Ryzen 9 PRO 5945 vs Ryzen 9 5900X
Ryzen 9 PRO 5945
Ryzen 9 5900X
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
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 PRO 5945 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($350) |
| Longevity | ✨ Modern (Vermeer (2020−2025) / 7 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Ryzen 9 PRO 5945 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($350) |
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 9 PRO 5945 and Ryzen 9 5900X
Ryzen 9 PRO 5945
The Ryzen 9 PRO 5945 is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 34,549 points. Launch price was $499.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
Both the Ryzen 9 PRO 5945 and Ryzen 9 5900X share an identical 12-core/24-thread configuration. Boost clocks reach 4.7 GHz on the Ryzen 9 PRO 5945 versus 4.8 GHz on the Ryzen 9 5900X — a 2.1% clock advantage for the Ryzen 9 5900X (base: 3 GHz vs 3.7 GHz). The Ryzen 9 PRO 5945 uses the Vermeer (2020−2025) architecture (7 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Ryzen 9 PRO 5945 scores 34,549 against the Ryzen 9 5900X's 38,955 — a 12% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 23,200 vs 21,000 (10% advantage for the Ryzen 9 PRO 5945). Geekbench 6 single-core — the metric most relevant to gaming — records 2,175 vs 2,174, a 0% lead for the Ryzen 9 PRO 5945 that directly translates to higher frame rates. Multi-core Geekbench: 12,500 vs 11,888 (5% advantage for the Ryzen 9 PRO 5945). Both processors carry 64 MB of L3 cache.
| Feature | Ryzen 9 PRO 5945 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 12 / 24 | 12 / 24 |
| Boost Clock | 4.7 GHz | 4.8 GHz+2% |
| Base Clock | 3 GHz | 3.7 GHz+23% |
| L3 Cache | 64 MB | 64 MB |
| L2 Cache | 512 kB (per core) | 512K (per core) |
| Process | 7 nm | 7 nm, 12 nm |
| Architecture | Vermeer (2020−2025) | Vermeer (Zen3) (2020−2022) |
| PassMark | 34,549 | 38,955+13% |
| Cinebench R23 Multi | 23,200+10% | 21,000 |
| Geekbench 6 Single | 2,175 | 2,174 |
| Geekbench 6 Multi | 12,500+5% | 11,888 |
Memory & Platform
Both processors use the AM4 socket with PCIe 4.0. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Ryzen 9 PRO 5945) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,A520,X470,B450 (Ryzen 9 PRO 5945) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Ryzen 9 PRO 5945 | Ryzen 9 5900X |
|---|---|---|
| Socket | AM4 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-3200 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 24+20% |
Advanced Features
Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (SVM) (Ryzen 9 PRO 5945) vs AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 PRO 5945 targets High-end Gaming, Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 PRO 5945 rivals Core i9-12900; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Ryzen 9 PRO 5945 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | AMD-V (SVM) | AMD-V |
| Target Use | High-end Gaming | Workstation |
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