Ryzen 9 PRO 8945HS vs Ryzen 7 7840U
Primary details
Comparing Ryzen 7 7840U and Ryzen 9 PRO 8945HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | 382 | 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 |
| Architecture codename | Phoenix-U (Zen 4) | Hawk Point-HS (Zen 4) |
| Release date | May 2023 (1 year ago) | 16 April 2024 (less than a year ago) |
Detailed specifications
Ryzen 7 7840U and Ryzen 9 PRO 8945HS 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 | 3.3 GHz | 4 GHz |
| Boost clock speed | 5.1 GHz | 5.2 GHz |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 1 MB (per core) | 1 MB (per core) |
| L3 cache | 16 MB (shared) | 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 | 25,000 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
| Unlocked multiplier | No | No |
Compatibility
Information on Ryzen 7 7840U and Ryzen 9 PRO 8945HS 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 | 1 |
| Socket | FP8 | FP7 |
| Power consumption (TDP) | 28 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 7840U and Ryzen 9 PRO 8945HS. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 7 7840U and Ryzen 9 PRO 8945HS are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 7840U and Ryzen 9 PRO 8945HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5-5600 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon 780M | AMD Radeon 780M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 7840U and Ryzen 9 PRO 8945HS.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 20 | 20 |
Pros & cons summary
| Power consumption (TDP) | 28 Watt | 45 Watt |
We couldn't decide between Ryzen 7 7840U and Ryzen 9 PRO 8945HS. We've got no test results to judge.
Be aware that Ryzen 7 7840U is a notebook processor while Ryzen 9 PRO 8945HS is a server/workstation one.
Should you still have questions on choice between Ryzen 7 7840U and Ryzen 9 PRO 8945HS, ask them in Comments section, and we shall answer.
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