Ryzen Embedded 8645HS vs Ryzen 9 PRO 7940HS
Primary details
Comparing Ryzen 9 PRO 7940HS and Ryzen Embedded 8645HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 344 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Phoenix (Zen 4, Ryzen 7040) | no data |
| Power efficiency | 47.91 | no data |
| Architecture codename | Phoenix-HS (Zen 4) (2023) | Hawk Point (2024) |
| Release date | 13 June 2023 (1 year ago) | 2 April 2024 (less than a year ago) |
Detailed specifications
Ryzen 9 PRO 7940HS and Ryzen Embedded 8645HS 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) | 6 (Hexa-Core) |
| Threads | 16 | 12 |
| Base clock speed | 4 GHz | 4.3 GHz |
| Boost clock speed | 5.2 GHz | 5 GHz |
| L1 cache | 512 KB | 64 KB (per core) |
| L2 cache | 8 MB | 1 MB (per core) |
| L3 cache | 16 MB | 16 MB (shared) |
| Chip lithography | 4 nm | 4 nm |
| Die size | 178 mm2 | 178 mm2 |
| Maximum core temperature | 100 °C | no data |
| Number of transistors | no data | 25,000 million |
| 64 bit support | + | + |
Compatibility
Information on Ryzen 9 PRO 7940HS and Ryzen Embedded 8645HS 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 | FP8 |
| Power consumption (TDP) | 35 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 7940HS and Ryzen Embedded 8645HS. 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 Embedded 8645HS are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 7940HS and Ryzen Embedded 8645HS. 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 Compare | AMD Radeon 780M | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 7940HS and Ryzen Embedded 8645HS.
| PCIe version | no data | 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Integrated graphics card | 18.28 | 14.99 |
| Recency | 13 June 2023 | 2 April 2024 |
| Physical cores | 8 | 6 |
| Threads | 16 | 12 |
| Power consumption (TDP) | 35 Watt | 45 Watt |
Ryzen 9 PRO 7940HS has 21.9% faster integrated GPU, 33.3% more physical cores and 33.3% more threads, and 28.6% lower power consumption.
Ryzen Embedded 8645HS, on the other hand, has an age advantage of 9 months.
We couldn't decide between Ryzen 9 PRO 7940HS and Ryzen Embedded 8645HS. We've got no test results to judge.
Be aware that Ryzen 9 PRO 7940HS is a notebook processor while Ryzen Embedded 8645HS is a server/workstation one.
Should you still have questions on choice between Ryzen 9 PRO 7940HS and Ryzen Embedded 8645HS, ask them in Comments section, and we shall answer.
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