Ryzen 9 5900 vs Ryzen AI 9 HX PRO 375
Ryzen 9 5900
Ryzen AI 9 HX PRO 375
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 9 5900
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 5900 | Ryzen AI 9 HX PRO 375 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($395) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Vermeer (2020−2025) / 7 nm, 12 nm) | ✨ Modern (Strix Point (2024−2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 5900 | Ryzen AI 9 HX PRO 375 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($395) | ✅ More affordable ($0) |
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 5900 and Ryzen AI 9 HX PRO 375
Ryzen 9 5900
The Ryzen 9 5900 is manufactured by AMD. It was released in 12 January 2021 (4 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: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 33,912 points. Launch price was $499.
Ryzen AI 9 HX PRO 375
The Ryzen AI 9 HX PRO 375 is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Strix Point (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 2 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 33,619 points. Launch price was $499.
Processing Power
Both the Ryzen 9 5900 and Ryzen AI 9 HX PRO 375 share an identical 12-core/24-thread configuration. Boost clocks reach 4.7 GHz on the Ryzen 9 5900 versus 5.1 GHz on the Ryzen AI 9 HX PRO 375 — a 8.2% clock advantage for the Ryzen AI 9 HX PRO 375 (base: 3 GHz vs 2 GHz). The Ryzen 9 5900 uses the Vermeer (2020−2025) architecture (7 nm, 12 nm), while the Ryzen AI 9 HX PRO 375 uses Strix Point (2024−2025) (4 nm). In PassMark, the Ryzen 9 5900 scores 33,912 against the Ryzen AI 9 HX PRO 375's 33,619 — a 0.9% lead for the Ryzen 9 5900. L3 cache: 64 MB on the Ryzen 9 5900 vs 16 MB on the Ryzen AI 9 HX PRO 375.
| Feature | Ryzen 9 5900 | Ryzen AI 9 HX PRO 375 |
|---|---|---|
| Cores / Threads | 12 / 24 | 12 / 24 |
| Boost Clock | 4.7 GHz | 5.1 GHz+9% |
| Base Clock | 3 GHz+50% | 2 GHz |
| L3 Cache | 64 MB+300% | 16 MB |
| L2 Cache | 512K (per core) | 1 MB (per core)+100% |
| Process | 7 nm, 12 nm | 4 nm-43% |
| Architecture | Vermeer (2020−2025) | Strix Point (2024−2025) |
| PassMark | 33,912 | 33,619 |
| Cinebench R23 Multi | — | 22,246 |
| Geekbench 6 Single | — | 2,864 |
| Geekbench 6 Multi | — | 15,012 |
Memory & Platform
The Ryzen 9 5900 uses the AM4 socket (PCIe 4.0), while the Ryzen AI 9 HX PRO 375 uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900 versus LPDDR5x-8000 on the Ryzen AI 9 HX PRO 375 — the Ryzen AI 9 HX PRO 375 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen AI 9 HX PRO 375 supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 9 5900) vs 16 (Ryzen AI 9 HX PRO 375) — the Ryzen 9 5900 offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Ryzen 9 5900 | Ryzen AI 9 HX PRO 375 |
|---|---|---|
| Socket | AM4 | FP8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | LPDDR5x-8000+25% |
| Max RAM Capacity | 128 GB | 256 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24+50% | 16 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen AI 9 HX PRO 375 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 9 5900) vs AMD-V, IOMMU (Ryzen AI 9 HX PRO 375). The Ryzen AI 9 HX PRO 375 includes integrated graphics (Radeon 890M), while the Ryzen 9 5900 requires a dedicated GPU. Primary use case: Ryzen 9 5900 targets OEM Gaming, Ryzen AI 9 HX PRO 375 targets Mobile Workstation / High-end Gaming. Direct competitor: Ryzen AI 9 HX PRO 375 rivals Core i9-14900HX.
| Feature | Ryzen 9 5900 | Ryzen AI 9 HX PRO 375 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon 890M |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | AMD-V, IOMMU |
| Target Use | OEM Gaming | Mobile Workstation / High-end Gaming |
Value Analysis
The Ryzen 9 5900 launched at $549 MSRP, while the Ryzen AI 9 HX PRO 375 debuted at $0. At current prices ($395 vs $0), the Ryzen AI 9 HX PRO 375 is $395 cheaper.
| Feature | Ryzen 9 5900 | Ryzen AI 9 HX PRO 375 |
|---|---|---|
| MSRP | $549 | $0-100% |
| Avg Price (30d) | $395 | $0-100% |
| Performance per Dollar | 85.9 | — |
| Release Date | 2021 | 2025 |
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