Xeon w9-3475X vs Ryzen Threadripper PRO 9955WX
Xeon w9-3475X
Ryzen Threadripper PRO 9955WX
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 w9-3475X
Performance Per Dollar Ryzen Threadripper PRO 9955WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon w9-3475X | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($3,930) | ✅ More affordable ($450) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Shimada Peak (2025) / 4 nm) |
💎 Value Proposition
| Insight | Xeon w9-3475X | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+807%) |
| Upfront Cost | ⚠️ Higher cost ($3,930) | ✅ More affordable ($450) |
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 w9-3475X and Ryzen Threadripper PRO 9955WX
Xeon w9-3475X
The Xeon w9-3475X is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 36 cores and 72 threads. Base frequency is 2.2 GHz, with boost up to 4.8 GHz. L3 cache: 82.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 300 Watt. Memory support: DDR5-4800. Passmark benchmark score: 65,077 points. Launch price was $3,739.
Ryzen Threadripper PRO 9955WX
The Ryzen Threadripper PRO 9955WX is manufactured by AMD. It was released in 23 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 67,561 points. Launch price was $1,649.
Processing Power
The Xeon w9-3475X packs 36 cores / 72 threads, while the Ryzen Threadripper PRO 9955WX offers 16 cores / 32 threads — the Xeon w9-3475X has 20 more cores. Boost clocks reach 4.8 GHz on the Xeon w9-3475X versus 5.4 GHz on the Ryzen Threadripper PRO 9955WX — a 11.8% clock advantage for the Ryzen Threadripper PRO 9955WX (base: 2.2 GHz vs 4.5 GHz). The Xeon w9-3475X uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the Ryzen Threadripper PRO 9955WX uses Shimada Peak (2025) (4 nm). In PassMark, the Xeon w9-3475X scores 65,077 against the Ryzen Threadripper PRO 9955WX's 67,561 — a 3.7% lead for the Ryzen Threadripper PRO 9955WX. Geekbench 6 single-core — the metric most relevant to gaming — records 1,814 vs 3,016, a 49.8% lead for the Ryzen Threadripper PRO 9955WX that directly translates to higher frame rates. Multi-core Geekbench: 44,869 vs 23,596 (62.1% advantage for the Xeon w9-3475X). L3 cache: 82.5 MB on the Xeon w9-3475X vs 64 MB (total) on the Ryzen Threadripper PRO 9955WX.
| Feature | Xeon w9-3475X | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Cores / Threads | 36 / 72+125% | 16 / 32 |
| Boost Clock | 4.8 GHz | 5.4 GHz+13% |
| Base Clock | 2.2 GHz | 4.5 GHz+105% |
| L3 Cache | 82.5 MB+29% | 64 MB (total) |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | Intel 7 nm | 4 nm-43% |
| Architecture | Sapphire Rapids (2023−2024) | Shimada Peak (2025) |
| PassMark | 65,077 | 67,561+4% |
| Cinebench R23 Multi | — | 40,000 |
| Geekbench 6 Single | 1,814 | 3,016+66% |
| Geekbench 6 Multi | 44,869+90% | 23,596 |
Memory & Platform
The Xeon w9-3475X uses the LGA4677 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9955WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800 memory speed. The Xeon w9-3475X supports up to 4096 GB of RAM compared to 2048 GB — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 112 (Xeon w9-3475X) vs 128 (Ryzen Threadripper PRO 9955WX) — the Ryzen Threadripper PRO 9955WX offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W790 (Xeon w9-3475X) and WRX90 (Ryzen Threadripper PRO 9955WX).
| Feature | Xeon w9-3475X | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Socket | LGA4677 | sTR5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800 | DDR5-6400 |
| Max RAM Capacity | 4096 GB+100% | 2048 GB |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 112 | 128+14% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support true virtualization. Direct competitor: Xeon w9-3475X rivals Threadripper PRO 7965WX; Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555.
| Feature | Xeon w9-3475X | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | true | true |
Value Analysis
The Xeon w9-3475X launched at $3739 MSRP, while the Ryzen Threadripper PRO 9955WX debuted at $429. At current prices ($3930 vs $450), the Ryzen Threadripper PRO 9955WX is $3480 cheaper. In terms of value (PassMark points per dollar), the Xeon w9-3475X delivers 16.6 pts/$ vs 150.1 pts/$ for the Ryzen Threadripper PRO 9955WX — making the Ryzen Threadripper PRO 9955WX the 160.3% better value option.
| Feature | Xeon w9-3475X | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| MSRP | $3739 | $429-89% |
| Avg Price (30d) | $3930 | $450-89% |
| Performance per Dollar | 16.6 | 150.1+804% |
| Release Date | 2023 | 2025 |
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