by 25.5% (72013 vs 53620). Floating-point math is closer, with the AMD ahead by 12% (120083 vs 105619). Passmark single-thread also goes to the AMD by 23.5% (4672 vs 3573).

The overall scoreboard is 12 wins for the AMD and 3 for the Intel. The Intel's wins are concentrated in Cinebench (both single-core tests and R23 multi-core), while the AMD sweeps all passmark tests and R15 multi-core. The average benchmark scores are nearly identical (58504 vs 57498, a 0.2% difference), which masks the stark workload-dependent swings. This is a case where the aggregate hides the true story: the two CPUs are not interchangeable, and their relative performance depends almost entirely on which application you run.

The Verdict

The data points to a clear split. The AMD Ryzen 9 9900X is the better all-around processor for general desktop use. It wins 12 of 15 benchmarks, including every passmark test, and it does so with a TDP of 120 versus the Intel's 210. Its leads in integer math, floating-point math, data compression, and encryption are consistent across the board. For a mainstream desktop user running typical productivity, encoding, and simulation workloads, the AMD is the stronger pick. Its lower TDP also makes it far easier to cool in a standard desktop chassis, and its unlocked multiplier offers headroom for overclocking.

The Intel Xeon w5-2545 is the specialist. It wins Cinebench R23 multi-core by 8.3% and has overwhelming leads in Cinebench single-core (118.3% in R23, 40.2% in R15). If your primary application is Cinebench-based rendering or another workload that mirrors its engine, the Intel is the faster chip despite its lower passmark scores. Its quad-channel memory bus delivers 153.6 GB/s of bandwidth, which is 71.6% more than the AMD's 89.6 GB/s — a critical factor for memory-bound workstation tasks that aren't captured in these specific benchmarks. The Intel also offers 64 PCIe lanes versus 24, making it the obvious choice for multi-GPU or high-bandwidth I/O systems.

Choose the AMD Ryzen 9 9900X for a balanced, efficient desktop processor that wins most benchmarks. Choose the Intel Xeon w5-2545 if your workflow is Cinebench-centric or requires the memory bandwidth and PCIe lane count that only a workstation platform can provide. The Intel's launch MSRP is $889, while the AMD's is $499, but the price difference is secondary to the architectural fit. The AMD is the generalist's tool; the Intel is the specialist's instrument. Both are at the 92nd percentile, so neither is a weak choice — but they are optimized for different arenas.