Ryzen Threadripper PRO 3955WX vs Ryzen 7 9800X3D
Ryzen Threadripper PRO 3955WX
Ryzen 7 9800X3D
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 3955WX
Performance Per Dollar Ryzen 7 9800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3955WX | Ryzen 7 9800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($1,130) | ✅ More affordable ($479) |
| Longevity | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) | ✨ Modern (Granite Ridge (2024−2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3955WX | Ryzen 7 9800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+136%) |
| Upfront Cost | ⚠️ Higher cost ($1,130) | ✅ More affordable ($479) |
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 3955WX and Ryzen 7 9800X3D
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.
Ryzen 7 9800X3D
The Ryzen 7 9800X3D is manufactured by AMD. It was released in 7 November 2024 (1 year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 8 cores and 16 threads. Base frequency is 4.7 GHz, with boost up to 5.2 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 39,966 points. Launch price was $479.
Processing Power
The Ryzen Threadripper PRO 3955WX packs 16 cores / 32 threads, while the Ryzen 7 9800X3D offers 8 cores / 16 threads — the Ryzen Threadripper PRO 3955WX has 8 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3955WX versus 5.2 GHz on the Ryzen 7 9800X3D — a 18.9% clock advantage for the Ryzen 7 9800X3D (base: 3.9 GHz vs 4.7 GHz). The Ryzen Threadripper PRO 3955WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the Ryzen 7 9800X3D uses Granite Ridge (2024−2025) (4 nm). In PassMark, the Ryzen Threadripper PRO 3955WX scores 39,929 against the Ryzen 7 9800X3D's 39,966 — a 0.1% lead for the Ryzen 7 9800X3D. L3 cache: 64 MB on the Ryzen Threadripper PRO 3955WX vs 96 MB (total) on the Ryzen 7 9800X3D.
| Feature | Ryzen Threadripper PRO 3955WX | Ryzen 7 9800X3D |
|---|---|---|
| Cores / Threads | 16 / 32+100% | 8 / 16 |
| Boost Clock | 4.3 GHz | 5.2 GHz+21% |
| Base Clock | 3.9 GHz | 4.7 GHz+21% |
| L3 Cache | 64 MB | 96 MB (total)+50% |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 12 nm | 4 nm-43% |
| Architecture | Castle Peak (2020) | Granite Ridge (2024−2025) |
| PassMark | 39,929 | 39,966 |
| Cinebench R23 Multi | — | 23,277 |
| Geekbench 6 Single | — | 3,450 |
| Geekbench 6 Multi | — | 18,500 |
Memory & Platform
The Ryzen Threadripper PRO 3955WX uses the sWRX8 socket (PCIe 4.0), while the Ryzen 7 9800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Ryzen Threadripper PRO 3955WX versus DDR5-5600 on the Ryzen 7 9800X3D — the Ryzen Threadripper PRO 3955WX supports 199.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3955WX supports up to 2048 of RAM compared to 192 GB — 165.7% more capacity for professional workloads. Memory channels: 8 (Ryzen Threadripper PRO 3955WX) vs 2 (Ryzen 7 9800X3D). PCIe lanes: 128 (Ryzen Threadripper PRO 3955WX) vs 28 (Ryzen 7 9800X3D) — the Ryzen Threadripper PRO 3955WX offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3955WX) and X670E,B650E,X870E,B850 (Ryzen 7 9800X3D).
| Feature | Ryzen Threadripper PRO 3955WX | Ryzen 7 9800X3D |
|---|---|---|
| Socket | sWRX8 | AM5 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200+63900% | DDR5-5600 |
| Max RAM Capacity | 2048 | 192 GB+9830300% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+357% | 28 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX) vs AMD-V, AMD-Vi (Ryzen 7 9800X3D). The Ryzen 7 9800X3D includes integrated graphics (Radeon Graphics), while the Ryzen Threadripper PRO 3955WX requires a dedicated GPU. Primary use case: Ryzen 7 9800X3D targets Extreme Gaming. Direct competitor: Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314; Ryzen 7 9800X3D rivals Core i9-14900K.
| Feature | Ryzen Threadripper PRO 3955WX | Ryzen 7 9800X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon Graphics |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | AMD-V, AMD-Vi |
| Target Use | — | Extreme Gaming |
Value Analysis
The Ryzen Threadripper PRO 3955WX launched at $1149 MSRP, while the Ryzen 7 9800X3D debuted at $479. At current prices ($1130 vs $479), the Ryzen 7 9800X3D is $651 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 35.3 pts/$ vs 83.4 pts/$ for the Ryzen 7 9800X3D — making the Ryzen 7 9800X3D the 81% better value option.
| Feature | Ryzen Threadripper PRO 3955WX | Ryzen 7 9800X3D |
|---|---|---|
| MSRP | $1149 | $479-58% |
| Avg Price (30d) | $1130 | $479-58% |
| Performance per Dollar | 35.3 | 83.4+136% |
| Release Date | 2020 | 2024 |
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