Ryzen 9 9955HX3D vs Ryzen 7 4750U
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | no data | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Designer | AMD | AMD |
| Manufacturer | TSMC | no data |
| Architecture codename | Renoir (2020−2023) | Fire Range-HX (Zen 5) (2025) |
| Release date | 7 May 2020 (4 years ago) | 6 January 2025 (less than a year ago) |
Detailed specifications
Ryzen 7 4750U 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 | 8 (Octa-Core) | 16 (Hexadeca-Core) |
| Threads | 16 | 32 |
| Base clock speed | 1.7 GHz | no data |
| Boost clock speed | 4.1 GHz | 5.4 GHz |
| L1 cache | 64K (per core) | 1.3 MB |
| L2 cache | 512K (per core) | 16 MB |
| L3 cache | 8 MB (shared) | 128 MB |
| Chip lithography | 7 nm | no data |
| Die size | 156 mm2 | no data |
| Number of transistors | 9,800 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Ryzen 7 4750U 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.
| Number of CPUs in a configuration | 1 | no data |
| Socket | FP6 | no data |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 4750U and Ryzen 9 9955HX3D. 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 Ryzen 7 4750U and Ryzen 9 9955HX3D are enumerated here.
| AMD-V | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 4750U and Ryzen 9 9955HX3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-4266 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon RX Vega 8 | AMD Radeon 610M ( - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 4750U and Ryzen 9 9955HX3D.
| PCIe version | 3.0 | no data |
Pros & cons summary
| Integrated graphics card | 4.12 | 2.62 |
| Recency | 7 May 2020 | 6 January 2025 |
| Physical cores | 8 | 16 |
| Threads | 16 | 32 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Ryzen 7 4750U has 57.3% faster integrated GPU, and 266.7% lower power consumption.
Ryzen 9 9955HX3D, on the other hand, has an age advantage of 4 years, and 100% more physical cores and 100% more threads.
We couldn't decide between AMD Ryzen 7 4750U and AMD Ryzen 9 9955HX3D. We've got no test results to judge.
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