CPU
GPU
Ryzen AI 9 HX PRO 375
Ryzen 9 5900
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 5900
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen AI 9 HX PRO 375 | Ryzen 9 5900 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($395) |
| Longevity | ✨ Modern (Strix Point (2024−2025) / 4 nm) | ✨ Modern (Vermeer (2020−2025) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Ryzen AI 9 HX PRO 375 | Ryzen 9 5900 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($395) |
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 AI 9 HX PRO 375 and Ryzen 9 5900
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.
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.
Processing Power
Both the Ryzen AI 9 HX PRO 375 and Ryzen 9 5900 share an identical 12-core/24-thread configuration. Boost clocks reach 5.1 GHz on the Ryzen AI 9 HX PRO 375 versus 4.7 GHz on the Ryzen 9 5900 — a 8.2% clock advantage for the Ryzen AI 9 HX PRO 375 (base: 2 GHz vs 3 GHz). The Ryzen AI 9 HX PRO 375 uses the Strix Point (2024−2025) architecture (4 nm), while the Ryzen 9 5900 uses Vermeer (2020−2025) (7 nm, 12 nm). In PassMark, the Ryzen AI 9 HX PRO 375 scores 33,619 against the Ryzen 9 5900's 33,912 — a 0.9% lead for the Ryzen 9 5900. L3 cache: 16 MB on the Ryzen AI 9 HX PRO 375 vs 64 MB on the Ryzen 9 5900.
| Feature | Ryzen AI 9 HX PRO 375 | Ryzen 9 5900 |
|---|---|---|
| Cores / Threads | 12 / 24 | 12 / 24 |
| Boost Clock | 5.1 GHz+9% | 4.7 GHz |
| Base Clock | 2 GHz | 3 GHz+50% |
| L3 Cache | 16 MB | 64 MB+300% |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 4 nm-43% | 7 nm, 12 nm |
| Architecture | Strix Point (2024−2025) | Vermeer (2020−2025) |
| PassMark | 33,619 | 33,912 |
| Cinebench R23 Multi | 22,246 | — |
| Geekbench 6 Single | 2,864 | — |
| Geekbench 6 Multi | 15,012 | — |
Memory & Platform
The Ryzen AI 9 HX PRO 375 uses the FP8 socket (PCIe 4.0), while the Ryzen 9 5900 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5x-8000 on the Ryzen AI 9 HX PRO 375 versus DDR4-3200 on the Ryzen 9 5900 — 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: 16 (Ryzen AI 9 HX PRO 375) vs 24 (Ryzen 9 5900) — the Ryzen 9 5900 offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Ryzen AI 9 HX PRO 375 | Ryzen 9 5900 |
|---|---|---|
| Socket | FP8 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | LPDDR5x-8000+25% | DDR4-3200 |
| Max RAM Capacity | 256 GB+100% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 16 | 24+50% |
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, IOMMU (Ryzen AI 9 HX PRO 375) vs AMD-V (Ryzen 9 5900). 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 AI 9 HX PRO 375 targets Mobile Workstation / High-end Gaming, Ryzen 9 5900 targets OEM Gaming. Direct competitor: Ryzen AI 9 HX PRO 375 rivals Core i9-14900HX.
| Feature | Ryzen AI 9 HX PRO 375 | Ryzen 9 5900 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon 890M | — |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | AMD-V, IOMMU | AMD-V |
| Target Use | Mobile Workstation / High-end Gaming | OEM Gaming |
Value Analysis
The Ryzen AI 9 HX PRO 375 launched at $0 MSRP, while the Ryzen 9 5900 debuted at $549. At current prices ($0 vs $395), the Ryzen AI 9 HX PRO 375 is $395 cheaper.
| Feature | Ryzen AI 9 HX PRO 375 | Ryzen 9 5900 |
|---|---|---|
| MSRP | $0-100% | $549 |
| Avg Price (30d) | $0-100% | $395 |
| Performance per Dollar | — | 85.9 |
| Release Date | 2025 | 2021 |
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