
EPYC 9555

Ryzen Threadripper PRO 9985WX
EPYC 9555 vs Ryzen Threadripper PRO 9985WX 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 9555 vs Ryzen Threadripper PRO 9985WX 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 9555 vs Ryzen Threadripper PRO 9985WX: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
EPYC 9555
2024Why buy it
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9985WX across 50 shared CPU benchmark tests.
- ❌Lower PassMark (133,253 vs 154,361).
- ❌Lower PassMark per dollar, at 13.6 vs 19.3 PassMark/$ ($9,826 MSRP vs $7,999 MSRP).
Ryzen Threadripper PRO 9985WX
2025Why buy it
- ✅Better for gaming: +14.4% higher average FPS across 50 shared CPU benchmark tests.
- ✅Costs $1,827 less on MSRP ($7,999 MSRP vs $9,826 MSRP).
- ✅Delivers 42.3% more PassMark for each dollar spent, at 19.3 vs 13.6 PassMark/$ ($7,999 MSRP vs $9,826 MSRP).
- ✅Draws 350W instead of 360W, a 10W reduction.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Quick Answers
So, is Ryzen Threadripper PRO 9985WX better than EPYC 9555?
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 9555 vs Ryzen Threadripper PRO 9985WX Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

EPYC 9555
The EPYC 9555 is manufactured by AMD. It was released in 10 October 2024 (1 year ago). It is based on the Turin (2024) architecture. It features 64 cores and 128 threads. Base frequency is 3.2 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): 360 Watt. Memory support: DDR5. Passmark benchmark score: 133,253 points. Launch price was $9,826.


Ryzen Threadripper PRO 9985WX
The Ryzen Threadripper PRO 9985WX 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 64 cores and 128 threads. Base frequency is 3.2 GHz, with boost up to 5.4 GHz. L3 cache: 256 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: 154,361 points. Launch price was $7,999.
Processing Power
Both the EPYC 9555 and Ryzen Threadripper PRO 9985WX share an identical 64-core/128-thread configuration. Boost clocks reach 4.4 GHz on the EPYC 9555 versus 5.4 GHz on the Ryzen Threadripper PRO 9985WX — a 20.4% clock advantage for the Ryzen Threadripper PRO 9985WX (base: 3.2 GHz vs 3.2 GHz). The EPYC 9555 uses the Turin (2024) architecture (4 nm), while the Ryzen Threadripper PRO 9985WX uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 9555 scores 133,253 against the Ryzen Threadripper PRO 9985WX's 154,361 — a 14.7% lead for the Ryzen Threadripper PRO 9985WX. Both processors carry 256 MB (total) of L3 cache.
| Feature | EPYC 9555 | Ryzen Threadripper PRO 9985WX |
|---|---|---|
| Cores / Threads | 64 / 128 | 64 / 128 |
| Boost Clock | 4.4 GHz | 5.4 GHz+23% |
| Base Clock | 3.2 GHz | 3.2 GHz |
| L3 Cache | 256 MB (total) | 256 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Turin (2024) | Shimada Peak (2025) |
| PassMark | 133,253 | 154,361+16% |
| Cinebench R23 Multi | — | 120,000 |
| Geekbench 6 Single | — | 3,644 |
| Geekbench 6 Multi | — | 37,967 |
Memory & Platform
The EPYC 9555 uses the SP5 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9985WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6000 on the EPYC 9555 versus DDR5-6400 on the Ryzen Threadripper PRO 9985WX — the Ryzen Threadripper PRO 9985WX supports 6.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 9555 supports up to 6 TB of RAM compared to 2048 GB — 200% more capacity for professional workloads. Memory channels: 12 (EPYC 9555) vs 8 (Ryzen Threadripper PRO 9985WX). Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9555) and WRX90,TRX50 (Ryzen Threadripper PRO 9985WX).
| Feature | EPYC 9555 | Ryzen Threadripper PRO 9985WX |
|---|---|---|
| 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+200% | 2048 GB |
| RAM Channels | 12+50% | 8 |
| ECC Support | Yes | Yes |
| PCIe Lanes | 128 | 128 |
Advanced Features
Virtualization support: AMD-V, SEV-SNP (EPYC 9555) vs true (Ryzen Threadripper PRO 9985WX). Primary use case: EPYC 9555 targets Data Center, Ryzen Threadripper PRO 9985WX targets High-end Workstation. Direct competitor: EPYC 9555 rivals Xeon 6972P; Ryzen Threadripper PRO 9985WX rivals Xeon w9-3475X.
| Feature | EPYC 9555 | Ryzen Threadripper PRO 9985WX |
|---|---|---|
| Integrated GPU | No | No |
| AVX-512 | — | Yes |
| Virtualization | AMD-V, SEV-SNP | true |
| Target Use | Data Center | High-end Workstation |
Value Analysis
At launch, the EPYC 9555 was priced at $9826, while the Ryzen Threadripper PRO 9985WX came in at $7999. On launch pricing ($9826 vs $7999), Ryzen Threadripper PRO 9985WX was $1827 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9555 delivers 13.6 pts/$ vs 19.3 pts/$ for the Ryzen Threadripper PRO 9985WX — making the Ryzen Threadripper PRO 9985WX the 34.9% better value option.
| Feature | EPYC 9555 | Ryzen Threadripper PRO 9985WX |
|---|---|---|
| MSRP | $9826 | $7999-19% |
| Performance per Dollar | 13.6 | 19.3+42% |
| Release Date | 2024 | 2025 |
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