EPYC 7543 vs Ryzen Threadripper PRO 3975WX
EPYC 7543
Ryzen Threadripper PRO 3975WX
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 7543
Performance Per Dollar Ryzen Threadripper PRO 3975WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | EPYC 7543 | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($468) | ✅ More affordable ($368) |
| Longevity | ✨ Modern (Milan (2021−2023) / 7 nm+) | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | EPYC 7543 | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+26%) |
| Upfront Cost | ⚠️ Higher cost ($468) | ✅ More affordable ($368) |
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 7543 and Ryzen Threadripper PRO 3975WX
EPYC 7543
The EPYC 7543 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: 62,952 points. Launch price was $3,761.
Ryzen Threadripper PRO 3975WX
The Ryzen Threadripper PRO 3975WX is manufactured by AMD. It was released in 2020-07-14. It is based on the Matisse (2019−2020) architecture. It features 32 cores and 64 threads. Base frequency is 3.5 GHz, with boost up to 4.2 GHz. L3 cache: 128 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 62,261 points. Launch price was $4,499.
Processing Power
Both the EPYC 7543 and Ryzen Threadripper PRO 3975WX share an identical 32-core/64-thread configuration. Boost clocks reach 3.7 GHz on the EPYC 7543 versus 4.2 GHz on the Ryzen Threadripper PRO 3975WX — a 12.7% clock advantage for the Ryzen Threadripper PRO 3975WX (base: 2.8 GHz vs 3.5 GHz). The EPYC 7543 uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen Threadripper PRO 3975WX uses Matisse (2019−2020) (7 nm, 12 nm). In PassMark, the EPYC 7543 scores 62,952 against the Ryzen Threadripper PRO 3975WX's 62,261 — a 1.1% lead for the EPYC 7543. L3 cache: 256 MB (total) on the EPYC 7543 vs 128 MB on the Ryzen Threadripper PRO 3975WX.
| Feature | EPYC 7543 | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Cores / Threads | 32 / 64 | 32 / 64 |
| Boost Clock | 3.7 GHz | 4.2 GHz+14% |
| Base Clock | 2.8 GHz | 3.5 GHz+25% |
| L3 Cache | 256 MB (total)+100% | 128 MB |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 7 nm+ | 7 nm, 12 nm |
| Architecture | Milan (2021−2023) | Matisse (2019−2020) |
| PassMark | 62,952+1% | 62,261 |
| Cinebench R23 Multi | — | 42,986 |
| Geekbench 6 Single | — | 1,260 |
| Geekbench 6 Multi | — | 25,211 |
Memory & Platform
The EPYC 7543 uses the SP3 socket (PCIe 4.0), while the Ryzen Threadripper PRO 3975WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 7543 versus DDR4-3200 on the Ryzen Threadripper PRO 3975WX — the EPYC 7543 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 7543 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 7543) and AMD WRX80 (Ryzen Threadripper PRO 3975WX).
| Feature | EPYC 7543 | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Socket | SP3 | sWRX8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200+79900% | DDR4-3200 |
| Max RAM Capacity | 4096 | 2048 GB+52428700% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Only the Ryzen Threadripper PRO 3975WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (EPYC 7543) vs true (Ryzen Threadripper PRO 3975WX). Direct competitor: EPYC 7543 rivals Xeon Platinum 8380; Ryzen Threadripper PRO 3975WX rivals Xeon W-3375.
| Feature | EPYC 7543 | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | true |
Value Analysis
The EPYC 7543 launched at $10257 MSRP, while the Ryzen Threadripper PRO 3975WX debuted at $1337. At current prices ($468 vs $368), the Ryzen Threadripper PRO 3975WX is $100 cheaper. In terms of value (PassMark points per dollar), the EPYC 7543 delivers 134.5 pts/$ vs 169.2 pts/$ for the Ryzen Threadripper PRO 3975WX — making the Ryzen Threadripper PRO 3975WX the 22.8% better value option.
| Feature | EPYC 7543 | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| MSRP | $10257 | $1337-87% |
| Avg Price (30d) | $468 | $368-21% |
| Performance per Dollar | 134.5 | 169.2+26% |
| Release Date | 2021 | 2020 |
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