Ryzen Threadripper PRO 3975WX vs Core i9-13900KS
Ryzen Threadripper PRO 3975WX
Core i9-13900KS
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 3975WX
Performance Per Dollar Core i9-13900KS
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 3975WX | Core i9-13900KS |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($368) | ⚠️ Higher cost ($580) |
| Longevity | ✨ Modern (Matisse (2019−2020) / 7 nm, 12 nm) | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 3975WX | Core i9-13900KS |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+62%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($368) | ⚠️ Higher cost ($580) |
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 3975WX and Core i9-13900KS
Ryzen Threadripper PRO 3975WX
The Ryzen Threadripper PRO 3975WX is manufactured by AMD. It was released in 2020-07-14. It is based on the Matisse (2019−2020) architecture. It features 32 cores and 64 threads. Base frequency is 3.5 GHz, with boost up to 4.2 GHz. L3 cache: 128 MB. L2 cache: 512K (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: 62,261 points. Launch price was $4,499.
Core i9-13900KS
The Core i9-13900KS is manufactured by Intel. It was released in 12 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 24 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 5.8 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 150 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 60,543 points. Launch price was $699.
Processing Power
The Ryzen Threadripper PRO 3975WX packs 32 cores / 64 threads, while the Core i9-13900KS offers 24 cores / 32 threads — the Ryzen Threadripper PRO 3975WX has 8 more cores. Boost clocks reach 4.2 GHz on the Ryzen Threadripper PRO 3975WX versus 5.8 GHz on the Core i9-13900KS — a 32% clock advantage for the Core i9-13900KS (base: 3.5 GHz vs 3.2 GHz). The Ryzen Threadripper PRO 3975WX uses the Matisse (2019−2020) architecture (7 nm, 12 nm), while the Core i9-13900KS uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 3975WX scores 62,261 against the Core i9-13900KS's 60,543 — a 2.8% lead for the Ryzen Threadripper PRO 3975WX. Cinebench R23 multi-core: 42,986 vs 40,998 (4.7% advantage for the Ryzen Threadripper PRO 3975WX). Geekbench 6 single-core — the metric most relevant to gaming — records 1,260 vs 3,123, a 85% lead for the Core i9-13900KS that directly translates to higher frame rates. Multi-core Geekbench: 25,211 vs 21,421 (16.3% advantage for the Ryzen Threadripper PRO 3975WX). L3 cache: 128 MB on the Ryzen Threadripper PRO 3975WX vs 36 MB (total) on the Core i9-13900KS.
| Feature | Ryzen Threadripper PRO 3975WX | Core i9-13900KS |
|---|---|---|
| Cores / Threads | 32 / 64+33% | 24 / 32 |
| Boost Clock | 4.2 GHz | 5.8 GHz+38% |
| Base Clock | 3.5 GHz+9% | 3.2 GHz |
| L3 Cache | 128 MB+256% | 36 MB (total) |
| L2 Cache | 512K (per core) | 2 MB (per core)+300% |
| Process | 7 nm, 12 nm | Intel 7 nm |
| Architecture | Matisse (2019−2020) | Raptor Lake-S (2023−2024) |
| PassMark | 62,261+3% | 60,543 |
| Cinebench R23 Multi | 42,986+5% | 40,998 |
| Geekbench 6 Single | 1,260 | 3,123+148% |
| Geekbench 6 Multi | 25,211+18% | 21,421 |
Memory & Platform
The Ryzen Threadripper PRO 3975WX uses the sWRX8 socket (PCIe 4.0), while the Core i9-13900KS uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen Threadripper PRO 3975WX versus DDR5-5600 on the Core i9-13900KS — the Core i9-13900KS supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3975WX supports up to 2048 GB of RAM compared to 192 GB — 165.7% more capacity for professional workloads. Memory channels: 8 (Ryzen Threadripper PRO 3975WX) vs 2 (Core i9-13900KS). PCIe lanes: 128 (Ryzen Threadripper PRO 3975WX) vs 20 (Core i9-13900KS) — the Ryzen Threadripper PRO 3975WX offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD WRX80 (Ryzen Threadripper PRO 3975WX) and Z790,B760 (Core i9-13900KS).
| Feature | Ryzen Threadripper PRO 3975WX | Core i9-13900KS |
|---|---|---|
| Socket | sWRX8 | LGA1700 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | DDR5-5600+25% |
| Max RAM Capacity | 2048 GB+967% | 192 GB |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 128+540% | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support true virtualization. The Core i9-13900KS includes integrated graphics (Intel UHD Graphics 770), while the Ryzen Threadripper PRO 3975WX requires a dedicated GPU. Direct competitor: Ryzen Threadripper PRO 3975WX rivals Xeon W-3375; Core i9-13900KS rivals Ryzen 9 7950X.
| Feature | Ryzen Threadripper PRO 3975WX | Core i9-13900KS |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel UHD Graphics 770 |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | true | true |
Value Analysis
The Ryzen Threadripper PRO 3975WX launched at $1337 MSRP, while the Core i9-13900KS debuted at $699. At current prices ($368 vs $580), the Ryzen Threadripper PRO 3975WX is $212 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 3975WX delivers 169.2 pts/$ vs 104.4 pts/$ for the Core i9-13900KS — making the Ryzen Threadripper PRO 3975WX the 47.4% better value option.
| Feature | Ryzen Threadripper PRO 3975WX | Core i9-13900KS |
|---|---|---|
| MSRP | $1337 | $699-48% |
| Avg Price (30d) | $368-37% | $580 |
| Performance per Dollar | 169.2+62% | 104.4 |
| Release Date | 2020 | 2023 |
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