Ryzen AI Max+ 388 vs Ryzen 9 5900
Aggregate performance score
Ryzen 9 5900 outperforms Ryzen AI Max+ 388 by a small 7% 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 | 357 | 392 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | AMD Ryzen 9 | no data |
| Power efficiency | 12.58 | 13.89 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Vermeer (2020−2025) | Strix Halo (2025) |
| Release date | 12 January 2021 (4 years ago) | no data |
Detailed specifications
Ryzen 9 5900 and Ryzen AI Max+ 388 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) | 8 (Octa-Core) |
| Threads | 24 | 16 |
| Base clock speed | 3 GHz | 3.6 GHz |
| Boost clock speed | 4.7 GHz | 5 GHz |
| Multiplier | 30 | no data |
| L1 cache | 64K (per core) | no data |
| L2 cache | 512K (per core) | no data |
| L3 cache | 64 MB | no data |
| Chip lithography | 7 nm, 12 nm | no data |
| Die size | 81 mm2 | no data |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 4,150 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 5900 and Ryzen AI Max+ 388 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 | no data |
| Socket | AM4 | no data |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 5900 and Ryzen AI Max+ 388. You'll probably need this information if you require some particular technology.
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 5900 and Ryzen AI Max+ 388 are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900 and Ryzen AI Max+ 388. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | no data |
| Maximum memory size | 128 GB | no data |
| Maximum memory bandwidth | 51.196 GB/s | no data |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 5900 and Ryzen AI Max+ 388.
| PCIe version | 4.0 | no data |
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 | 19.23 | 17.97 |
| Physical cores | 12 | 8 |
| Threads | 24 | 16 |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Ryzen 9 5900 has a 7% higher aggregate performance score, and 50% more physical cores and 50% more threads.
Ryzen AI Max+ 388, on the other hand, has 18.2% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between AMD Ryzen 9 5900 and AMD Ryzen AI Max+ 388.
Note that Ryzen 9 5900 is a desktop processor while Ryzen AI Max+ 388 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.
