EPYC 9645 vs Pro A8-8600B
Primary details
Comparing Pro A8-8600B and EPYC 9645 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2222 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Server |
| Series | AMD Carrizo | no data |
| Power efficiency | 3.73 | no data |
| Architecture codename | Carrizo (2015−2018) | Turin (2024) |
| Release date | 3 June 2015 (9 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $11,048 |
Detailed specifications
Pro A8-8600B and EPYC 9645 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 | 4 (Quad-Core) | 96 |
| Threads | 4 | 192 |
| Base clock speed | 1.6 GHz | 2.3 GHz |
| Boost clock speed | 3 GHz | 3.7 GHz |
| L1 cache | no data | 80 KB (per core) |
| L2 cache | 2048 KB | 1 MB (per core) |
| L3 cache | no data | 256 MB (shared) |
| Chip lithography | 28 nm | 3 nm |
| Number of transistors | 3100 Million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Pro A8-8600B and EPYC 9645 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 | no data | 2 |
| Socket | FP4 | SP5 |
| Power consumption (TDP) | 12-35 Watt | 320 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pro A8-8600B and EPYC 9645. You'll probably need this information if you require some particular technology.
| Instruction set extensions | HSA 1.0 | no data |
| AES-NI | + | + |
| FMA | FMA4 | - |
| AVX | AVX | + |
| FRTC | + | - |
| FreeSync | + | - |
| TrueAudio | + | - |
| PowerNow | + | - |
| PowerGating | + | - |
| Out-of-band client management | + | - |
| VirusProtect | + | - |
| RAID | + | - |
| HSA | + | - |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pro A8-8600B and EPYC 9645 are enumerated here.
| AMD-V | + | + |
| IOMMU 2.0 | + | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pro A8-8600B and EPYC 9645. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3/DDR3L-2133 | DDR5 |
| Max memory channels | 2 | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R6 Graphics | N/A |
| iGPU core count | 6 | no data |
| Number of pipelines | 384 | no data |
| Enduro | + | - |
| Switchable graphics | + | - |
| UVD | + | - |
| VCE | + | - |
Graphics interfaces
Available interfaces and connections of Pro A8-8600B and EPYC 9645 integrated GPUs.
| DisplayPort | + | - |
| HDMI | + | - |
Graphics API support
APIs supported by Pro A8-8600B and EPYC 9645 integrated GPUs, sometimes API versions are included.
| DirectX | DirectX® 12 | no data |
| Vulkan | + | - |
Peripherals
Specifications and connection of peripherals supported by Pro A8-8600B and EPYC 9645.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 3 June 2015 | 10 October 2024 |
| Physical cores | 4 | 96 |
| Threads | 4 | 192 |
| Chip lithography | 28 nm | 3 nm |
| Power consumption (TDP) | 12 Watt | 320 Watt |
Pro A8-8600B has 2566.7% lower power consumption.
EPYC 9645, on the other hand, has an age advantage of 9 years, 2300% more physical cores and 4700% more threads, and a 833.3% more advanced lithography process.
We couldn't decide between Pro A8-8600B and EPYC 9645. We've got no test results to judge.
Be aware that Pro A8-8600B is a notebook processor while EPYC 9645 is a server/workstation one.
Should you still have questions on choice between Pro A8-8600B and EPYC 9645, 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.
