Ryzen Threadripper PRO 9975WX vs Xeon 6781P
Ryzen Threadripper PRO 9975WX
Xeon 6781P
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 9975WX
Performance Per Dollar Xeon 6781P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 9975WX | Xeon 6781P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($4,182) | ⚠️ Higher cost ($8,960) |
| Longevity | ✨ Modern (Shimada Peak (2025) / 4 nm) | ✨ Modern (Granite Rapids (2024−2025) / Intel 3 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 9975WX | Xeon 6781P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+93%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($4,182) | ⚠️ Higher cost ($8,960) |
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 9975WX and Xeon 6781P
Ryzen Threadripper PRO 9975WX
The Ryzen Threadripper PRO 9975WX 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 32 cores and 64 threads. Base frequency is 4 GHz, with boost up to 5.4 GHz. L3 cache: 128 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: 106,263 points. Launch price was $4,099.
Xeon 6781P
The Xeon 6781P 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 80 cores and 160 threads. Base frequency is 2 GHz, with boost up to 3.8 GHz. L3 cache: 336 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 350 Watt. Memory support: DDR5(6400MT/s), MRDIMM(8800MT/s). Passmark benchmark score: 117,946 points. Launch price was $8,960.
Processing Power
The Ryzen Threadripper PRO 9975WX packs 32 cores / 64 threads, while the Xeon 6781P offers 80 cores / 160 threads — the Xeon 6781P has 48 more cores. Boost clocks reach 5.4 GHz on the Ryzen Threadripper PRO 9975WX versus 3.8 GHz on the Xeon 6781P — a 34.8% clock advantage for the Ryzen Threadripper PRO 9975WX (base: 4 GHz vs 2 GHz). The Ryzen Threadripper PRO 9975WX uses the Shimada Peak (2025) architecture (4 nm), while the Xeon 6781P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Ryzen Threadripper PRO 9975WX scores 106,263 against the Xeon 6781P's 117,946 — a 10.4% lead for the Xeon 6781P. L3 cache: 128 MB (total) on the Ryzen Threadripper PRO 9975WX vs 336 MB (total) on the Xeon 6781P.
| Feature | Ryzen Threadripper PRO 9975WX | Xeon 6781P |
|---|---|---|
| Cores / Threads | 32 / 64 | 80 / 160+150% |
| Boost Clock | 5.4 GHz+42% | 3.8 GHz |
| Base Clock | 4 GHz+100% | 2 GHz |
| L3 Cache | 128 MB (total) | 336 MB (total)+163% |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 4 nm | Intel 3 nm-25% |
| Architecture | Shimada Peak (2025) | Granite Rapids (2024−2025) |
| PassMark | 106,263 | 117,946+11% |
| Cinebench R23 Multi | 83,982 | — |
| Geekbench 6 Single | 3,200 | — |
| Geekbench 6 Multi | 31,000 | — |
Memory & Platform
The Ryzen Threadripper PRO 9975WX uses the sTR5 socket (PCIe 4.0), while the Xeon 6781P uses LGA4710 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Ryzen Threadripper PRO 9975WX 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 9975WX) vs 136 (Xeon 6781P) — the Xeon 6781P offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Ryzen Threadripper PRO 9975WX | Xeon 6781P |
|---|---|---|
| Socket | sTR5 | LGA4710 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR5-6400 | DDR5-6400 |
| Max RAM Capacity | 2048 GB | 4 TB+100% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 136+6% |
Advanced Features
Virtualization support: true (Ryzen Threadripper PRO 9975WX) vs VT-x, VT-d, VT-x EPT (Xeon 6781P). Primary use case: Ryzen Threadripper PRO 9975WX targets High-end Workstation, Xeon 6781P targets Data Center / Cloud Scale. Direct competitor: Ryzen Threadripper PRO 9975WX rivals Xeon w7-3465X; Xeon 6781P rivals EPYC 9655.
| Feature | Ryzen Threadripper PRO 9975WX | Xeon 6781P |
|---|---|---|
| Integrated GPU | No | No |
| AVX-512 | Yes | — |
| Virtualization | true | VT-x, VT-d, VT-x EPT |
| Target Use | High-end Workstation | Data Center / Cloud Scale |
Value Analysis
The Ryzen Threadripper PRO 9975WX launched at $4099 MSRP, while the Xeon 6781P debuted at $8960. At current prices ($4182 vs $8960), the Ryzen Threadripper PRO 9975WX is $4778 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 9975WX delivers 25.4 pts/$ vs 13.2 pts/$ for the Xeon 6781P — making the Ryzen Threadripper PRO 9975WX the 63.5% better value option.
| Feature | Ryzen Threadripper PRO 9975WX | Xeon 6781P |
|---|---|---|
| MSRP | $4099-54% | $8960 |
| Avg Price (30d) | $4182-53% | $8960 |
| Performance per Dollar | 25.4+92% | 13.2 |
| Release Date | 2025 | 2025 |
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