
Core i7-12700K vs Ryzen Threadripper PRO 3955WX

Core i7-12700K

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 Core i7-12700K
Performance Per Dollar Ryzen Threadripper PRO 3955WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-12700K | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($285) | ⚠️ Higher cost ($1,130) |
| Longevity | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i7-12700K | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+241%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($285) | ⚠️ 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 Core i7-12700K and Ryzen Threadripper PRO 3955WX

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.

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 Core i7-12700K packs 12 cores / 20 threads, while the Ryzen Threadripper PRO 3955WX offers 16 cores / 32 threads — the Ryzen Threadripper PRO 3955WX has 4 more cores. Boost clocks reach 5 GHz on the Core i7-12700K versus 4.3 GHz on the Ryzen Threadripper PRO 3955WX — a 15.1% clock advantage for the Core i7-12700K (base: 3.6 GHz vs 3.9 GHz). The Core i7-12700K uses the Alder Lake, Golden Cove, Gracemont (2021) architecture (10 nm), while the Ryzen Threadripper PRO 3955WX uses Castle Peak (2020) (7 nm, 12 nm). In PassMark, the Core i7-12700K scores 34,347 against the Ryzen Threadripper PRO 3955WX's 39,929 — a 15% lead for the Ryzen Threadripper PRO 3955WX. L3 cache: 25 MB (total) on the Core i7-12700K vs 64 MB on the Ryzen Threadripper PRO 3955WX.
| Feature | Core i7-12700K | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Cores / Threads | 12 / 20 | 16 / 32+33% |
| Boost Clock | 5 GHz+16% | 4.3 GHz |
| Base Clock | 3.6 GHz | 3.9 GHz+8% |
| L3 Cache | 25 MB (total) | 64 MB+156% |
| L2 Cache | 1.25 MB (per core)+150% | 512 kB (per core) |
| Process | 10 nm | 7 nm, 12 nm-30% |
| Architecture | Alder Lake, Golden Cove, Gracemont (2021) | Castle Peak (2020) |
| PassMark | 34,347 | 39,929+16% |
Memory & Platform
The Core i7-12700K uses the LGA1700 socket (PCIe 5.0), while the Ryzen Threadripper PRO 3955WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i7-12700K versus 3200 on the Ryzen Threadripper PRO 3955WX — 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: 2 (Core i7-12700K) vs 8 (Ryzen Threadripper PRO 3955WX). PCIe lanes: 20 (Core i7-12700K) vs 128 (Ryzen Threadripper PRO 3955WX) — the Ryzen Threadripper PRO 3955WX offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i7-12700K) and WRX80 (Ryzen Threadripper PRO 3955WX).
| Feature | Core i7-12700K | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Socket | LGA1700 | sWRX8 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | 4800+50% | 3200 |
| Max RAM Capacity | 128 | 2048+1500% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 128+540% |
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 (Core i7-12700K) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 3955WX). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Ryzen Threadripper PRO 3955WX requires a dedicated GPU. Direct competitor: Core i7-12700K rivals Ryzen 7 5800X; Ryzen Threadripper PRO 3955WX rivals Xeon Silver 4314.
| Feature | Core i7-12700K | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | None |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d, AMD-V |
Value Analysis
The Core i7-12700K launched at $409 MSRP, while the Ryzen Threadripper PRO 3955WX debuted at $1149. At current prices ($285 vs $1130), the Core i7-12700K is $845 cheaper. In terms of value (PassMark points per dollar), the Core i7-12700K delivers 120.5 pts/$ vs 35.3 pts/$ for the Ryzen Threadripper PRO 3955WX — making the Core i7-12700K the 109.3% better value option.
| Feature | Core i7-12700K | Ryzen Threadripper PRO 3955WX |
|---|---|---|
| MSRP | $409-64% | $1149 |
| Avg Price (30d) | $285-75% | $1130 |
| Performance per Dollar | 120.5+241% | 35.3 |
| Release Date | 2021 | 2020 |
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