Ryzen 9 7945HX3D vs Ryzen 7 5800G
Primary details
Comparing Ryzen 7 5800G and Ryzen 9 7945HX3D processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 79 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | AMD Dragon Range (Zen 4, Ryzen 7045) |
| Architecture codename | Cezanne (2021−2022) | Dragon Range-HX (Zen 4) |
| Release date | no data | 28 July 2023 (less than a year ago) |
Detailed specifications
Ryzen 7 5800G and Ryzen 9 7945HX3D 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) | 16 (Hexadeca-Core) |
| Threads | 16 | 32 |
| Base clock speed | 3.8 GHz | 2.3 GHz |
| Boost clock speed | 4.8 GHz | 5.4 GHz |
| L1 cache | 64K (per core) | 1 MB |
| L2 cache | 512K (per core) | 16 MB |
| L3 cache | 16 MB | 128 MB |
| Chip lithography | 7 nm | 5 nm |
| Die size | 180 mm2 | 2x 71 mm2 |
| Maximum core temperature | no data | 89 °C |
| Maximum case temperature (TCase) | 95 °C | no data |
| Number of transistors | 10,700 million | 17,840 million |
| 64 bit support | + | + |
| Unlocked multiplier | Yes | Yes |
Compatibility
Information on Ryzen 7 5800G and Ryzen 9 7945HX3D 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 | AM4 | FL1 |
| Power consumption (TDP) | 65 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 7 5800G and Ryzen 9 7945HX3D. 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 5800G and Ryzen 9 7945HX3D are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 7 5800G and Ryzen 9 7945HX3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4-3200 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon RX Vega 8 (Ryzen 2000/3000) | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Ryzen 7 5800G and Ryzen 9 7945HX3D.
| PCIe version | 3.0 | 5.0 |
Pros & cons summary
| Integrated graphics card | 4.50 | 2.86 |
| Physical cores | 8 | 16 |
| Threads | 16 | 32 |
| Chip lithography | 7 nm | 5 nm |
| Power consumption (TDP) | 65 Watt | 55 Watt |
We couldn't decide between Ryzen 7 5800G and Ryzen 9 7945HX3D. We've got no test results to judge.
Note that Ryzen 7 5800G is a desktop processor while Ryzen 9 7945HX3D is a notebook one.
Should you still have questions on choice between Ryzen 7 5800G and Ryzen 9 7945HX3D, ask them in Comments section, and we shall answer.
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