CPU
GPU
Ryzen Threadripper PRO 3945WX
Ryzen AI 9 HX PRO 370
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 Ryzen AI 9 HX PRO 370
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3945WX | Ryzen AI 9 HX PRO 370 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($100) | ⚠️ Higher cost ($500) |
| Longevity | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) | ✨ Modern (Strix Point-HX PRO (Zen 5/5c) (2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3945WX | Ryzen AI 9 HX PRO 370 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+409%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($100) | ⚠️ Higher cost ($500) |
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 Ryzen AI 9 HX PRO 370
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.
Ryzen AI 9 HX PRO 370
The Ryzen AI 9 HX PRO 370 is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Strix Point-HX PRO (Zen 5/5c) (2025) architecture. It features 12 cores and 24 threads. Base frequency is 2 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 32,841 points. Launch price was $499.
Processing Power
Both the Ryzen Threadripper PRO 3945WX and Ryzen AI 9 HX PRO 370 share an identical 12-core/24-thread configuration. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3945WX versus 5.1 GHz on the Ryzen AI 9 HX PRO 370 — a 17% clock advantage for the Ryzen AI 9 HX PRO 370 (base: 4 GHz vs 2 GHz). The Ryzen Threadripper PRO 3945WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the Ryzen AI 9 HX PRO 370 uses Strix Point-HX PRO (Zen 5/5c) (2025) (4 nm). In PassMark, the Ryzen Threadripper PRO 3945WX scores 33,455 against the Ryzen AI 9 HX PRO 370's 32,841 — a 1.9% lead for the Ryzen Threadripper PRO 3945WX. L3 cache: 64 MB on the Ryzen Threadripper PRO 3945WX vs 16 MB on the Ryzen AI 9 HX PRO 370.
| Feature | Ryzen Threadripper PRO 3945WX | Ryzen AI 9 HX PRO 370 |
|---|---|---|
| Cores / Threads | 12 / 24 | 12 / 24 |
| Boost Clock | 4.3 GHz | 5.1 GHz+19% |
| Base Clock | 4 GHz+100% | 2 GHz |
| L3 Cache | 64 MB+300% | 16 MB |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 12 nm | 4 nm-43% |
| Architecture | Castle Peak (2020) | Strix Point-HX PRO (Zen 5/5c) (2025) |
| PassMark | 33,455+2% | 32,841 |
| Cinebench R23 Multi | 18,500 | — |
| Geekbench 6 Single | 1,652 | — |
| Geekbench 6 Multi | 11,500 | — |
Memory & Platform
The Ryzen Threadripper PRO 3945WX uses the sWRX8 socket (PCIe 4.0), while the Ryzen AI 9 HX PRO 370 uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper PRO 3945WX versus LPDDR5X-8000 on the Ryzen AI 9 HX PRO 370 — the Ryzen AI 9 HX PRO 370 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3945WX supports up to 2048 GB of RAM compared to 64 GB — 187.9% more capacity for professional workloads. Memory channels: 8 (Ryzen Threadripper PRO 3945WX) vs 2 (Ryzen AI 9 HX PRO 370). PCIe lanes: 128 (Ryzen Threadripper PRO 3945WX) vs 20 (Ryzen AI 9 HX PRO 370) — the Ryzen Threadripper PRO 3945WX offers 108 more lanes for additional GPUs or NVMe drives.
| Feature | Ryzen Threadripper PRO 3945WX | Ryzen AI 9 HX PRO 370 |
|---|---|---|
| Socket | sWRX8 | FP8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | LPDDR5X-8000+25% |
| Max RAM Capacity | 2048 GB+3100% | 64 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+540% | 20 |
Advanced Features
Only the Ryzen Threadripper PRO 3945WX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen AI 9 HX PRO 370 supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen AI 9 HX PRO 370 includes integrated graphics (Radeon 890M), while the Ryzen Threadripper PRO 3945WX requires a dedicated GPU. Primary use case: Ryzen Threadripper PRO 3945WX targets Professional Workstation, Ryzen AI 9 HX PRO 370 targets Mobile Workstation / AI. Direct competitor: Ryzen Threadripper PRO 3945WX rivals Xeon w5-2455X.
| Feature | Ryzen Threadripper PRO 3945WX | Ryzen AI 9 HX PRO 370 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon 890M |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | AMD-V |
| Target Use | Professional Workstation | Mobile Workstation / AI |
Value Analysis
The Ryzen Threadripper PRO 3945WX launched at $1149 MSRP, while the Ryzen AI 9 HX PRO 370 debuted at $500. At current prices ($100 vs $500), the Ryzen Threadripper PRO 3945WX is $400 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 3945WX delivers 334.6 pts/$ vs 65.7 pts/$ for the Ryzen AI 9 HX PRO 370 — making the Ryzen Threadripper PRO 3945WX the 134.4% better value option.
| Feature | Ryzen Threadripper PRO 3945WX | Ryzen AI 9 HX PRO 370 |
|---|---|---|
| MSRP | $1149 | $500-56% |
| Avg Price (30d) | $100-80% | $500 |
| Performance per Dollar | 334.6+409% | 65.7 |
| Release Date | 2020 | 2025 |
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