EPYC 9355P vs Ryzen Threadripper 9960X
EPYC 9355P
Ryzen Threadripper 9960X
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 9960X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 9355P | Ryzen Threadripper 9960X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($3,026) | ✅ More affordable ($1,419) |
| Longevity | ✨ Modern (Turin (2024) / 4 nm) | ✨ Modern (Shimada Peak (2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 9355P | Ryzen Threadripper 9960X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+104%) |
| Upfront Cost | ⚠️ Higher cost ($3,026) | ✅ More affordable ($1,419) |
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 9960X
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 9960X
The Ryzen Threadripper 9960X is manufactured by AMD. It was released in 30 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 24 cores and 48 threads. Base frequency is 4.2 GHz, with boost up to 5.3 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: 92,808 points. Launch price was $1,499.
Processing Power
The EPYC 9355P packs 32 cores / 64 threads, while the Ryzen Threadripper 9960X offers 24 cores / 48 threads — the EPYC 9355P has 8 more cores. Boost clocks reach 4.4 GHz on the EPYC 9355P versus 5.3 GHz on the Ryzen Threadripper 9960X — a 18.6% clock advantage for the Ryzen Threadripper 9960X (base: 3.55 GHz vs 4.2 GHz). The EPYC 9355P uses the Turin (2024) architecture (4 nm), while the Ryzen Threadripper 9960X uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 9355P scores 97,249 against the Ryzen Threadripper 9960X's 92,808 — a 4.7% lead for the EPYC 9355P. L3 cache: 256 MB (total) on the EPYC 9355P vs 128 MB (total) on the Ryzen Threadripper 9960X.
| Feature | EPYC 9355P | Ryzen Threadripper 9960X |
|---|---|---|
| Cores / Threads | 32 / 64+33% | 24 / 48 |
| Boost Clock | 4.4 GHz | 5.3 GHz+20% |
| Base Clock | 3.55 GHz | 4.2 GHz+18% |
| 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+5% | 92,808 |
| Cinebench R23 Multi | — | 41,000 |
| Geekbench 6 Single | — | 3,200 |
| Geekbench 6 Multi | — | 26,000 |
Memory & Platform
The EPYC 9355P uses the SP5 socket (PCIe 5.0), while the Ryzen Threadripper 9960X uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6000 memory speed. The Ryzen Threadripper 9960X supports up to 1024 GB of RAM compared to 6 TB — 197.7% more capacity for professional workloads. Memory channels: 12 (EPYC 9355P) vs 4 (Ryzen Threadripper 9960X). PCIe lanes: 128 (EPYC 9355P) vs 88 (Ryzen Threadripper 9960X) — the EPYC 9355P offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP5 (EPYC 9355P) and TRX50 (Ryzen Threadripper 9960X).
| Feature | EPYC 9355P | Ryzen Threadripper 9960X |
|---|---|---|
| Socket | SP5 | sTR5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6000 | DDR5-6400 |
| Max RAM Capacity | 6 TB+500% | 1024 GB |
| RAM Channels | 12+200% | 4 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+45% | 88 |
Advanced Features
Virtualization support: AMD-V, SEV-SNP (EPYC 9355P) vs true (Ryzen Threadripper 9960X). Primary use case: EPYC 9355P targets Data Center / Single Socket, Ryzen Threadripper 9960X targets Content Creation / Rendering. Direct competitor: EPYC 9355P rivals Xeon 6740P; Ryzen Threadripper 9960X rivals Xeon w7-3555.
| Feature | EPYC 9355P | Ryzen Threadripper 9960X |
|---|---|---|
| Integrated GPU | No | No |
| AVX-512 | — | Yes |
| Virtualization | AMD-V, SEV-SNP | true |
| Target Use | Data Center / Single Socket | Content Creation / Rendering |
Value Analysis
The EPYC 9355P launched at $2998 MSRP, while the Ryzen Threadripper 9960X debuted at $1499. At current prices ($3026 vs $1419), the Ryzen Threadripper 9960X is $1607 cheaper. In terms of value (PassMark points per dollar), the EPYC 9355P delivers 32.1 pts/$ vs 65.4 pts/$ for the Ryzen Threadripper 9960X — making the Ryzen Threadripper 9960X the 68.2% better value option.
| Feature | EPYC 9355P | Ryzen Threadripper 9960X |
|---|---|---|
| MSRP | $2998 | $1499-50% |
| Avg Price (30d) | $3026 | $1419-53% |
| Performance per Dollar | 32.1 | 65.4+104% |
| Release Date | 2024 | 2025 |
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