Xeon W-3365 vs Ryzen Threadripper PRO 9945WX
Xeon W-3365
Ryzen Threadripper PRO 9945WX
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 Threadripper PRO 9945WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-3365 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($3,499) | ✅ More affordable ($1,340) |
| Longevity | ✨ Modern (Ice Lake-W (2021) / 10 nm) | ✨ Modern (Shimada Peak (2025) / 4 nm) |
💎 Value Proposition
| Insight | Xeon W-3365 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+159%) |
| Upfront Cost | ⚠️ Higher cost ($3,499) | ✅ More affordable ($1,340) |
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 Threadripper PRO 9945WX
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 Threadripper PRO 9945WX
The Ryzen Threadripper PRO 9945WX is manufactured by AMD. It was released in 2025-01-01. It is based on the Shimada Peak (2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 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: 56,854 points. Launch price was $2,000.
Processing Power
The Xeon W-3365 packs 32 cores / 64 threads, while the Ryzen Threadripper PRO 9945WX offers 12 cores / 24 threads — the Xeon W-3365 has 20 more cores. Boost clocks reach 4 GHz on the Xeon W-3365 versus 5.4 GHz on the Ryzen Threadripper PRO 9945WX — a 29.8% clock advantage for the Ryzen Threadripper PRO 9945WX (base: 2.7 GHz vs 4.7 GHz). The Xeon W-3365 uses the Ice Lake-W (2021) architecture (10 nm), while the Ryzen Threadripper PRO 9945WX uses Shimada Peak (2025) (4 nm). In PassMark, the Xeon W-3365 scores 57,312 against the Ryzen Threadripper PRO 9945WX's 56,854 — a 0.8% lead for the Xeon W-3365. L3 cache: 48 MB (total) on the Xeon W-3365 vs 64 MB (total) on the Ryzen Threadripper PRO 9945WX.
| Feature | Xeon W-3365 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Cores / Threads | 32 / 64+167% | 12 / 24 |
| Boost Clock | 4 GHz | 5.4 GHz+35% |
| Base Clock | 2.7 GHz | 4.7 GHz+74% |
| L3 Cache | 48 MB (total) | 64 MB (total)+33% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 10 nm | 4 nm-60% |
| Architecture | Ice Lake-W (2021) | Shimada Peak (2025) |
| PassMark | 57,312 | 56,854 |
| Geekbench 6 Single | 1,960 | — |
| Geekbench 6 Multi | 16,817 | — |
Memory & Platform
The Xeon W-3365 uses the LGA4189 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9945WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Xeon W-3365 versus 6400 on the Ryzen Threadripper PRO 9945WX — the Ryzen Threadripper PRO 9945WX supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3365 supports up to 4096 GB of RAM compared to 2048 — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 64 (Xeon W-3365) vs 128 (Ryzen Threadripper PRO 9945WX) — the Ryzen Threadripper PRO 9945WX offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C621A (Xeon W-3365) and WRX90,TRX50 (Ryzen Threadripper PRO 9945WX).
| Feature | Xeon W-3365 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Socket | LGA4189 | sTR5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | 6400+159900% |
| Max RAM Capacity | 4096 GB+209715100% | 2048 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 64 | 128+100% |
Advanced Features
Only the Ryzen Threadripper PRO 9945WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Xeon W-3365) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 9945WX). Direct competitor: Xeon W-3365 rivals EPYC 7543; Ryzen Threadripper PRO 9945WX rivals Xeon w7-3545.
| Feature | Xeon W-3365 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d, AMD-V |
Value Analysis
The Xeon W-3365 launched at $3499 MSRP, while the Ryzen Threadripper PRO 9945WX debuted at $1340. At current prices ($3499 vs $1340), the Ryzen Threadripper PRO 9945WX is $2159 cheaper. In terms of value (PassMark points per dollar), the Xeon W-3365 delivers 16.4 pts/$ vs 42.4 pts/$ for the Ryzen Threadripper PRO 9945WX — making the Ryzen Threadripper PRO 9945WX the 88.6% better value option.
| Feature | Xeon W-3365 | Ryzen Threadripper PRO 9945WX |
|---|---|---|
| MSRP | $3499 | $1340-62% |
| Avg Price (30d) | $3499 | $1340-62% |
| Performance per Dollar | 16.4 | 42.4+159% |
| Release Date | 2021 | 2025 |
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