EPYC 9555P vs Ryzen Threadripper PRO 9985WX

AMD

EPYC 9555P

64 Cores128 Thrd360 WWMax: 4.4 GHz2024

Popular choices:

VS
AMD

Ryzen Threadripper PRO 9985WX

64 Cores128 Thrd350 WWMax: 5.4 GHz2025

Popular choices:

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

EPYC 9555P

2024

Why buy it

  • Costs $16 less on MSRP ($7,983 MSRP vs $7,999 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen Threadripper PRO 9985WX across 50 shared CPU benchmark tests.
  • Lower Geekbench multi-core (29,406 vs 37,967).
  • Lower PassMark per dollar, at 17.0 vs 19.3 PassMark/$ ($7,983 MSRP vs $7,999 MSRP).

Ryzen Threadripper PRO 9985WX

2025

Why buy it

  • Better for gaming: +14.4% higher average FPS across 50 shared CPU benchmark tests.
  • Delivers 13.7% more PassMark for each dollar spent, at 19.3 vs 17.0 PassMark/$ ($7,999 MSRP vs $7,983 MSRP).
  • Draws 350W instead of 360W, a 10W reduction.

Trade-offs

  • 0.2% HIGHER MSRP
    $7,999 MSRPvs$7,983 MSRP

Quick Answers

So, is Ryzen Threadripper PRO 9985WX better than EPYC 9555P?
Yes. Ryzen Threadripper PRO 9985WX is the better overall CPU here. You are getting a 14.4% average FPS lead across 50 shared CPU game tests in our data, 29.1% better Geekbench multi-core, 14.0% higher PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.
Which one is better for gaming?
If gaming is the priority, Ryzen Threadripper PRO 9985WX is the better pick here. According to our tests, it delivers 14.4% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen Threadripper PRO 9985WX is the better fit. You are getting 29.1% better Geekbench multi-core, backed by 64 cores and 128 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen Threadripper PRO 9985WX is the smarter buy today. Ryzen Threadripper PRO 9985WX is 0.2% more expensive on MSRP at $7,999 MSRP versus $7,983 MSRP, and it gives you a 14.4% average FPS lead across 50 shared CPU game tests in our data. It is also 13.7% better value on MSRP (19.3 vs 17.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 9985WX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2024), more multi-core headroom with 64 cores / 128 threads instead of 64/128, and AVX-512 support for heavier modern compute workloads. That extra cache should hold up really well in CPU-limited games and high-refresh builds.

Games Benchmarks

Paired with RTX 4090

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.

Path of Exile 2

Path of Exile 2

PresetEPYC 9555PRyzen Threadripper PRO 9985WX
1080p
low171 FPS303 FPS
medium142 FPS281 FPS
high122 FPS231 FPS
ultra99 FPS195 FPS
1440p
low150 FPS268 FPS
medium121 FPS224 FPS
high99 FPS172 FPS
ultra83 FPS152 FPS
4K
low84 FPS186 FPS
medium73 FPS155 FPS
high57 FPS117 FPS
ultra47 FPS105 FPS
Counter-Strike 2

Counter-Strike 2

PresetEPYC 9555PRyzen Threadripper PRO 9985WX
1080p
low655 FPS803 FPS
medium566 FPS687 FPS
high459 FPS538 FPS
ultra397 FPS468 FPS
1440p
low546 FPS662 FPS
medium483 FPS590 FPS
high404 FPS477 FPS
ultra328 FPS386 FPS
4K
low331 FPS370 FPS
medium295 FPS334 FPS
high268 FPS308 FPS
ultra236 FPS269 FPS
League of Legends

League of Legends

PresetEPYC 9555PRyzen Threadripper PRO 9985WX
1080p
low747 FPS889 FPS
medium634 FPS728 FPS
high590 FPS654 FPS
ultra519 FPS556 FPS
1440p
low561 FPS693 FPS
medium474 FPS567 FPS
high434 FPS498 FPS
ultra376 FPS419 FPS
4K
low405 FPS490 FPS
medium326 FPS407 FPS
high288 FPS365 FPS
ultra229 FPS303 FPS
Valorant

Valorant

PresetEPYC 9555PRyzen Threadripper PRO 9985WX
1080p
low1005 FPS1131 FPS
medium902 FPS1014 FPS
high778 FPS889 FPS
ultra702 FPS802 FPS
1440p
low809 FPS890 FPS
medium704 FPS783 FPS
high603 FPS688 FPS
ultra533 FPS599 FPS
4K
low574 FPS649 FPS
medium510 FPS579 FPS
high447 FPS514 FPS
ultra392 FPS437 FPS

Technical Specifications

Side-by-side comparison of EPYC 9555P and Ryzen Threadripper PRO 9985WX

AMD

EPYC 9555P

The EPYC 9555P 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: 135,441 points. Launch price was $7,983.

AMD

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 9555P and Ryzen Threadripper PRO 9985WX share an identical 64-core/128-thread configuration. Boost clocks reach 4.4 GHz on the EPYC 9555P 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 9555P uses the Turin (2024) architecture (4 nm), while the Ryzen Threadripper PRO 9985WX uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 9555P scores 135,441 against the Ryzen Threadripper PRO 9985WX's 154,361 — a 13.1% lead for the Ryzen Threadripper PRO 9985WX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,815 vs 3,644, a 25.7% lead for the Ryzen Threadripper PRO 9985WX that directly translates to higher frame rates. Multi-core Geekbench: 29,406 vs 37,967 (25.4% advantage for the Ryzen Threadripper PRO 9985WX). Both processors carry 256 MB (total) of L3 cache.

FeatureEPYC 9555PRyzen 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
135,441
154,361+14%
Cinebench R23 Multi
120,000
Geekbench 6 Single
2,815
3,644+29%
Geekbench 6 Multi
29,406
37,967+29%
🧠

Memory & Platform

The EPYC 9555P 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. Both support up to DDR5-6000 memory speed. The Ryzen Threadripper PRO 9985WX supports up to 2048 GB of RAM compared to 6 TB 198.8% more capacity for professional workloads. Memory channels: 12 (EPYC 9555P) vs 8 (Ryzen Threadripper PRO 9985WX). Both provide 128 PCIe lanes. Chipset compatibility: SP5 (EPYC 9555P) and WRX90,TRX50 (Ryzen Threadripper PRO 9985WX).

FeatureEPYC 9555PRyzen Threadripper PRO 9985WX
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
Yes
Yes
PCIe Lanes
128
128
🔧

Advanced Features

Virtualization support: AMD-V, SEV-SNP (EPYC 9555P) vs true (Ryzen Threadripper PRO 9985WX). Primary use case: EPYC 9555P targets Data Center / Single Socket, Ryzen Threadripper PRO 9985WX targets High-end Workstation. Direct competitor: EPYC 9555P rivals Xeon 6979P; Ryzen Threadripper PRO 9985WX rivals Xeon w9-3475X.

FeatureEPYC 9555PRyzen Threadripper PRO 9985WX
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 9555P launched at $7983 MSRP, while the Ryzen Threadripper PRO 9985WX debuted at $7999. On MSRP ($7983 vs $7999), the EPYC 9555P is $16 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 9555P delivers 17.0 pts/$ vs 19.3 pts/$ for the Ryzen Threadripper PRO 9985WX — making the Ryzen Threadripper PRO 9985WX the 12.9% better value option.

FeatureEPYC 9555PRyzen Threadripper PRO 9985WX
MSRP
$7983
$7999
Performance per Dollar
17.0
19.3+14%
Release Date
2024
2025