CPU
GPU
EPYC 7543P
Ryzen Threadripper PRO 9955WX
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 7543P
Performance Per Dollar Ryzen Threadripper PRO 9955WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7543P | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($115) | ⚠️ Higher cost ($450) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Shimada Peak (2025) / 4 nm) |
💎 Value Proposition
| Insight | EPYC 7543P | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+286%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($115) | ⚠️ Higher cost ($450) |
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 7543P and Ryzen Threadripper PRO 9955WX
EPYC 7543P
The EPYC 7543P is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 32 cores and 64 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 225 Watt. Memory support: DDR4-3200. Passmark benchmark score: 66,590 points. Launch price was $2,730.
Ryzen Threadripper PRO 9955WX
The Ryzen Threadripper PRO 9955WX 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 16 cores and 32 threads. Base frequency is 4.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 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: 67,561 points. Launch price was $1,649.
Processing Power
The EPYC 7543P packs 32 cores / 64 threads, while the Ryzen Threadripper PRO 9955WX offers 16 cores / 32 threads — the EPYC 7543P has 16 more cores. Boost clocks reach 3.7 GHz on the EPYC 7543P versus 5.4 GHz on the Ryzen Threadripper PRO 9955WX — a 37.4% clock advantage for the Ryzen Threadripper PRO 9955WX (base: 2.8 GHz vs 4.5 GHz). The EPYC 7543P uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen Threadripper PRO 9955WX uses Shimada Peak (2025) (4 nm). In PassMark, the EPYC 7543P scores 66,590 against the Ryzen Threadripper PRO 9955WX's 67,561 — a 1.4% lead for the Ryzen Threadripper PRO 9955WX. L3 cache: 256 MB (total) on the EPYC 7543P vs 64 MB (total) on the Ryzen Threadripper PRO 9955WX.
| Feature | EPYC 7543P | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Cores / Threads | 32 / 64+100% | 16 / 32 |
| Boost Clock | 3.7 GHz | 5.4 GHz+46% |
| Base Clock | 2.8 GHz | 4.5 GHz+61% |
| L3 Cache | 256 MB (total)+300% | 64 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm+ | 4 nm-43% |
| Architecture | Milan (2021−2023) | Shimada Peak (2025) |
| PassMark | 66,590 | 67,561+1% |
| Cinebench R23 Multi | — | 40,000 |
| Geekbench 6 Single | — | 3,016 |
| Geekbench 6 Multi | — | 23,596 |
Memory & Platform
The EPYC 7543P uses the SP3 socket (PCIe 4.0), while the Ryzen Threadripper PRO 9955WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7543P versus DDR5-6400 on the Ryzen Threadripper PRO 9955WX — the EPYC 7543P supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7543P supports up to 4096 of RAM compared to 2048 GB — 66.7% more capacity for professional workloads. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: SP3 (EPYC 7543P) and WRX90 (Ryzen Threadripper PRO 9955WX).
| Feature | EPYC 7543P | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Socket | SP3 | sTR5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200+63900% | DDR5-6400 |
| Max RAM Capacity | 4096 | 2048 GB+52428700% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Only the Ryzen Threadripper PRO 9955WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen Threadripper PRO 9955WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (EPYC 7543P) vs true (Ryzen Threadripper PRO 9955WX). Direct competitor: EPYC 7543P rivals Xeon Platinum 8380; Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555.
| Feature | EPYC 7543P | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | true |
Value Analysis
The EPYC 7543P launched at $2730 MSRP, while the Ryzen Threadripper PRO 9955WX debuted at $429. At current prices ($115 vs $450), the EPYC 7543P is $335 cheaper. In terms of value (PassMark points per dollar), the EPYC 7543P delivers 579.0 pts/$ vs 150.1 pts/$ for the Ryzen Threadripper PRO 9955WX — making the EPYC 7543P the 117.6% better value option.
| Feature | EPYC 7543P | Ryzen Threadripper PRO 9955WX |
|---|---|---|
| MSRP | $2730 | $429-84% |
| Avg Price (30d) | $115-74% | $450 |
| Performance per Dollar | 579.0+286% | 150.1 |
| Release Date | 2021 | 2025 |
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