Xeon Silver 4516Y vs Pentium D 940
Primary details
Comparing Pentium D 940 and Xeon Silver 4516Y 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 | Presler (2005−2007) | no data |
| Release date | 5 January 2006 (18 years ago) | 1 October 2023 (1 year ago) |
| Launch price (MSRP) | $423 | no data |
Detailed specifications
Pentium D 940 and Xeon Silver 4516Y 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) | 24 (Tetracosa-Core) |
| Threads | 2 | 48 |
| Base clock speed | 3.2 GHz | 2.2 GHz |
| Boost clock speed | 3.2 GHz | 3.7 GHz |
| L1 cache | 16 KB (per core) | no data |
| L2 cache | 2 MB (per die) | no data |
| L3 cache | 0 KB | 45 MB |
| Chip lithography | 65 nm | Intel 7 nm |
| Die size | 2x 81 mm2 | no data |
| Maximum core temperature | no data | 81 °C |
| Maximum case temperature (TCase) | 69 °C | no data |
| Number of transistors | 376 million | no data |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.2V-1.3375V | no data |
Compatibility
Information on Pentium D 940 and Xeon Silver 4516Y 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 | no data |
| Socket | LGA775,PLGA775 | FCLGA4677 |
| Power consumption (TDP) | 130 Watt | 185 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium D 940 and Xeon Silver 4516Y. 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 | - | + |
| Enhanced SpeedStep (EIST) | + | no data |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | 2.0 |
| Hyper-Threading Technology | - | + |
| TSX | - | + |
| Idle States | + | no data |
| Demand Based Switching | - | no data |
| PAE | 32 Bit | no data |
| FSB parity | - | no data |
| Deep Learning Boost | - | + |
Security technologies
Pentium D 940 and Xeon Silver 4516Y technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| SGX | no data | Yes with Intel® SPS |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium D 940 and Xeon Silver 4516Y are enumerated here.
| VT-d | - | + |
| VT-x | + | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium D 940 and Xeon Silver 4516Y. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR5-4400 |
| 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 | On certain motherboards (Chipset feature) | no data |
Peripherals
Specifications and connection of peripherals supported by Pentium D 940 and Xeon Silver 4516Y.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Recency | 5 January 2006 | 1 October 2023 |
| Physical cores | 2 | 24 |
| Threads | 2 | 48 |
| Power consumption (TDP) | 130 Watt | 185 Watt |
Pentium D 940 has 42.3% lower power consumption.
Xeon Silver 4516Y, on the other hand, has an age advantage of 17 years, and 1100% more physical cores and 2300% more threads.
We couldn't decide between Pentium D 940 and Xeon Silver 4516Y. We've got no test results to judge.
Note that Pentium D 940 is a desktop processor while Xeon Silver 4516Y is a server/workstation one.
Should you still have questions on choice between Pentium D 940 and Xeon Silver 4516Y, ask them in Comments section, and we shall answer.
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