Xeon Gold 5515 vs Pentium III 866
Primary details
Comparing Pentium III 866 and Xeon Gold 5515 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 | Coppermine T (2000) | no data |
| Release date | 20 March 2000 (24 years ago) | 1 October 2023 (1 year ago) |
Detailed specifications
Pentium III 866 and Xeon Gold 5515 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 | 1 (Single-Core) | 8 (Octa-Core) |
| Threads | 1 | 16 |
| Base clock speed | no data | 3.2 GHz |
| Boost clock speed | 0.87 GHz | 4.1 GHz |
| L1 cache | 32 KB | no data |
| L2 cache | 256 KB | no data |
| L3 cache | 0 KB | 22.5 MB |
| Chip lithography | 180 nm | Intel 7 nm |
| Die size | 106 mm2 | no data |
| Maximum core temperature | no data | 76 °C |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 28 million | no data |
| 64 bit support | - | - |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Pentium III 866 and Xeon Gold 5515 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 | 2 | no data |
| Socket | 370 | FCLGA4677 |
| Power consumption (TDP) | 27 Watt | 165 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 866 and Xeon Gold 5515. 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 | - | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Deep Learning Boost | - | + |
Security technologies
Pentium III 866 and Xeon Gold 5515 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 Pentium III 866 and Xeon Gold 5515 are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium III 866 and Xeon Gold 5515. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-4800, 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 III 866 and Xeon Gold 5515.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 80 |
Pros & cons summary
| Recency | 20 March 2000 | 1 October 2023 |
| Physical cores | 1 | 8 |
| Threads | 1 | 16 |
| Power consumption (TDP) | 27 Watt | 165 Watt |
Pentium III 866 has 511.1% lower power consumption.
Xeon Gold 5515, on the other hand, has an age advantage of 23 years, and 700% more physical cores and 1500% more threads.
We couldn't decide between Pentium III 866 and Xeon Gold 5515. We've got no test results to judge.
Note that Pentium III 866 is a desktop processor while Xeon Gold 5515 is a server/workstation one.
Should you still have questions on choice between Pentium III 866 and Xeon Gold 5515, ask them in Comments section, and we shall answer.
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