Xeon W-3365 vs Ryzen 9 5900X
Xeon W-3365
Ryzen 9 5900X
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon W-3365
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3365 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($3,499) | ✅ More affordable ($350) |
| Longevity | ✨ Modern (Ice Lake-W (2021) / 10 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Xeon W-3365 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+580%) |
| Upfront Cost | ⚠️ Higher cost ($3,499) | ✅ More affordable ($350) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Xeon W-3365 and Ryzen 9 5900X
Xeon W-3365
The Xeon W-3365 is manufactured by Intel. It was released in 2021-07-29. It is based on the Ice Lake-W (2021) architecture. It features 32 cores and 64 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 48 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 57,312 points. Launch price was $3,499.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Xeon W-3365 packs 32 cores / 64 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Xeon W-3365 has 20 more cores. Boost clocks reach 4 GHz on the Xeon W-3365 versus 4.8 GHz on the Ryzen 9 5900X — a 18.2% clock advantage for the Ryzen 9 5900X (base: 2.7 GHz vs 3.7 GHz). The Xeon W-3365 uses the Ice Lake-W (2021) architecture (10 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Xeon W-3365 scores 57,312 against the Ryzen 9 5900X's 38,955 — a 38.1% lead for the Xeon W-3365. Geekbench 6 single-core — the metric most relevant to gaming — records 1,960 vs 2,174, a 10.4% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 16,817 vs 11,888 (34.3% advantage for the Xeon W-3365). L3 cache: 48 MB (total) on the Xeon W-3365 vs 64 MB on the Ryzen 9 5900X.
| Feature | Xeon W-3365 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 32 / 64+167% | 12 / 24 |
| Boost Clock | 4 GHz | 4.8 GHz+20% |
| Base Clock | 2.7 GHz | 3.7 GHz+37% |
| L3 Cache | 48 MB (total) | 64 MB+33% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 10 nm | 7 nm, 12 nm-30% |
| Architecture | Ice Lake-W (2021) | Vermeer (Zen3) (2020−2022) |
| PassMark | 57,312+47% | 38,955 |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | 1,960 | 2,174+11% |
| Geekbench 6 Multi | 16,817+41% | 11,888 |
Memory & Platform
The Xeon W-3365 uses the LGA4189 socket (PCIe 5.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Xeon W-3365 supports up to 4096 GB of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (Xeon W-3365) vs 2 (Ryzen 9 5900X). PCIe lanes: 64 (Xeon W-3365) vs 24 (Ryzen 9 5900X) — the Xeon W-3365 offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C621A (Xeon W-3365) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Xeon W-3365 | Ryzen 9 5900X |
|---|---|---|
| Socket | LGA4189 | AM4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 4096 GB+3100% | 128 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64+167% | 24 |
Advanced Features
Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon W-3365 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Xeon W-3365) vs AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Xeon W-3365 rivals EPYC 7543; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Xeon W-3365 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | true | AMD-V |
| Target Use | — | Workstation |
Value Analysis
The Xeon W-3365 launched at $3499 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($3499 vs $350), the Ryzen 9 5900X is $3149 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3365 delivers 16.4 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 148.7% better value option.
| Feature | Xeon W-3365 | Ryzen 9 5900X |
|---|---|---|
| MSRP | $3499 | $549-84% |
| Avg Price (30d) | $3499 | $350-90% |
| Performance per Dollar | 16.4 | 111.3+579% |
| Release Date | 2021 | 2020 |
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