Ryzen 9 9955HX vs Ryzen AI Max+ 395
Ryzen 9 9955HX
Ryzen AI Max+ 395
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
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9955HX | Ryzen AI Max+ 395 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Fire Range-HX (Zen 5) (2025) / 4 nm) | ✨ Modern (Strix Halo (2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9955HX | Ryzen AI Max+ 395 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 9955HX and Ryzen AI Max+ 395
Ryzen 9 9955HX
The Ryzen 9 9955HX is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 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: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 55,711 points. Launch price was $650.
Ryzen AI Max+ 395
The Ryzen AI Max+ 395 is manufactured by AMD. It was released in 2025-01-01. It is based on the Strix Halo (2025) architecture. It features 16 cores and 32 threads. Base frequency is 3 GHz, with boost up to 5.1 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP11. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 55,025 points. Launch price was $450.
Processing Power
Both the Ryzen 9 9955HX and Ryzen AI Max+ 395 share an identical 16-core/32-thread configuration. Boost clocks reach 5.4 GHz on the Ryzen 9 9955HX versus 5.1 GHz on the Ryzen AI Max+ 395 — a 5.7% clock advantage for the Ryzen 9 9955HX (base: 2.5 GHz vs 3 GHz). The Ryzen 9 9955HX uses the Fire Range-HX (Zen 5) (2025) architecture (4 nm), while the Ryzen AI Max+ 395 uses Strix Halo (2025) (4 nm). In PassMark, the Ryzen 9 9955HX scores 55,711 against the Ryzen AI Max+ 395's 55,025 — a 1.2% lead for the Ryzen 9 9955HX. Both processors carry 64 MB (total) of L3 cache.
| Feature | Ryzen 9 9955HX | Ryzen AI Max+ 395 |
|---|---|---|
| Cores / Threads | 16 / 32 | 16 / 32 |
| Boost Clock | 5.4 GHz+6% | 5.1 GHz |
| Base Clock | 2.5 GHz | 3 GHz+20% |
| L3 Cache | 64 MB (total) | 64 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Fire Range-HX (Zen 5) (2025) | Strix Halo (2025) |
| PassMark | 55,711+1% | 55,025 |
| Cinebench R23 Multi | 38,010 | — |
| Geekbench 6 Single | 3,219 | — |
| Geekbench 6 Multi | 19,563 | — |
Memory & Platform
The Ryzen 9 9955HX uses the FL1 socket (PCIe 5.0), while the Ryzen AI Max+ 395 uses FP11 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9955HX versus 8000 on the Ryzen AI Max+ 395 — the Ryzen AI Max+ 395 supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen AI Max+ 395 supports up to 128 of RAM compared to 96 GB — 28.6% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9955HX) vs 4 (Ryzen AI Max+ 395). PCIe lanes: 28 (Ryzen 9 9955HX) vs 16 (Ryzen AI Max+ 395) — the Ryzen 9 9955HX offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FL1 (Ryzen 9 9955HX) and FP11 (Ryzen AI Max+ 395).
| Feature | Ryzen 9 9955HX | Ryzen AI Max+ 395 |
|---|---|---|
| Socket | FL1 | FP11 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5600 | 8000+159900% |
| Max RAM Capacity | 96 GB+78643100% | 128 |
| RAM Channels | 2 | 4+100% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28+75% | 16 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Ryzen 9 9955HX) vs VT-x, VT-d, AMD-V (Ryzen AI Max+ 395). Both include integrated graphics — Radeon 610M (Ryzen 9 9955HX) and AMD Radeon 8060S (Ryzen AI Max+ 395) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Ryzen 9 9955HX rivals Core Ultra 9 275HX; Ryzen AI Max+ 395 rivals Core Ultra 9 285HX.
| Feature | Ryzen 9 9955HX | Ryzen AI Max+ 395 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon 610M | AMD Radeon 8060S |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d, AMD-V |
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