Ryzen 5 7545U vs Ryzen 9 7940H
Primary details
Comparing Ryzen 9 7940H and Ryzen 5 7545U processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 335 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Power efficiency | 48.78 | no data |
| Architecture codename | Phoenix (2023−2024) | Phoenix (Zen4) (2023) |
| Release date | January 2023 (1 year ago) | 2 November 2023 (1 year ago) |
Detailed specifications
Ryzen 9 7940H and Ryzen 5 7545U 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 | 3.2 GHz |
| Boost clock speed | 5.2 GHz | 4.9 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 | 137 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 25,000 million | 20,900 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Ryzen 9 7940H and Ryzen 5 7545U 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) | 35 Watt | 28 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 7940H and Ryzen 5 7545U. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | + | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 7940H and Ryzen 5 7545U are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7940H and Ryzen 5 7545U. 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 Compare | AMD Radeon 780M | AMD Radeon 740M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 7940H and Ryzen 5 7545U.
| PCIe version | 4.0 | 4.0 |
| PCI Express lanes | 20 | 14 |
Pros & cons summary
| Integrated graphics card | 18.33 | 8.34 |
| Physical cores | 8 | 6 |
| Threads | 16 | 12 |
| Power consumption (TDP) | 35 Watt | 28 Watt |
Ryzen 9 7940H has 119.8% faster integrated GPU, and 33.3% more physical cores and 33.3% more threads.
Ryzen 5 7545U, on the other hand, has 25% lower power consumption.
We couldn't decide between Ryzen 9 7940H and Ryzen 5 7545U. We've got no test results to judge.
Should you still have questions on choice between Ryzen 9 7940H and Ryzen 5 7545U, ask them in Comments section, and we shall answer.
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