Ryzen 9 5900
Ryzen AI 9 HX PRO 375
Ryzen 9 5900 vs Ryzen AI 9 HX PRO 375 Performance Spectrum
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.
Ryzen 9 5900 vs Ryzen AI 9 HX PRO 375 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Apex Legends
ARC Raiders
Baldur's Gate 3
Call of Duty: Black Ops 6
Ryzen 9 5900 vs Ryzen AI 9 HX PRO 375: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Ryzen 9 5900
2021Why buy it
- ✅Better for gaming: +22.5% higher average FPS across 50 shared CPU benchmark tests.
- ✅+300% larger total L3 cache (64 MB vs 16 MB).
- ✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.
Trade-offs
- ❌Launch MSRP is still $549 MSRP, while Ryzen AI 9 HX PRO 375 mostly shows up through inconsistent older-market listings.
- ❌132.1% higher power demand at 65W vs 28W.
- ❌Older platform position on AM4 with DDR4, while Ryzen AI 9 HX PRO 375 moves to FP8 and DDR5.
- ❌No integrated graphics, while Ryzen AI 9 HX PRO 375 can still boot and troubleshoot without a discrete GPU.
- ❌No boxed cooler included, unlike Ryzen AI 9 HX PRO 375.
Ryzen AI 9 HX PRO 375
2025Why buy it
- ✅Draws 28W instead of 65W, a 37W reduction.
- ✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.
- ✅Integrated graphics onboard with Radeon 890M, while Ryzen 9 5900 needs a discrete GPU.
- ✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 9 5900.
Trade-offs
- ❌Worse for gaming: lower average FPS than Ryzen 9 5900 across 50 shared CPU benchmark tests.
- ❌Lower PassMark (33,619 vs 33,912).
- ❌Smaller total L3 cache (16 MB vs 64 MB).
Quick Answers
So, is Ryzen 9 5900 better than Ryzen AI 9 HX PRO 375?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Ryzen 9 5900 vs Ryzen AI 9 HX PRO 375 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
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)+51100% | 1 MB (per core) |
| 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 150% 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 — 100% 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+150% |
| Max RAM Capacity | 128 GB | 256 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | Yes | Yes |
| 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
At launch, the Ryzen 9 5900 was priced at $549, while the Ryzen AI 9 HX PRO 375 came in at $0. On launch pricing ($549 vs $0), Ryzen AI 9 HX PRO 375 was $549 cheaper.
| Feature | Ryzen 9 5900 | Ryzen AI 9 HX PRO 375 |
|---|---|---|
| MSRP | $549 | $0-100% |
| Performance per Dollar | 61.8 | — |
| Release Date | 2021 | 2025 |
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