A6-9550 vs Ryzen 9 9955HX
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 142 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | no data |
| Power efficiency | 24.95 | no data |
| Designer | AMD | AMD |
| Architecture codename | Fire Range-HX (Zen 5) (2025) | Bristol Ridge (2016−2019) |
| Release date | 6 January 2025 (less than a year ago) | 27 July 2017 (8 years ago) |
Detailed specifications
Ryzen 9 9955HX and A6-9550 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) | 2 (Dual-core) |
| Threads | 32 | 2 |
| Base clock speed | no data | 3.8 GHz |
| Boost clock speed | 5.4 GHz | 4 GHz |
| L1 cache | 1.3 MB | 128 KB (per core) |
| L2 cache | 16 MB | 1 MB (per core) |
| L3 cache | 64 MB | 0 KB |
| Chip lithography | no data | 28 nm |
| Die size | no data | 246 mm2 |
| Maximum case temperature (TCase) | no data | 74 °C |
| Number of transistors | no data | 1,178 million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 9 9955HX and A6-9550 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 | AM4 |
| Power consumption (TDP) | 55 Watt | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 9955HX and A6-9550. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| FMA | - | + |
| AVX | - | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 9955HX and A6-9550 are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 9955HX and A6-9550. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR4 Dual-channel |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 610M ( - 2200 MHz) | Radeon R5 |
Pros & cons summary
| Recency | 6 January 2025 | 27 July 2017 |
| Physical cores | 16 | 2 |
| Threads | 32 | 2 |
| Power consumption (TDP) | 55 Watt | 65 Watt |
Ryzen 9 9955HX has an age advantage of 7 years, 700% more physical cores and 1500% more threads, and 18.2% lower power consumption.
We couldn't decide between AMD Ryzen 9 9955HX and AMD A6-9550. We've got no test results to judge.
Be aware that Ryzen 9 9955HX is a notebook processor while A6-9550 is a desktop one.
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