Ryzen AI Max+ 392 vs Ryzen 9 3900
Aggregate performance score
Ryzen AI Max+ 392 outperforms Ryzen 9 3900 by a considerable 49% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 437 | 248 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 16.19 | no data |
| Market segment | Desktop processor | Laptop |
| Series | AMD Matisse (Ryzen 3000 Desktop) | no data |
| Power efficiency | 11.35 | 19.98 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Matisse (Zen 2) (2019−2020) | Strix Halo (2025−2026) |
| Release date | 24 September 2019 (6 years ago) | 6 January 2026 (less than a year ago) |
| Launch price (MSRP) | $499 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 9 3900 and Ryzen AI Max+ 392 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 12 (Dodeca-Core) | 12 (Dodeca-Core) |
| Threads | 24 | 24 |
| Base clock speed | 3.1 GHz | 3.2 GHz |
| Boost clock speed | 4.3 GHz | 5 GHz |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 1 MB (per core) |
| L3 cache | 64 MB | 64 MB (shared) |
| Chip lithography | 7 nm, 12 nm | 4 nm |
| Die size | 2x 74 mm2 | 2x 70.6 mm2 |
| Number of transistors | 7,600 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 3900 and Ryzen AI Max+ 392 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | 1 |
| Socket | AM4 | FP11 |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 3900 and Ryzen AI Max+ 392. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, FMA3, SHA, Precision Boost 2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 3900 and Ryzen AI Max+ 392 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 3900 and Ryzen AI Max+ 392. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | LPDDR5X |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | AMD Radeon 8060S |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 3900 and Ryzen AI Max+ 392.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 24 | 16 |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 17.48 | 26.05 |
| Recency | 24 September 2019 | 6 January 2026 |
| Chip lithography | 7 nm | 4 nm |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Ryzen AI Max+ 392 has a 49% higher aggregate performance score, an age advantage of 6 years, a 75% more advanced lithography process, and 18% lower power consumption.
The AMD Ryzen AI Max+ 392 is our recommended choice as it beats the AMD Ryzen 9 3900 in performance tests.
Note that Ryzen 9 3900 is a desktop processor while Ryzen AI Max+ 392 is a notebook one.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
