Ryzen 9 7945HX3D vs Athlon 64 LE-1640B
Primary details
Comparing Athlon 64 LE-1640B and Ryzen 9 7945HX3D processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 97 |
| 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) |
| Power efficiency | no data | 62.74 |
| Architecture codename | Lima (2008−2009) | Dragon Range-HX (Zen 4) (2023−2024) |
| Release date | April 2008 (16 years ago) | 27 July 2023 (1 year ago) |
Detailed specifications
Athlon 64 LE-1640B 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 | 1 (Single-Core) | 16 (Hexadeca-Core) |
| Threads | 1 | 32 |
| Base clock speed | no data | 2.3 GHz |
| Boost clock speed | 2.7 GHz | 5.4 GHz |
| L1 cache | 128K | 64 KB (per core) |
| L2 cache | 512K | 1 MB (per core) |
| L3 cache | no data | 128 MB (shared) |
| Chip lithography | 65 nm | 5 nm |
| Die size | 77 mm2 | 2x 71 mm2 |
| Maximum core temperature | no data | 89 °C |
| Maximum case temperature (TCase) | 65 °C | no data |
| Number of transistors | 122 million | 17,840 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Athlon 64 LE-1640B 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 | AM2 | FL1 |
| Power consumption (TDP) | 45 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon 64 LE-1640B and Ryzen 9 7945HX3D. 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 Athlon 64 LE-1640B and Ryzen 9 7945HX3D are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon 64 LE-1640B and Ryzen 9 7945HX3D. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR2 | DDR5-5200 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Athlon 64 LE-1640B and Ryzen 9 7945HX3D.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
Pros & cons summary
| Physical cores | 1 | 16 |
| Threads | 1 | 32 |
| Chip lithography | 65 nm | 5 nm |
| Power consumption (TDP) | 45 Watt | 55 Watt |
Athlon 64 LE-1640B has 22.2% lower power consumption.
Ryzen 9 7945HX3D, on the other hand, has 1500% more physical cores and 3100% more threads, and a 1200% more advanced lithography process.
We couldn't decide between Athlon 64 LE-1640B and Ryzen 9 7945HX3D. We've got no test results to judge.
Note that Athlon 64 LE-1640B is a desktop processor while Ryzen 9 7945HX3D is a notebook one.
Should you still have questions on choice between Athlon 64 LE-1640B and Ryzen 9 7945HX3D, ask them in Comments section, and we shall answer.
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