CPU
GPU
Ryzen Threadripper PRO 3945WX
Xeon Platinum 8260M
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 3945WX
Performance Per Dollar Xeon Platinum 8260M
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3945WX | Xeon Platinum 8260M |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($100) | ⚠️ Higher cost ($7,705) |
| Longevity | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) | ✨ Modern (Cascade Lake-SP (2018) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3945WX | Xeon Platinum 8260M |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+7488%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($100) | ⚠️ Higher cost ($7,705) |
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 3945WX and Xeon Platinum 8260M
Ryzen Threadripper PRO 3945WX
The Ryzen Threadripper PRO 3945WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 12 cores and 24 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (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: 33,455 points. Launch price was $499.
Xeon Platinum 8260M
The Xeon Platinum 8260M is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 24 cores and 48 threads. Base frequency is 2.4 GHz, with boost up to 3.9 GHz. L3 cache: 35.75 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 33,970 points. Launch price was $7,705.
Processing Power
The Ryzen Threadripper PRO 3945WX packs 12 cores / 24 threads, while the Xeon Platinum 8260M offers 24 cores / 48 threads — the Xeon Platinum 8260M has 12 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3945WX versus 3.9 GHz on the Xeon Platinum 8260M — a 9.8% clock advantage for the Ryzen Threadripper PRO 3945WX (base: 4 GHz vs 2.4 GHz). The Ryzen Threadripper PRO 3945WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the Xeon Platinum 8260M uses Cascade Lake-SP (2018) (14 nm). In PassMark, the Ryzen Threadripper PRO 3945WX scores 33,455 against the Xeon Platinum 8260M's 33,970 — a 1.5% lead for the Xeon Platinum 8260M. Cinebench R23 multi-core: 18,500 vs 30,500 (49% advantage for the Xeon Platinum 8260M). Geekbench 6 single-core — the metric most relevant to gaming — records 1,652 vs 1,200, a 31.7% lead for the Ryzen Threadripper PRO 3945WX that directly translates to higher frame rates. Multi-core Geekbench: 11,500 vs 10,491 (9.2% advantage for the Ryzen Threadripper PRO 3945WX). L3 cache: 64 MB on the Ryzen Threadripper PRO 3945WX vs 35.75 MB (total) on the Xeon Platinum 8260M.
| Feature | Ryzen Threadripper PRO 3945WX | Xeon Platinum 8260M |
|---|---|---|
| Cores / Threads | 12 / 24 | 24 / 48+100% |
| Boost Clock | 4.3 GHz+10% | 3.9 GHz |
| Base Clock | 4 GHz+67% | 2.4 GHz |
| L3 Cache | 64 MB+79% | 35.75 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Castle Peak (2020) | Cascade Lake-SP (2018) |
| PassMark | 33,455 | 33,970+2% |
| Cinebench R23 Multi | 18,500 | 30,500+65% |
| Geekbench 6 Single | 1,652+38% | 1,200 |
| Geekbench 6 Multi | 11,500+10% | 10,491 |
Memory & Platform
The Ryzen Threadripper PRO 3945WX uses the sWRX8 socket (PCIe 4.0), while the Xeon Platinum 8260M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. Both support up to 2048 GB of RAM. Memory channels: 8 (Ryzen Threadripper PRO 3945WX) vs 6 (Xeon Platinum 8260M). PCIe lanes: 128 (Ryzen Threadripper PRO 3945WX) vs 48 (Xeon Platinum 8260M) — the Ryzen Threadripper PRO 3945WX offers 80 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3945WX) and C621,C622,C624,C627,C628 (Xeon Platinum 8260M).
| Feature | Ryzen Threadripper PRO 3945WX | Xeon Platinum 8260M |
|---|---|---|
| Socket | sWRX8 | LGA3647 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR4-3200 | DDR4-2933 |
| Max RAM Capacity | 2048 GB | 2048 GB |
| RAM Channels | 8+33% | 6 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+167% | 48 |
Advanced Features
Only the Ryzen Threadripper PRO 3945WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Platinum 8260M supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen Threadripper PRO 3945WX) vs VT-x, VT-d, EPT (Xeon Platinum 8260M). Primary use case: Ryzen Threadripper PRO 3945WX targets Professional Workstation, Xeon Platinum 8260M targets Server (Memory Optimized). Direct competitor: Ryzen Threadripper PRO 3945WX rivals Xeon w5-2455X; Xeon Platinum 8260M rivals Xeon Platinum 8268.
| Feature | Ryzen Threadripper PRO 3945WX | Xeon Platinum 8260M |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | VT-x, VT-d, EPT |
| Target Use | Professional Workstation | Server (Memory Optimized) |
Value Analysis
The Ryzen Threadripper PRO 3945WX launched at $1149 MSRP, while the Xeon Platinum 8260M debuted at $7705.
| Feature | Ryzen Threadripper PRO 3945WX | Xeon Platinum 8260M |
|---|---|---|
| MSRP | $1149-85% | $7705 |
| Avg Price (30d) | $100 | — |
| Release Date | 2020 | 2019 |
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