Ryzen 9 9955HX3D vs A4-9120C
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2948 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Bristol Ridge | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Power efficiency | 8.62 | no data |
| Designer | AMD | AMD |
| Architecture codename | Stoney Ridge (2016−2019) | Fire Range-HX (Zen 5) (2025) |
| Release date | 6 January 2019 (6 years ago) | 6 January 2025 (less than a year ago) |
Detailed specifications
A4-9120C and Ryzen 9 9955HX3D 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 | 2 (Dual-core) | 16 (Hexadeca-Core) |
| Threads | 2 | 32 |
| Boost clock speed | 1.6 GHz | 5.4 GHz |
| Multiplier | 16 | no data |
| L1 cache | 160 KB | 1.3 MB |
| L2 cache | 1 MB | 16 MB |
| L3 cache | no data | 128 MB |
| Chip lithography | 28 nm | no data |
| Die size | 124.5 mm2 | no data |
| Number of transistors | 1200 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on A4-9120C and Ryzen 9 9955HX3D 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 | BGA | no data |
| Power consumption (TDP) | 6 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A4-9120C and Ryzen 9 9955HX3D. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Virtualization, | no data |
| AES-NI | + | - |
| AVX | + | - |
Virtualization technologies
Virtual machine speed-up technologies supported by A4-9120C and Ryzen 9 9955HX3D are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A4-9120C and Ryzen 9 9955HX3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | no data |
| Maximum memory bandwidth | 14.936 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R4 (Stoney Ridge) ( - 600 MHz) | AMD Radeon 610M ( - 2200 MHz) |
Pros & cons summary
| Integrated graphics card | 1.06 | 2.62 |
| Recency | 6 January 2019 | 6 January 2025 |
| Physical cores | 2 | 16 |
| Threads | 2 | 32 |
| Power consumption (TDP) | 6 Watt | 55 Watt |
A4-9120C has 816.7% lower power consumption.
Ryzen 9 9955HX3D, on the other hand, has 147.2% faster integrated GPU, an age advantage of 6 years, and 700% more physical cores and 1500% more threads.
We couldn't decide between AMD A4-9120C and AMD Ryzen 9 9955HX3D. We've got no test results to judge.
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