EPYC 9355P
Ryzen Threadripper 9960X
EPYC 9355P vs Ryzen Threadripper 9960X Performance Spectrum
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.
EPYC 9355P vs Ryzen Threadripper 9960X FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
EPYC 9355P vs Ryzen Threadripper 9960X: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 9355P
2024Why buy it
- ✅+4.8% higher PassMark.
- ✅+100% larger total L3 cache (256 MB vs 128 MB).
- ✅Draws 280W instead of 350W, a 70W reduction.
- ✅45.5% more PCIe lanes (128 vs 88) for storage and expansion-heavy builds.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen Threadripper 9960X across 50 shared CPU benchmark tests.
- ❌Lower PassMark per dollar, at 32.4 vs 61.9 PassMark/$ ($2,998 MSRP vs $1,499 MSRP).
- ❌No AVX-512 support for niche heavy compute workloads where it can matter.
Ryzen Threadripper 9960X
2025Why buy it
- ✅Better for gaming: +13.6% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $1,499 less on MSRP ($1,499 MSRP vs $2,998 MSRP).
- ✅Delivers 90.9% more PassMark for each dollar spent, at 61.9 vs 32.4 PassMark/$ ($1,499 MSRP vs $2,998 MSRP).
Trade-offs
- ❌Lower PassMark (92,808 vs 97,249).
- ❌Smaller total L3 cache (128 MB vs 256 MB).
- ❌25% higher power demand at 350W vs 280W.
Quick Answers
So, is Ryzen Threadripper 9960X better than EPYC 9355P?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
EPYC 9355P vs Ryzen Threadripper 9960X Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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. Maximum memory speed reaches DDR5-6000 on the EPYC 9355P versus DDR5-6400 on the Ryzen Threadripper 9960X — the Ryzen Threadripper 9960X supports 6.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9355P supports up to 6 TB of RAM compared to 1024 GB — 500% 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+7% |
| Max RAM Capacity | 6 TB+500% | 1024 GB |
| RAM Channels | 12+200% | 4 |
| ECC Support | Yes | Yes |
| 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
At launch, the EPYC 9355P was priced at $2998, while the Ryzen Threadripper 9960X came in at $1499. On launch pricing ($2998 vs $1499), Ryzen Threadripper 9960X was $1499 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9355P delivers 32.4 pts/$ vs 61.9 pts/$ for the Ryzen Threadripper 9960X — making the Ryzen Threadripper 9960X the 62.5% better value option.
| Feature | EPYC 9355P | Ryzen Threadripper 9960X |
|---|---|---|
| MSRP | $2998 | $1499-50% |
| Performance per Dollar | 32.4 | 61.9+91% |
| Release Date | 2024 | 2025 |
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