Ryzen Threadripper PRO 9945WX vs Core i9-13900KF
Ryzen Threadripper PRO 9945WX
Core i9-13900KF
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 9945WX
Performance Per Dollar Core i9-13900KF
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Threadripper PRO 9945WX | Core i9-13900KF |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($1,340) | ✅ More affordable ($480) |
| Longevity | ✨ Modern (Shimada Peak (2025) / 4 nm) | ✨ Modern (Raptor Lake, Raptor Cove, Gracemont (2022) / Intel 7 nm) |
💎 Value Proposition
| Insight | Ryzen Threadripper PRO 9945WX | Core i9-13900KF |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+184%) |
| Upfront Cost | ⚠️ Higher cost ($1,340) | ✅ More affordable ($480) |
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 9945WX and Core i9-13900KF
Ryzen Threadripper PRO 9945WX
The Ryzen Threadripper PRO 9945WX is manufactured by AMD. It was released in 2025-01-01. It is based on the Shimada Peak (2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 56,854 points. Launch price was $2,000.
Core i9-13900KF
The Core i9-13900KF is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 24 cores and 32 threads. Base frequency is 3 GHz, with boost up to 5.7 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): 125 W, 253 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 57,743 points. Launch price was $564.
Processing Power
The Ryzen Threadripper PRO 9945WX packs 12 cores / 24 threads, while the Core i9-13900KF offers 24 cores / 32 threads — the Core i9-13900KF has 12 more cores. Boost clocks reach 5.4 GHz on the Ryzen Threadripper PRO 9945WX versus 5.7 GHz on the Core i9-13900KF — a 5.4% clock advantage for the Core i9-13900KF (base: 4.7 GHz vs 3 GHz). The Ryzen Threadripper PRO 9945WX uses the Shimada Peak (2025) architecture (4 nm), while the Core i9-13900KF uses Raptor Lake, Raptor Cove, Gracemont (2022) (Intel 7 nm). In PassMark, the Ryzen Threadripper PRO 9945WX scores 56,854 against the Core i9-13900KF's 57,743 — a 1.6% lead for the Core i9-13900KF. L3 cache: 64 MB (total) on the Ryzen Threadripper PRO 9945WX vs 36 MB (total) on the Core i9-13900KF.
| Feature | Ryzen Threadripper PRO 9945WX | Core i9-13900KF |
|---|---|---|
| Cores / Threads | 12 / 24 | 24 / 32+100% |
| Boost Clock | 5.4 GHz | 5.7 GHz+6% |
| Base Clock | 4.7 GHz+57% | 3 GHz |
| L3 Cache | 64 MB (total)+78% | 36 MB (total) |
| L2 Cache | 1 MB (per core) | 2 MB (per core)+100% |
| Process | 4 nm-43% | Intel 7 nm |
| Architecture | Shimada Peak (2025) | Raptor Lake, Raptor Cove, Gracemont (2022) |
| PassMark | 56,854 | 57,743+2% |
| Cinebench R23 Multi | — | 39,565 |
| Geekbench 6 Single | — | 2,946 |
| Geekbench 6 Multi | — | 19,878 |
Memory & Platform
The Ryzen Threadripper PRO 9945WX uses the sTR5 socket (PCIe 4.0), while the Core i9-13900KF uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6400 on the Ryzen Threadripper PRO 9945WX versus DDR5-5600 on the Core i9-13900KF — the Ryzen Threadripper PRO 9945WX supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 9945WX supports up to 2048 of RAM compared to 192 GB — 165.7% more capacity for professional workloads. Memory channels: 8 (Ryzen Threadripper PRO 9945WX) vs 2 (Core i9-13900KF). PCIe lanes: 128 (Ryzen Threadripper PRO 9945WX) vs 20 (Core i9-13900KF) — the Ryzen Threadripper PRO 9945WX offers 108 more lanes for additional GPUs or NVMe drives. Chipset compatibility: WRX90,TRX50 (Ryzen Threadripper PRO 9945WX) and Intel Z790,Intel Z690 (Core i9-13900KF).
| Feature | Ryzen Threadripper PRO 9945WX | Core i9-13900KF |
|---|---|---|
| Socket | sTR5 | LGA1700 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 6400+127900% | DDR5-5600 |
| Max RAM Capacity | 2048 | 192 GB+9830300% |
| 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 9945WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 9945WX) vs true (Core i9-13900KF). Primary use case: Core i9-13900KF targets Desktop. Direct competitor: Ryzen Threadripper PRO 9945WX rivals Xeon w7-3545.
| Feature | Ryzen Threadripper PRO 9945WX | Core i9-13900KF |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, AMD-V | true |
| Target Use | — | Desktop |
Value Analysis
The Ryzen Threadripper PRO 9945WX launched at $1340 MSRP, while the Core i9-13900KF debuted at $599. At current prices ($1340 vs $480), the Core i9-13900KF is $860 cheaper. In terms of value (PassMark points per dollar), the Ryzen Threadripper PRO 9945WX delivers 42.4 pts/$ vs 120.3 pts/$ for the Core i9-13900KF — making the Core i9-13900KF the 95.7% better value option.
| Feature | Ryzen Threadripper PRO 9945WX | Core i9-13900KF |
|---|---|---|
| MSRP | $1340 | $599-55% |
| Avg Price (30d) | $1340 | $480-64% |
| Performance per Dollar | 42.4 | 120.3+184% |
| Release Date | 2025 | 2022 |
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