Ryzen 9 9955HX vs Apple M4 Max (16 cores)
Aggregate performance score
Ryzen 9 9955HX outperforms M4 Max (16 cores) by a significant 26% 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 | 254 | 163 |
| 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 | no data | 61.34 |
| Designer | Apple | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | no data | Fire Range-HX (Zen 5) (2025) |
| Release date | 30 October 2024 (1 year ago) | 6 January 2025 (less than a year ago) |
Detailed specifications
M4 Max (16 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 | 16 (Hexadeca-Core) | 16 (Hexadeca-Core) |
| Threads | 16 | 32 |
| Base clock speed | no data | 2.5 GHz |
| Boost clock speed | 4.51 GHz | 5.4 GHz |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | no data | 64 MB (shared) |
| Chip lithography | 3 nm | 4 nm |
| Die size | no data | 2x 70.6 mm2 |
| Number of transistors | no data | 16,630 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on M4 Max (16 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.
| Number of CPUs in a configuration | no data | 1 |
| Socket | no data | FL1 |
| Power consumption (TDP) | 4 MB | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by M4 Max (16 cores) and Ryzen 9 9955HX. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by M4 Max (16 cores) and Ryzen 9 9955HX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by M4 Max (16 cores) and Ryzen 9 9955HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Apple M4 40-core GPU | AMD Radeon 610M ( - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by M4 Max (16 cores) and Ryzen 9 9955HX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
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.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
CrossMark Overall
WebXPRT 4 Overall
Geekbench 6.4 Multi-Core
Geekbench 6.4 Single-Core
Pros & cons summary
| Performance score | 24.95 | 31.48 |
| Recency | 30 October 2024 | 6 January 2025 |
| Threads | 16 | 32 |
| Chip lithography | 3 nm | 4 nm |
| Power consumption (TDP) | 4 Watt | 55 Watt |
Apple M4 Max (16 cores) has a 33.3% more advanced lithography process, and 1275% lower power consumption.
Ryzen 9 9955HX, on the other hand, has a 26.2% higher aggregate performance score, an age advantage of 2 months, and 100% more threads.
The AMD Ryzen 9 9955HX is our recommended choice as it beats the Apple M4 Max (16 cores) 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.
