Xeon Silver 4509Y vs Athlon X4 940
Primary details
Comparing Athlon X4 940 and Xeon Silver 4509Y processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Server |
| Architecture codename | Bristol Ridge (2016−2019) | Sapphire Rapids (2023−2024) |
| Release date | 27 July 2017 (7 years ago) | 14 December 2023 (less than a year ago) |
| Launch price (MSRP) | no data | $563 |
Detailed specifications
Athlon X4 940 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 | 4 (Quad-Core) | 8 (Octa-Core) |
| Threads | 4 | 16 |
| Base clock speed | 3.2 GHz | 2.6 GHz |
| Boost clock speed | 3.6 GHz | 4.1 GHz |
| L1 cache | 128 KB (per core) | 80 KB (per core) |
| L2 cache | 512 KB (per core) | 2 MB (per core) |
| L3 cache | 0 KB | 22.5 MB (shared) |
| Chip lithography | 28 nm | Intel 7 nm |
| Die size | 246 mm2 | no data |
| Maximum case temperature (TCase) | 74 °C | 84 °C |
| Number of transistors | 1,178 million | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
Compatibility
Information on Athlon X4 940 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 | AM4 | FCLGA4677 |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Athlon X4 940 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 | + | + |
| FMA | + | - |
| 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 | - | + |
| Deep Learning Boost | - | + |
Security technologies
Athlon X4 940 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 Athlon X4 940 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 Athlon X4 940 and Xeon Silver 4509Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Dual-channel | 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 | no data | N/A |
Peripherals
Specifications and connection of peripherals supported by Athlon X4 940 and Xeon Silver 4509Y.
| PCIe version | no data | 5 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Recency | 27 July 2017 | 14 December 2023 |
| Physical cores | 4 | 8 |
| Threads | 4 | 16 |
| Power consumption (TDP) | 65 Watt | 125 Watt |
Athlon X4 940 has 92.3% lower power consumption.
Xeon Silver 4509Y, on the other hand, has an age advantage of 6 years, and 100% more physical cores and 300% more threads.
We couldn't decide between Athlon X4 940 and Xeon Silver 4509Y. We've got no test results to judge.
Note that Athlon X4 940 is a desktop processor while Xeon Silver 4509Y is a server/workstation one.
Should you still have questions on choice between Athlon X4 940 and Xeon Silver 4509Y, ask them in Comments section, and we shall answer.
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