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