Ryzen Threadripper PRO 3975WX vs Xeon 6520P
Ryzen Threadripper PRO 3975WX
Xeon 6520P
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 Ryzen Threadripper PRO 3975WX
Performance Per Dollar Xeon 6520P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3975WX | Xeon 6520P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($368) | ⚠️ Higher cost ($1,295) |
| Longevity | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3975WX | Xeon 6520P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+242%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($368) | ⚠️ Higher cost ($1,295) |
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 Ryzen Threadripper PRO 3975WX and Xeon 6520P
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.
Xeon 6520P
The Xeon 6520P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 4 GHz. L3 cache: 144 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 210 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 64,010 points. Launch price was $1,295.
Processing Power
The Ryzen Threadripper PRO 3975WX packs 32 cores / 64 threads, while the Xeon 6520P offers 24 cores / 48 threads — the Ryzen Threadripper PRO 3975WX has 8 more cores. Boost clocks reach 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus 4 GHz on the Xeon 6520P — a 4.9% clock advantage for the Ryzen Threadripper PRO 3975WX (base: 3.5 GHz vs 2.4 GHz). The Ryzen Threadripper PRO 3975WX uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Xeon 6520P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Ryzen Threadripper PRO 3975WX scores 62,261 against the Xeon 6520P's 64,010 — a 2.8% lead for the Xeon 6520P. Geekbench 6 single-core — the metric most relevant to gaming — records 1,260 vs 1,900, a 40.5% lead for the Xeon 6520P that directly translates to higher frame rates. Multi-core Geekbench: 25,211 vs 25,000 (0.8% advantage for the Ryzen Threadripper PRO 3975WX). L3 cache: 128 MB on the Ryzen Threadripper PRO 3975WX vs 144 MB (total) on the Xeon 6520P.
| Feature | Ryzen Threadripper PRO 3975WX | Xeon 6520P |
|---|---|---|
| Cores / Threads | 32 / 64+33% | 24 / 48 |
| Boost Clock | 4.2 GHz+5% | 4 GHz |
| Base Clock | 3.5 GHz+46% | 2.4 GHz |
| L3 Cache | 128 MB | 144 MB (total)+13% |
| L2 Cache | 512K (per core) | 2 MB (per core)+300% |
| Process | 7 nm, 12 nm | Intel 3 nm-57% |
| Architecture | Matisse (2019−2020) | Granite Rapids (2024−2025) |
| PassMark | 62,261 | 64,010+3% |
| Cinebench R23 Multi | 42,986 | — |
| Geekbench 6 Single | 1,260 | 1,900+51% |
| Geekbench 6 Multi | 25,211 | 25,000 |
Memory & Platform
The Ryzen Threadripper PRO 3975WX uses the sWRX8 socket (PCIe 4.0), while the Xeon 6520P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper PRO 3975WX versus DDR5-6400 on the Xeon 6520P — the Xeon 6520P supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3975WX supports up to 2048 GB of RAM compared to 4 TB — 199.2% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 128 (Ryzen Threadripper PRO 3975WX) vs 88 (Xeon 6520P) — the Ryzen Threadripper PRO 3975WX offers 40 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD WRX80 (Ryzen Threadripper PRO 3975WX) and FCLGA4710 (Xeon 6520P).
| Feature | Ryzen Threadripper PRO 3975WX | Xeon 6520P |
|---|---|---|
| Socket | sWRX8 | LGA4710 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | DDR5-6400+25% |
| Max RAM Capacity | 2048 GB | 4 TB+100% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+45% | 88 |
Advanced Features
Only the Ryzen Threadripper PRO 3975WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon 6520P supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Ryzen Threadripper PRO 3975WX) vs VT-x, VT-d (Xeon 6520P). Primary use case: Xeon 6520P targets Server. Direct competitor: Ryzen Threadripper PRO 3975WX rivals Xeon W-3375; Xeon 6520P rivals EPYC 9254.
| Feature | Ryzen Threadripper PRO 3975WX | Xeon 6520P |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Server |
Value Analysis
The Ryzen Threadripper PRO 3975WX launched at $1337 MSRP, while the Xeon 6520P debuted at $1295. At current prices ($368 vs $1295), the Ryzen Threadripper PRO 3975WX is $927 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 3975WX delivers 169.2 pts/$ vs 49.4 pts/$ for the Xeon 6520P — making the Ryzen Threadripper PRO 3975WX the 109.6% better value option.
| Feature | Ryzen Threadripper PRO 3975WX | Xeon 6520P |
|---|---|---|
| MSRP | $1337 | $1295-3% |
| Avg Price (30d) | $368-72% | $1295 |
| Performance per Dollar | 169.2+243% | 49.4 |
| Release Date | 2020 | 2025 |
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