Ryzen Threadripper PRO 5945WX vs Ryzen Threadripper PRO 3955WX
Ryzen Threadripper PRO 5945WX
Ryzen Threadripper PRO 3955WX
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 5945WX
Performance Per Dollar Ryzen Threadripper PRO 3955WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 5945WX | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($1,000) | ⚠️ Higher cost ($1,130) |
| Longevity | ✨ Modern (Chagall PRO (2022) / 7 nm) | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 5945WX | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+14%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($1,000) | ⚠️ Higher cost ($1,130) |
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 5945WX and Ryzen Threadripper PRO 3955WX
Ryzen Threadripper PRO 5945WX
The Ryzen Threadripper PRO 5945WX is manufactured by AMD. It was released in 8 March 2022 (3 years ago). It is based on the Chagall PRO (2022) architecture. It features 12 cores and 24 threads. Base frequency is 4.1 GHz, with boost up to 4.5 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 40,126 points. Launch price was $499.
Ryzen Threadripper PRO 3955WX
The Ryzen Threadripper PRO 3955WX 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 16 cores and 32 threads. Base frequency is 3.9 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: 39,929 points. Launch price was $1,149.
Processing Power
The Ryzen Threadripper PRO 5945WX packs 12 cores / 24 threads, while the Ryzen Threadripper PRO 3955WX offers 16 cores / 32 threads — the Ryzen Threadripper PRO 3955WX has 4 more cores. Boost clocks reach 4.5 GHz on the Ryzen Threadripper PRO 5945WX versus 4.3 GHz on the Ryzen Threadripper PRO 3955WX — a 4.5% clock advantage for the Ryzen Threadripper PRO 5945WX (base: 4.1 GHz vs 3.9 GHz). The Ryzen Threadripper PRO 5945WX uses the Chagall PRO (2022) architecture (7 nm), while the Ryzen Threadripper PRO 3955WX uses Castle Peak (2020) (7 nm, 12 nm). In PassMark, the Ryzen Threadripper PRO 5945WX scores 40,126 against the Ryzen Threadripper PRO 3955WX's 39,929 — a 0.5% lead for the Ryzen Threadripper PRO 5945WX. Both processors carry 64 MB of L3 cache.
| Feature | Ryzen Threadripper PRO 5945WX | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Cores / Threads | 12 / 24 | 16 / 32+33% |
| Boost Clock | 4.5 GHz+5% | 4.3 GHz |
| Base Clock | 4.1 GHz+5% | 3.9 GHz |
| L3 Cache | 64 MB | 64 MB |
| L2 Cache | 512K (per core) | 512 kB (per core) |
| Process | 7 nm | 7 nm, 12 nm |
| Architecture | Chagall PRO (2022) | Castle Peak (2020) |
| PassMark | 40,126 | 39,929 |
Memory & Platform
Both processors use the sWRX8 socket with PCIe 4.0. Both support up to 3200 memory speed. Both support up to 2048 of RAM. Both feature 8-channel memory with ECC support. Both provide 128 PCIe lanes. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 5945WX) and WRX80 (Ryzen Threadripper PRO 3955WX).
| Feature | Ryzen Threadripper PRO 5945WX | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Socket | sWRX8 | sWRX8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | 3200 | 3200 |
| Max RAM Capacity | 2048 | 2048 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128 | 128 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d, AMD-V virtualization. Direct competitor: Ryzen Threadripper PRO 5945WX rivals Xeon W-3335; Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314.
| Feature | Ryzen Threadripper PRO 5945WX | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d, AMD-V |
Value Analysis
The Ryzen Threadripper PRO 5945WX launched at $2399 MSRP, while the Ryzen Threadripper PRO 3955WX debuted at $1149. At current prices ($1000 vs $1130), the Ryzen Threadripper PRO 5945WX is $130 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 5945WX delivers 40.1 pts/$ vs 35.3 pts/$ for the Ryzen Threadripper PRO 3955WX — making the Ryzen Threadripper PRO 5945WX the 12.7% better value option.
| Feature | Ryzen Threadripper PRO 5945WX | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| MSRP | $2399 | $1149-52% |
| Avg Price (30d) | $1000-12% | $1130 |
| Performance per Dollar | 40.1+14% | 35.3 |
| Release Date | 2022 | 2020 |
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