Ryzen Z2 Extreme vs Ryzen 9 9955HX
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 116 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | AMD Strix Halo/Point (Zen 5/5c, Ryzen AI 300) |
| Power efficiency | 62.57 | no data |
| Designer | AMD | AMD |
| Architecture codename | Fire Range-HX (Zen 5) (2025) | Strix Point (Zen 5) (2025) |
| Release date | 6 January 2025 (less than a year ago) | 6 January 2025 (less than a year ago) |
Detailed specifications
Ryzen 9 9955HX and Ryzen Z2 Extreme 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) | 8 (Octa-Core) |
| Threads | 32 | 16 |
| Base clock speed | no data | 2 GHz |
| Boost clock speed | 5.4 GHz | 5 GHz |
| L1 cache | 1.3 MB | no data |
| L2 cache | 16 MB | 8 MB |
| L3 cache | 64 MB | 16 MB |
| Chip lithography | no data | 4 nm |
| 64 bit support | + | + |
Compatibility
Information on Ryzen 9 9955HX and Ryzen Z2 Extreme 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.
| Socket | no data | FP8 |
| Power consumption (TDP) | 55 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 9955HX and Ryzen Z2 Extreme. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | USB 4, XDNA 2 NPU (50 TOPS), Secure Processor, SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A |
| AES-NI | - | + |
| AVX | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 9955HX and Ryzen Z2 Extreme. 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 | AMD Radeon 610M ( - 2200 MHz) | AMD Radeon 890M |
Pros & cons summary
| Integrated graphics card | 2.77 | 21.21 |
| Physical cores | 16 | 8 |
| Threads | 32 | 16 |
| Power consumption (TDP) | 55 Watt | 15 Watt |
Ryzen 9 9955HX has 100% more physical cores and 100% more threads.
Ryzen Z2 Extreme, on the other hand, has 665.7% faster integrated GPU, and 266.7% lower power consumption.
We couldn't decide between AMD Ryzen 9 9955HX and AMD Ryzen Z2 Extreme. We've got no test results to judge.
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