EPYC 9355P vs Ryzen Threadripper PRO 9975WX
EPYC 9355P
Ryzen Threadripper PRO 9975WX
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 EPYC 9355P
Performance Per Dollar Ryzen Threadripper PRO 9975WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9355P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($3,026) | ⚠️ Higher cost ($4,182) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Shimada Peak (2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9355P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+26%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($3,026) | ⚠️ Higher cost ($4,182) |
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 EPYC 9355P and Ryzen Threadripper PRO 9975WX
EPYC 9355P
The EPYC 9355P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 32 cores and 64 threads. Base frequency is 3.55 GHz, with boost up to 4.4 GHz. L3 cache: 256 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: SP5. Thermal design power (TDP): 280 Watt. Memory support: DDR5. Passmark benchmark score: 97,249 points. Launch price was $2,998.
Ryzen Threadripper PRO 9975WX
The Ryzen Threadripper PRO 9975WX 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 32 cores and 64 threads. Base frequency is 4 GHz, with boost up to 5.4 GHz. L3 cache: 128 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: 106,263 points. Launch price was $4,099.
Processing Power
Both the EPYC 9355P and Ryzen Threadripper PRO 9975WX share an identical 32-core/64-thread configuration. Boost clocks reach 4.4 GHz on the EPYC 9355P versus 5.4 GHz on the Ryzen Threadripper PRO 9975WX — a 20.4% clock advantage for the Ryzen Threadripper PRO 9975WX (base: 3.55 GHz vs 4 GHz). The EPYC 9355P uses the Turin (2024) architecture (4 nm), while the Ryzen Threadripper PRO 9975WX uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 9355P scores 97,249 against the Ryzen Threadripper PRO 9975WX's 106,263 — a 8.9% lead for the Ryzen Threadripper PRO 9975WX. L3 cache: 256 MB (total) on the EPYC 9355P vs 128 MB (total) on the Ryzen Threadripper PRO 9975WX.
| Feature | EPYC 9355P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| Cores / Threads | 32 / 64 | 32 / 64 |
| Boost Clock | 4.4 GHz | 5.4 GHz+23% |
| Base Clock | 3.55 GHz | 4 GHz+13% |
| L3 Cache | 256 MB (total)+100% | 128 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Turin (2024) | Shimada Peak (2025) |
| PassMark | 97,249 | 106,263+9% |
| Cinebench R23 Multi | — | 83,982 |
| Geekbench 6 Single | — | 3,200 |
| Geekbench 6 Multi | — | 31,000 |
Memory & Platform
The EPYC 9355P uses the SP5 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9975WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6000 memory speed. The Ryzen Threadripper PRO 9975WX supports up to 2048 GB of RAM compared to 6 TB — 198.8% more capacity for professional workloads. Memory channels: 12 (EPYC 9355P) vs 8 (Ryzen Threadripper PRO 9975WX). Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9355P) and WRX90,TRX50 (Ryzen Threadripper PRO 9975WX).
| Feature | EPYC 9355P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| Socket | SP5 | sTR5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6000 | DDR5-6400 |
| Max RAM Capacity | 6 TB+200% | 2048 GB |
| RAM Channels | 12+50% | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Virtualization support: AMD-V, SEV-SNP (EPYC 9355P) vs true (Ryzen Threadripper PRO 9975WX). Primary use case: EPYC 9355P targets Data Center / Single Socket, Ryzen Threadripper PRO 9975WX targets High-end Workstation. Direct competitor: EPYC 9355P rivals Xeon 6740P; Ryzen Threadripper PRO 9975WX rivals Xeon w7-3465X.
| Feature | EPYC 9355P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| Integrated GPU | No | No |
| AVX-512 | — | Yes |
| Virtualization | AMD-V, SEV-SNP | true |
| Target Use | Data Center / Single Socket | High-end Workstation |
Value Analysis
The EPYC 9355P launched at $2998 MSRP, while the Ryzen Threadripper PRO 9975WX debuted at $4099. At current prices ($3026 vs $4182), the EPYC 9355P is $1156 cheaper. In terms of value (PassMark points per dollar), the EPYC 9355P delivers 32.1 pts/$ vs 25.4 pts/$ for the Ryzen Threadripper PRO 9975WX — making the EPYC 9355P the 23.4% better value option.
| Feature | EPYC 9355P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| MSRP | $2998-27% | $4099 |
| Avg Price (30d) | $3026-28% | $4182 |
| Performance per Dollar | 32.1+26% | 25.4 |
| Release Date | 2024 | 2025 |
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