Ryzen 9 9955HX vs Apple M4 Max (14 cores)
Aggregate performance score
Apple M4 Max (14 cores) outperforms Ryzen 9 9955HX by a moderate 17% 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 | 66 | 110 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Apple M4 | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 51.25 | 63.84 |
| Designer | Apple | AMD |
| Architecture codename | no data | Fire Range-HX (Zen 5) (2025) |
| Release date | 30 November 2024 (less than a year ago) | 6 January 2025 (less than a year ago) |
Detailed specifications
M4 Max (14 cores) and Ryzen 9 9955HX 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 | 14 (Tetradeca-Core) | 16 (Hexadeca-Core) |
| Threads | 14 | 32 |
| Boost clock speed | 4.51 GHz | 5.4 GHz |
| L1 cache | no data | 1.3 MB |
| L2 cache | no data | 16 MB |
| L3 cache | no data | 64 MB |
| Chip lithography | 3 nm | no data |
| 64 bit support | + | + |
Compatibility
Information on M4 Max (14 cores) and Ryzen 9 9955HX 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.
| Power consumption (TDP) | 80 Watt | 55 Watt |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Apple M4 32-core GPU | AMD Radeon 610M ( - 2200 MHz) |
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.
Geekbench 6.4 Multi-Core
Pros & cons summary
| Performance score | 42.53 | 36.42 |
| Recency | 30 November 2024 | 6 January 2025 |
| Physical cores | 14 | 16 |
| Threads | 14 | 32 |
| Power consumption (TDP) | 80 Watt | 55 Watt |
Apple M4 Max (14 cores) has a 16.8% higher aggregate performance score.
Ryzen 9 9955HX, on the other hand, has an age advantage of 1 month, 14.3% more physical cores and 128.6% more threads, and 45.5% lower power consumption.
The Apple M4 Max (14 cores) is our recommended choice as it beats the AMD Ryzen 9 9955HX in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
