Ryzen 7 8745HX vs AMD-K5-PR75ABR
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 | Desktop processor | Laptop |
| Series | AMD K5 | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | K5 (1996−1997) | Dragon Range (2025) |
| Release date | no data | 23 April 2025 (less than a year ago) |
Detailed specifications
AMD-K5-PR75ABR and Ryzen 7 8745HX 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 | 1 (Single-Core) | 8 (Octa-Core) |
| Threads | 1 | 16 |
| Base clock speed | no data | 3.6 GHz |
| Boost clock speed | 0.08 GHz | 5.1 GHz |
| Bus type | FSB | no data |
| Bus rate | 50 MT/s | no data |
| Multiplier | 1.5 | no data |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | no data | 1 MB (per core) |
| L3 cache | no data | 32 MB (shared) |
| Chip lithography | 350 nm | 5 nm |
| Die size | 161 mm2 | 71 mm2 |
| Number of transistors | 4 Million | 6,570 million |
| 64 bit support | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on AMD-K5-PR75ABR and Ryzen 7 8745HX 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) | no data | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by AMD-K5-PR75ABR and Ryzen 7 8745HX. 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 AMD-K5-PR75ABR and Ryzen 7 8745HX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by AMD-K5-PR75ABR and Ryzen 7 8745HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
| Maximum memory size | 4 GB | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by AMD-K5-PR75ABR and Ryzen 7 8745HX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
Pros & cons summary
| Physical cores | 1 | 8 |
| Threads | 1 | 16 |
| Chip lithography | 350 nm | 5 nm |
Ryzen 7 8745HX has 700% more physical cores and 1500% more threads, and a 6900% more advanced lithography process.
We couldn't decide between AMD AMD-K5-PR75ABR and AMD Ryzen 7 8745HX. We've got no test results to judge.
Note that AMD-K5-PR75ABR is a desktop processor while Ryzen 7 8745HX is a notebook one.
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