Ryzen 5 PRO 8645HS vs Athlon PRO 300U
Primary details
Comparing Athlon PRO 300U and Ryzen 5 PRO 8645HS processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1729 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Athlon | no data |
| Power efficiency | 16.21 | no data |
| Architecture codename | Raven Ridge 2 (2019) | Hawk Point (2024) |
| Release date | 8 April 2019 (5 years ago) | 16 April 2024 (less than a year ago) |
Detailed specifications
Athlon PRO 300U and Ryzen 5 PRO 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 | 2 (Dual-core) | 6 (Hexa-Core) |
| Threads | 4 | 12 |
| Base clock speed | 2.4 GHz | 4.3 GHz |
| Boost clock speed | 3.3 GHz | 5 GHz |
| Bus type | PCIe 3.0 | no data |
| Multiplier | 24 | no data |
| L1 cache | 128K (per core) | 64 KB (per core) |
| L2 cache | 512K (per core) | 1 MB (per core) |
| L3 cache | 4 MB (shared) | 16 MB (shared) |
| Chip lithography | 14 nm | 4 nm |
| Die size | 209.78 mm2 | 178 mm2 |
| Number of transistors | 4940 Million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Athlon PRO 300U and Ryzen 5 PRO 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 | 1 (Uniprocessor) | 1 |
| Socket | FP5 | FP7 |
| Power consumption (TDP) | 15 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon PRO 300U and Ryzen 5 PRO 8645HS. You'll probably need this information if you require some particular technology.
| Instruction set extensions | XFR, FMA3, SSE 4.2, AVX2, SMT | no data |
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Athlon PRO 300U and Ryzen 5 PRO 8645HS are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Athlon PRO 300U and Ryzen 5 PRO 8645HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | DDR5 |
| Maximum memory size | 32 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 38.397 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon RX Vega 3 | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by Athlon PRO 300U and Ryzen 5 PRO 8645HS.
| PCIe version | 3.0 | 4.0 |
| PCI Express lanes | 12 | 20 |
Pros & cons summary
| Integrated graphics card | 2.98 | 14.90 |
| Recency | 8 April 2019 | 16 April 2024 |
| Physical cores | 2 | 6 |
| Threads | 4 | 12 |
| Chip lithography | 14 nm | 4 nm |
| Power consumption (TDP) | 15 Watt | 45 Watt |
Athlon PRO 300U has 200% lower power consumption.
Ryzen 5 PRO 8645HS, on the other hand, has 400% faster integrated GPU, an age advantage of 5 years, 200% more physical cores and 200% more threads, and a 250% more advanced lithography process.
We couldn't decide between Athlon PRO 300U and Ryzen 5 PRO 8645HS. We've got no test results to judge.
Be aware that Athlon PRO 300U is a notebook processor while Ryzen 5 PRO 8645HS is a server/workstation one.
Should you still have questions on choice between Athlon PRO 300U and Ryzen 5 PRO 8645HS, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
