
Xeon W-3345 vs Ryzen 9 5900X

Xeon W-3345

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-3345
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3345 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($3,319) | ✅ 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-3345 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+667%) |
| Upfront Cost | ⚠️ Higher cost ($3,319) | ✅ 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-3345 and Ryzen 9 5900X

Xeon W-3345
The Xeon W-3345 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-W (2021) architecture. It features 24 cores and 48 threads. Base frequency is 3 GHz, with boost up to 4 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 250 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,140 points. Launch price was $800.

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-3345 packs 24 cores / 48 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Xeon W-3345 has 12 more cores. Boost clocks reach 4 GHz on the Xeon W-3345 versus 4.8 GHz on the Ryzen 9 5900X — a 18.2% clock advantage for the Ryzen 9 5900X (base: 3 GHz vs 3.7 GHz). The Xeon W-3345 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-3345 scores 48,140 against the Ryzen 9 5900X's 38,955 — a 21.1% lead for the Xeon W-3345. L3 cache: 36 MB (total) on the Xeon W-3345 vs 64 MB on the Ryzen 9 5900X.
| Feature | Xeon W-3345 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 24 / 48+100% | 12 / 24 |
| Boost Clock | 4 GHz | 4.8 GHz+20% |
| Base Clock | 3 GHz | 3.7 GHz+23% |
| L3 Cache | 36 MB (total) | 64 MB+78% |
| 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 | 48,140+24% | 38,955 |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | — | 2,174 |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Xeon W-3345 uses the LGA4189 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon W-3345 versus DDR4-3200 on the Ryzen 9 5900X — the Xeon W-3345 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3345 supports up to 4096 of RAM compared to 128 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (Xeon W-3345) vs 2 (Ryzen 9 5900X). PCIe lanes: 128 (Xeon W-3345) vs 24 (Ryzen 9 5900X) — the Xeon W-3345 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3,C621A (Xeon W-3345) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Xeon W-3345 | Ryzen 9 5900X |
|---|---|---|
| Socket | LGA4189 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200+79900% | DDR4-3200 |
| Max RAM Capacity | 4096 | 128 GB+3276700% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+433% | 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-3345 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Xeon W-3345) vs AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: Xeon W-3345 rivals Xeon Platinum 8362; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Xeon W-3345 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | — | Workstation |
Value Analysis
The Xeon W-3345 launched at $2499 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($3319 vs $350), the Ryzen 9 5900X is $2969 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3345 delivers 14.5 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 153.9% better value option.
| Feature | Xeon W-3345 | Ryzen 9 5900X |
|---|---|---|
| MSRP | $2499 | $549-78% |
| Avg Price (30d) | $3319 | $350-89% |
| Performance per Dollar | 14.5 | 111.3+668% |
| Release Date | 2021 | 2020 |
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