EPYC 9275F vs Pentium III 866
Primary details
Comparing Pentium III 866 and EPYC 9275F 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) | Turin (2024) |
| Release date | 20 March 2000 (24 years ago) | 10 October 2024 (less than a year ago) |
| Launch price (MSRP) | no data | $3,439 |
Detailed specifications
Pentium III 866 and EPYC 9275F 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) | 24 (Tetracosa-Core) |
| Threads | 1 | 48 |
| Base clock speed | no data | 4.1 GHz |
| Boost clock speed | 0.87 GHz | 4.8 GHz |
| L1 cache | 32 KB | 80 KB (per core) |
| L2 cache | 256 KB | 1 MB (per core) |
| L3 cache | 0 KB | 256 MB (shared) |
| Chip lithography | 180 nm | 4 nm |
| Die size | 106 mm2 | 8x 70.6 mm2 |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 28 million | 66,520 million |
| 64 bit support | - | + |
| Windows 11 compatibility | - | no data |
Compatibility
Information on Pentium III 866 and EPYC 9275F 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 | 2 |
| Socket | 370 | SP5 |
| Power consumption (TDP) | 27 Watt | 320 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 866 and EPYC 9275F. You'll probably need this information if you require some particular technology.
| AES-NI | - | + |
| AVX | - | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium III 866 and EPYC 9275F are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium III 866 and EPYC 9275F. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | N/A |
Peripherals
Specifications and connection of peripherals supported by Pentium III 866 and EPYC 9275F.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 128 |
Pros & cons summary
| Recency | 20 March 2000 | 10 October 2024 |
| Physical cores | 1 | 24 |
| Threads | 1 | 48 |
| Chip lithography | 180 nm | 4 nm |
| Power consumption (TDP) | 27 Watt | 320 Watt |
Pentium III 866 has 1085.2% lower power consumption.
EPYC 9275F, on the other hand, has an age advantage of 24 years, 2300% more physical cores and 4700% more threads, and a 4400% more advanced lithography process.
We couldn't decide between Pentium III 866 and EPYC 9275F. We've got no test results to judge.
Note that Pentium III 866 is a desktop processor while EPYC 9275F is a server/workstation one.
Should you still have questions on choice between Pentium III 866 and EPYC 9275F, ask them in Comments section, and we shall answer.
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