EPYC 9455P
Ryzen Threadripper PRO 9975WX
EPYC 9455P vs Ryzen Threadripper PRO 9975WX 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 9455P vs Ryzen Threadripper PRO 9975WX 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 9455P vs Ryzen Threadripper PRO 9975WX: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 9455P
2024Why buy it
- ✅+100% larger total L3 cache (256 MB vs 128 MB).
- ✅Draws 300W instead of 350W, a 50W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9975WX across 50 shared CPU benchmark tests.
- ❌Lower Geekbench multi-core (1,898 vs 31,000).
- ❌17.6% HIGHER MSRP$4,819 MSRPvs$4,099 MSRP
Ryzen Threadripper PRO 9975WX
2025Why buy it
- ✅Better for gaming: +16.6% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $720 less on MSRP ($4,099 MSRP vs $4,819 MSRP).
- ✅AVX-512 support for select workstation, AI, and scientific workloads.
Trade-offs
- ❌Smaller total L3 cache (128 MB vs 256 MB).
- ❌16.7% higher power demand at 350W vs 300W.
Quick Answers
So, is Ryzen Threadripper PRO 9975WX better than EPYC 9455P?
Which one is better for gaming?
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 9455P vs Ryzen Threadripper PRO 9975WX Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
EPYC 9455P
The EPYC 9455P is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 48 cores and 96 threads. Base frequency is 3.15 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): 300 Watt. Memory support: DDR5. Passmark benchmark score: 116,926 points. Launch price was $4,819.
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
The EPYC 9455P packs 48 cores / 96 threads, while the Ryzen Threadripper PRO 9975WX offers 32 cores / 64 threads — the EPYC 9455P has 16 more cores. Boost clocks reach 4.4 GHz on the EPYC 9455P versus 5.4 GHz on the Ryzen Threadripper PRO 9975WX — a 20.4% clock advantage for the Ryzen Threadripper PRO 9975WX (base: 3.15 GHz vs 4 GHz). The EPYC 9455P uses the Turin (2024) architecture (4 nm), while the Ryzen Threadripper PRO 9975WX uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 9455P scores 116,926 against the Ryzen Threadripper PRO 9975WX's 106,263 — a 9.6% lead for the EPYC 9455P. Geekbench 6 single-core — the metric most relevant to gaming — records 1,962 vs 3,200, a 48% lead for the Ryzen Threadripper PRO 9975WX that directly translates to higher frame rates. Multi-core Geekbench: 1,898 vs 31,000 (176.9% advantage for the Ryzen Threadripper PRO 9975WX). L3 cache: 256 MB (total) on the EPYC 9455P vs 128 MB (total) on the Ryzen Threadripper PRO 9975WX.
| Feature | EPYC 9455P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| Cores / Threads | 48 / 96+50% | 32 / 64 |
| Boost Clock | 4.4 GHz | 5.4 GHz+23% |
| Base Clock | 3.15 GHz | 4 GHz+27% |
| 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 | 116,926+10% | 106,263 |
| Cinebench R23 Multi | — | 83,982 |
| Geekbench 6 Single | 1,962 | 3,200+63% |
| Geekbench 6 Multi | 1,898 | 31,000+1533% |
Memory & Platform
The EPYC 9455P 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. Maximum memory speed reaches DDR5-6000 on the EPYC 9455P versus DDR5-6400 on the Ryzen Threadripper PRO 9975WX — the Ryzen Threadripper PRO 9975WX supports 6.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9455P supports up to 9 TB of RAM compared to 2048 GB — 350% more capacity for professional workloads. Memory channels: 12 (EPYC 9455P) vs 8 (Ryzen Threadripper PRO 9975WX). Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9455P) and WRX90,TRX50 (Ryzen Threadripper PRO 9975WX).
| Feature | EPYC 9455P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| Socket | SP5 | sTR5 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-6000 | DDR5-6400+7% |
| Max RAM Capacity | 9 TB+350% | 2048 GB |
| RAM Channels | 12+50% | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128 | 128 |
Advanced Features
Virtualization support: AMD-V, SEV-SNP (EPYC 9455P) vs true (Ryzen Threadripper PRO 9975WX). Primary use case: EPYC 9455P targets Data Center / Single Socket, Ryzen Threadripper PRO 9975WX targets High-end Workstation. Direct competitor: EPYC 9455P rivals Xeon 6766E; Ryzen Threadripper PRO 9975WX rivals Xeon w7-3465X.
| Feature | EPYC 9455P | 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
At launch, the EPYC 9455P was priced at $4819, while the Ryzen Threadripper PRO 9975WX came in at $4099. On launch pricing ($4819 vs $4099), Ryzen Threadripper PRO 9975WX was $720 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9455P delivers 24.3 pts/$ vs 25.9 pts/$ for the Ryzen Threadripper PRO 9975WX — making the Ryzen Threadripper PRO 9975WX the 6.6% better value option.
| Feature | EPYC 9455P | Ryzen Threadripper PRO 9975WX |
|---|---|---|
| MSRP | $4819 | $4099-15% |
| Performance per Dollar | 24.3 | 25.9+7% |
| Release Date | 2024 | 2025 |
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