i9-13900KF vs Pentium III 866
Primary details
Comparing Pentium III 866 and Core i9-13900KF processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 93 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 64.62 |
| Market segment | Desktop processor | Desktop processor |
| Series | no data | Intel Core i9 |
| Power efficiency | no data | 13.71 |
| Architecture codename | Coppermine T (2000) | Raptor Lake, Raptor Cove, Gracemont (2022) |
| Release date | 20 March 2000 (24 years ago) | 27 September 2022 (2 years ago) |
| Launch price (MSRP) | no data | $564 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Pentium III 866 and Core i9-13900KF 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) |
| Performance-cores | no data | 8 |
| Efficient-cores | no data | 16 |
| Threads | 1 | 32 |
| Base clock speed | no data | 3 GHz |
| Boost clock speed | 0.87 GHz | 5.7 GHz |
| Bus rate | no data | 4 × 16 GT/s |
| Multiplier | no data | 30 |
| L1 cache | 32 KB | 80K (per core) |
| L2 cache | 256 KB | 2 MB (per core) |
| L3 cache | 0 KB | 36 MB (shared) |
| Chip lithography | 180 nm | Intel 7 nm |
| Die size | 106 mm2 | 257 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 80 °C | 72 °C |
| Number of transistors | 28 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Pentium III 866 and Core i9-13900KF 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 | 1 |
| Socket | 370 | FCLGA1700 |
| Power consumption (TDP) | 27 Watt | 125 W, 253 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 866 and Core i9-13900KF. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| 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 | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Pentium III 866 and Core i9-13900KF technologies aimed at improving security, for example, by protecting against hacks.
| EDB | no data | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Pentium III 866 and Core i9-13900KF 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 Core i9-13900KF. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-5600, DDR4-3200 |
| Maximum memory size | no data | 192 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 89.604 GB/s |
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 Core i9-13900KF.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Recency | 20 March 2000 | 27 September 2022 |
| Physical cores | 1 | 24 |
| Threads | 1 | 32 |
| Power consumption (TDP) | 27 Watt | 125 Watt |
Pentium III 866 has 363% lower power consumption.
i9-13900KF, on the other hand, has an age advantage of 22 years, and 2300% more physical cores and 3100% more threads.
We couldn't decide between Pentium III 866 and Core i9-13900KF. We've got no test results to judge.
Should you still have questions on choice between Pentium III 866 and Core i9-13900KF, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
