Xeon Silver 4509Y vs Ryzen 9 PRO 7945
Primary details
Comparing Ryzen 9 PRO 7945 and Xeon Silver 4509Y processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 139 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Server | Server |
| Power efficiency | 43.83 | no data |
| Architecture codename | Raphael (2023−2024) | Sapphire Rapids (2023−2024) |
| Release date | 13 June 2023 (1 year ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $563 |
Detailed specifications
Ryzen 9 PRO 7945 and Xeon Silver 4509Y 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 | 12 (Dodeca-Core) | 8 (Octa-Core) |
| Threads | 24 | 16 |
| Base clock speed | 3.7 GHz | 2.6 GHz |
| Boost clock speed | 5.4 GHz | 4.1 GHz |
| L1 cache | 64 KB (per core) | 80 KB (per core) |
| L2 cache | 1 MB (per core) | 2 MB (per core) |
| L3 cache | 64 MB (shared) | 22.5 MB (shared) |
| Chip lithography | 5 nm | Intel 7 nm |
| Die size | 2x 71 mm2 | no data |
| Maximum case temperature (TCase) | 47 °C | 84 °C |
| Number of transistors | 13,140 million | no data |
| 64 bit support | + | + |
Compatibility
Information on Ryzen 9 PRO 7945 and Xeon Silver 4509Y 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 | 2 |
| Socket | AM5 | FCLGA4677 |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 7945 and Xeon Silver 4509Y. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512 |
| AES-NI | + | + |
| AVX | + | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Precision Boost 2 | + | no data |
| Deep Learning Boost | - | + |
Security technologies
Ryzen 9 PRO 7945 and Xeon Silver 4509Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 PRO 7945 and Xeon Silver 4509Y are enumerated here.
| AMD-V | + | - |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 7945 and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR5 @ 4400 MT/s (1 DPC &2DPC) |
| Maximum memory size | no data | 4 TB |
| Max memory channels | no data | 8 |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | N/A |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 7945 and Xeon Silver 4509Y.
| PCIe version | 5.0 | 5 |
| PCI Express lanes | 24 | 80 |
Pros & cons summary
| Recency | 13 June 2023 | 14 December 2023 |
| Physical cores | 12 | 8 |
| Threads | 24 | 16 |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Ryzen 9 PRO 7945 has 50% more physical cores and 50% more threads, and 92.3% lower power consumption.
Xeon Silver 4509Y, on the other hand, has an age advantage of 6 months.
We couldn't decide between Ryzen 9 PRO 7945 and Xeon Silver 4509Y. We've got no test results to judge.
Should you still have questions on choice between Ryzen 9 PRO 7945 and Xeon Silver 4509Y, ask them in Comments section, and we shall answer.
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