Ryzen Threadripper PRO 3955WX vs Core i7-12700K
Ryzen Threadripper PRO 3955WX
Core i7-12700K
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 Core i7-12700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3955WX | Core i7-12700K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($1,130) | ✅ More affordable ($285) |
| Longevity | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3955WX | Core i7-12700K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+241%) |
| Upfront Cost | ⚠️ Higher cost ($1,130) | ✅ More affordable ($285) |
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 Core i7-12700K
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.
Core i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.
Processing Power
The Ryzen Threadripper PRO 3955WX packs 16 cores / 32 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Ryzen Threadripper PRO 3955WX has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen Threadripper PRO 3955WX versus 5 GHz on the Core i7-12700K — a 15.1% clock advantage for the Core i7-12700K (base: 3.9 GHz vs 3.6 GHz). The Ryzen Threadripper PRO 3955WX uses the Castle Peak (2020) architecture (7 nm, 12 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Ryzen Threadripper PRO 3955WX scores 39,929 against the Core i7-12700K's 34,347 — a 15% lead for the Ryzen Threadripper PRO 3955WX. L3 cache: 64 MB on the Ryzen Threadripper PRO 3955WX vs 25 MB (total) on the Core i7-12700K.
| Feature | Ryzen Threadripper PRO 3955WX | Core i7-12700K |
|---|---|---|
| Cores / Threads | 16 / 32+33% | 12 / 20 |
| Boost Clock | 4.3 GHz | 5 GHz+16% |
| Base Clock | 3.9 GHz+8% | 3.6 GHz |
| L3 Cache | 64 MB+156% | 25 MB (total) |
| L2 Cache | 512 kB (per core) | 1.25 MB (per core)+150% |
| Process | 7 nm, 12 nm-30% | 10 nm |
| Architecture | Castle Peak (2020) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 39,929+16% | 34,347 |
Memory & Platform
The Ryzen Threadripper PRO 3955WX uses the sWRX8 socket (PCIe 4.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Ryzen Threadripper PRO 3955WX versus 4800 on the Core i7-12700K — the Core i7-12700K supports 40% 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 128 — 176.5% more capacity for professional workloads. Memory channels: 8 (Ryzen Threadripper PRO 3955WX) vs 2 (Core i7-12700K). PCIe lanes: 128 (Ryzen Threadripper PRO 3955WX) vs 20 (Core i7-12700K) — the Ryzen Threadripper PRO 3955WX offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX80 (Ryzen Threadripper PRO 3955WX) and Z690,B660 (Core i7-12700K).
| Feature | Ryzen Threadripper PRO 3955WX | Core i7-12700K |
|---|---|---|
| Socket | sWRX8 | LGA1700 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 3200 | 4800+50% |
| Max RAM Capacity | 2048+1500% | 128 |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+540% | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen Threadripper PRO 3955WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX) vs VT-x, VT-d (Core i7-12700K). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen Threadripper PRO 3955WX requires a dedicated GPU. Direct competitor: Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314; Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Ryzen Threadripper PRO 3955WX | Core i7-12700K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel UHD Graphics 770 |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, AMD-V | VT-x, VT-d |
Value Analysis
The Ryzen Threadripper PRO 3955WX launched at $1149 MSRP, while the Core i7-12700K debuted at $409. At current prices ($1130 vs $285), the Core i7-12700K is $845 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 3955WX delivers 35.3 pts/$ vs 120.5 pts/$ for the Core i7-12700K — making the Core i7-12700K the 109.3% better value option.
| Feature | Ryzen Threadripper PRO 3955WX | Core i7-12700K |
|---|---|---|
| MSRP | $1149 | $409-64% |
| Avg Price (30d) | $1130 | $285-75% |
| Performance per Dollar | 35.3 | 120.5+241% |
| Release Date | 2020 | 2021 |
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