Ryzen 7 8745HX vs Ryzen 9 PRO 7940HS
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 399 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Phoenix (Zen 4, Ryzen 7040) | no data |
| Power efficiency | 48.01 | no data |
| Designer | AMD | AMD |
| Manufacturer | no data | TSMC |
| Architecture codename | Phoenix-HS (Zen 4) (2023) | Dragon Range (2025) |
| Release date | 13 June 2023 (1 year ago) | 23 April 2025 (recently) |
Detailed specifications
Ryzen 9 PRO 7940HS 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 | 8 (Octa-Core) | 8 (Octa-Core) |
| Threads | 16 | 16 |
| Base clock speed | 4 GHz | 3.6 GHz |
| Boost clock speed | 5.2 GHz | 5.1 GHz |
| L1 cache | 512 KB | 64 KB (per core) |
| L2 cache | 8 MB | 1 MB (per core) |
| L3 cache | 16 MB | 32 MB (shared) |
| Chip lithography | 4 nm | 5 nm |
| Die size | 178 mm2 | 71 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 6,570 million |
| 64 bit support | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 9 PRO 7940HS 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 | FP7/FP8 | FL1 |
| Power consumption (TDP) | 35 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 7940HS 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 Ryzen 9 PRO 7940HS and Ryzen 7 8745HX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 7940HS and Ryzen 7 8745HX. 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 780M ( - 2800 MHz) | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 7940HS and Ryzen 7 8745HX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
Pros & cons summary
| Integrated graphics card | 17.10 | 2.70 |
| Recency | 13 June 2023 | 23 April 2025 |
| Chip lithography | 4 nm | 5 nm |
| Power consumption (TDP) | 35 Watt | 55 Watt |
Ryzen 9 PRO 7940HS has 533.3% faster integrated GPU, a 25% more advanced lithography process, and 57.1% lower power consumption.
Ryzen 7 8745HX, on the other hand, has an age advantage of 1 year.
We couldn't decide between AMD Ryzen 9 PRO 7940HS and AMD Ryzen 7 8745HX. We've got no test results to judge.
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