Ryzen AI Max 390 vs Ryzen 9 7900
Aggregate performance score
Ryzen 9 7900 outperforms Ryzen AI Max 390 by a small 5% 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 | 162 | 173 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 66.02 | no data |
| Market segment | Desktop processor | Laptop |
| Power efficiency | 44.55 | 50.32 |
| Designer | AMD | AMD |
| Manufacturer | TSMC | TSMC |
| Architecture codename | Raphael (Zen4) (2022−2023) | Strix Halo (2025) |
| Release date | 14 January 2023 (2 years ago) | 6 January 2025 (less than a year ago) |
| Launch price (MSRP) | $429 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 9 7900 and Ryzen AI Max 390 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 | 3.7 GHz | 3.2 GHz |
| Boost clock speed | 5.4 GHz | 5 GHz |
| L1 cache | 64K (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 64 MB (shared) | 64 MB (shared) |
| Chip lithography | 5 nm | 4 nm |
| Die size | 2x 71 mm2 | 2x 70.6 mm2 |
| Maximum core temperature | 95 °C | no data |
| Maximum case temperature (TCase) | 47 °C | no data |
| Number of transistors | 13,140 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen 9 7900 and Ryzen AI Max 390 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 | AM5 | FP11 |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7900 and Ryzen AI Max 390. You'll probably need this information if you require some particular technology.
| Instruction set extensions | 5 nm, 0.650 - 1.475V | USB 4, XDNA 2 NPU (50 TOPS), SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7900 and Ryzen AI Max 390 are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7900 and Ryzen AI Max 390. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5200 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics (Ryzen 7000) ( - 2200 MHz) | AMD Radeon 8050S |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7900 and Ryzen AI Max 390.
| PCIe version | 5.0 | 4.0 |
| PCI Express lanes | 24 | 16 |
Synthetic benchmark performance
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 | 30.26 | 28.91 |
| Integrated graphics card | 4.03 | 39.38 |
| Recency | 14 January 2023 | 6 January 2025 |
| Chip lithography | 5 nm | 4 nm |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Ryzen 9 7900 has a 4.7% higher aggregate performance score.
Ryzen AI Max 390, on the other hand, has 877.2% faster integrated GPU, an age advantage of 1 year, a 25% more advanced lithography process, and 18.2% lower power consumption.
Given the minimal performance differences, no clear winner can be declared between AMD Ryzen 9 7900 and AMD Ryzen AI Max 390.
Note that Ryzen 9 7900 is a desktop processor while Ryzen AI Max 390 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.
