Ryzen Threadripper PRO 9955WX vs Xeon w7-3555
Ryzen Threadripper PRO 9955WX
Xeon w7-3555
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 Ryzen Threadripper PRO 9955WX
Performance Per Dollar Xeon w7-3555
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($450) | ⚠️ Higher cost ($2,199) |
| Longevity | ✨ Modern (Shimada Peak (2025) / 4 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+387%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($450) | ⚠️ Higher cost ($2,199) |
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 Ryzen Threadripper PRO 9955WX and Xeon w7-3555
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.
Xeon w7-3555
The Xeon w7-3555 is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 75 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 325 Watt. Memory support: DDR5-4800. Passmark benchmark score: 67,754 points. Launch price was $2,339.
Processing Power
The Ryzen Threadripper PRO 9955WX packs 16 cores / 32 threads, while the Xeon w7-3555 offers 28 cores / 56 threads — the Xeon w7-3555 has 12 more cores. Boost clocks reach 5.4 GHz on the Ryzen Threadripper PRO 9955WX versus 4.8 GHz on the Xeon w7-3555 — a 11.8% clock advantage for the Ryzen Threadripper PRO 9955WX (base: 4.5 GHz vs 2.7 GHz). The Ryzen Threadripper PRO 9955WX uses the Shimada Peak (2025) architecture (4 nm), while the Xeon w7-3555 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 9955WX scores 67,561 against the Xeon w7-3555's 67,754 — a 0.3% lead for the Xeon w7-3555. Geekbench 6 single-core — the metric most relevant to gaming — records 3,016 vs 2,300, a 26.9% lead for the Ryzen Threadripper PRO 9955WX that directly translates to higher frame rates. Multi-core Geekbench: 23,596 vs 17,120 (31.8% advantage for the Ryzen Threadripper PRO 9955WX). L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 9955WX vs 75 MB on the Xeon w7-3555.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| Cores / Threads | 16 / 32 | 28 / 56+75% |
| Boost Clock | 5.4 GHz+13% | 4.8 GHz |
| Base Clock | 4.5 GHz+67% | 2.7 GHz |
| L3 Cache | 64 MB (total) | 75 MB+17% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 4 nm-43% | Intel 7 nm |
| Architecture | Shimada Peak (2025) | Sapphire Rapids (2023−2024) |
| PassMark | 67,561 | 67,754 |
| Cinebench R23 Multi | 40,000 | — |
| Geekbench 6 Single | 3,016+31% | 2,300 |
| Geekbench 6 Multi | 23,596+38% | 17,120 |
Memory & Platform
The Ryzen Threadripper PRO 9955WX uses the sTR5 socket (PCIe 4.0), while the Xeon w7-3555 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Xeon w7-3555 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: 128 (Ryzen Threadripper PRO 9955WX) vs 112 (Xeon w7-3555) — the Ryzen Threadripper PRO 9955WX offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX90 (Ryzen Threadripper PRO 9955WX) and W790 (Xeon w7-3555).
| Feature | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| Socket | sTR5 | LGA4677 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR5-6400 | DDR5-4800 |
| Max RAM Capacity | 2048 GB | 4096 GB+100% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+14% | 112 |
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: Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555; Xeon w7-3555 rivals Threadripper PRO 7965WX.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | true | true |
Value Analysis
The Ryzen Threadripper PRO 9955WX launched at $429 MSRP, while the Xeon w7-3555 debuted at $2749. At current prices ($450 vs $2199), the Ryzen Threadripper PRO 9955WX is $1749 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 9955WX delivers 150.1 pts/$ vs 30.8 pts/$ for the Xeon w7-3555 — making the Ryzen Threadripper PRO 9955WX the 131.9% better value option.
| Feature | Ryzen Threadripper PRO 9955WX | Xeon w7-3555 |
|---|---|---|
| MSRP | $429-84% | $2749 |
| Avg Price (30d) | $450-80% | $2199 |
| Performance per Dollar | 150.1+387% | 30.8 |
| Release Date | 2025 | 2024 |
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