Ryzen 9 PRO 3900 vs Ryzen AI Max PRO 385
Ryzen 9 PRO 3900
Ryzen AI Max PRO 385
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 PRO 3900
Performance Per Dollar Ryzen AI Max PRO 385
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 PRO 3900 | Ryzen AI Max PRO 385 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($200) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 12 nm) | ✨ Modern (Strix Halo (2025) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 PRO 3900 | Ryzen AI Max PRO 385 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($200) | ✅ 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 PRO 3900 and Ryzen AI Max PRO 385
Ryzen 9 PRO 3900
The Ryzen 9 PRO 3900 is manufactured by AMD. It was released in 30 September 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 6 MB. Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 31,251 points. Launch price was $499.
Ryzen AI Max PRO 385
The Ryzen AI Max PRO 385 is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Strix Halo (2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 32 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: 31,508 points. Launch price was $499.
Processing Power
The Ryzen 9 PRO 3900 packs 12 cores / 24 threads, while the Ryzen AI Max PRO 385 offers 8 cores / 16 threads — the Ryzen 9 PRO 3900 has 4 more cores. Boost clocks reach 4.3 GHz on the Ryzen 9 PRO 3900 versus 5 GHz on the Ryzen AI Max PRO 385 — a 15.1% clock advantage for the Ryzen AI Max PRO 385 (base: 3.1 GHz vs 3.6 GHz). The Ryzen 9 PRO 3900 uses the Zen 2 (2017−2020) architecture (7 nm, 12 nm), while the Ryzen AI Max PRO 385 uses Strix Halo (2025) (4 nm). In PassMark, the Ryzen 9 PRO 3900 scores 31,251 against the Ryzen AI Max PRO 385's 31,508 — a 0.8% lead for the Ryzen AI Max PRO 385. Cinebench R23 multi-core: 17,500 vs 16,500 (5.9% advantage for the Ryzen 9 PRO 3900). Geekbench 6 single-core — the metric most relevant to gaming — records 1,688 vs 2,886, a 52.4% lead for the Ryzen AI Max PRO 385 that directly translates to higher frame rates. Multi-core Geekbench: 10,000 vs 14,136 (34.3% advantage for the Ryzen AI Max PRO 385). L3 cache: 64 MB on the Ryzen 9 PRO 3900 vs 32 MB (total) on the Ryzen AI Max PRO 385.
| Feature | Ryzen 9 PRO 3900 | Ryzen AI Max PRO 385 |
|---|---|---|
| Cores / Threads | 12 / 24+50% | 8 / 16 |
| Boost Clock | 4.3 GHz | 5 GHz+16% |
| Base Clock | 3.1 GHz | 3.6 GHz+16% |
| L3 Cache | 64 MB+100% | 32 MB (total) |
| L2 Cache | 6 MB+500% | 1 MB (per core) |
| Process | 7 nm, 12 nm | 4 nm-43% |
| Architecture | Zen 2 (2017−2020) | Strix Halo (2025) |
| PassMark | 31,251 | 31,508 |
| Cinebench R23 Multi | 17,500+6% | 16,500 |
| Geekbench 6 Single | 1,688 | 2,886+71% |
| Geekbench 6 Multi | 10,000 | 14,136+41% |
Memory & Platform
The Ryzen 9 PRO 3900 uses the AM4 socket (PCIe 4.0), while the Ryzen AI Max PRO 385 uses FP11 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 PRO 3900 versus LPDDR5x-8000 on the Ryzen AI Max PRO 385 — the Ryzen AI Max PRO 385 supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Memory channels: 2 (Ryzen 9 PRO 3900) vs 8 (Ryzen AI Max PRO 385). PCIe lanes: 24 (Ryzen 9 PRO 3900) vs 20 (Ryzen AI Max PRO 385) — the Ryzen 9 PRO 3900 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,X470,B450 (Ryzen 9 PRO 3900) and Strix Halo platform (Ryzen AI Max PRO 385).
| Feature | Ryzen 9 PRO 3900 | Ryzen AI Max PRO 385 |
|---|---|---|
| Socket | AM4 | FP11 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | LPDDR5x-8000+25% |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 24+20% | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen AI Max PRO 385 supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen AI Max PRO 385 includes integrated graphics (Radeon 8050S), while the Ryzen 9 PRO 3900 requires a dedicated GPU. Primary use case: Ryzen 9 PRO 3900 targets Professional Content Creation, Ryzen AI Max PRO 385 targets Enterprise AI Mobile. Direct competitor: Ryzen 9 PRO 3900 rivals Core i9-10900; Ryzen AI Max PRO 385 rivals M3 Max.
| Feature | Ryzen 9 PRO 3900 | Ryzen AI Max PRO 385 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon 8050S |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | AMD-V |
| Target Use | Professional Content Creation | Enterprise AI Mobile |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Ryzen 9 PRO 3900 and Ryzen AI Max PRO 385
