i7-12700 vs Pentium III 866
Primary details
Comparing Pentium III 866 and Core i7-12700 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | not rated | 292 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | no data | 28.20 |
| Architecture codename | Coppermine T (2000) | Alder Lake-S (2022) |
| Release date | 20 March 2000 (24 years ago) | January 2022 (2 years ago) |
| Launch price (MSRP) | no data | $349 |
Detailed specifications
Pentium III 866 and Core i7-12700 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) | 12 (Dodeca-Core) |
| Threads | 1 | 20 |
| Base clock speed | no data | 2.1 GHz |
| Boost clock speed | 0.87 GHz | 4.9 GHz |
| L1 cache | 32 KB | 80 KB (per core) |
| L2 cache | 256 KB | 1.25 MB (per core) |
| L3 cache | 0 KB | 25 MB (shared) |
| Chip lithography | 180 nm | Intel 7 nm |
| Die size | 106 mm2 | 215 mm2 |
| Maximum core temperature | no data | 100 °C |
| Maximum case temperature (TCase) | 80 °C | no data |
| Number of transistors | 28 million | no data |
| 64 bit support | - | + |
| Windows 11 compatibility | - | + |
Compatibility
Information on Pentium III 866 and Core i7-12700 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 | 65 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Pentium III 866 and Core i7-12700. 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 | - | + |
| Enhanced SpeedStep (EIST) | no data | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | + |
| TSX | - | + |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
Security technologies
Pentium III 866 and Core i7-12700 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| 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 i7-12700 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 i7-12700. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5-4800, DDR4-3200 |
| Maximum memory size | no data | 128 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 76.8 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | Intel UHD Graphics 770 |
| Quick Sync Video | - | + |
| Clear Video HD | no data | + |
| Graphics max frequency | no data | 1.5 GHz |
| Execution Units | no data | 32 |
Graphics interfaces
Available interfaces and connections of Pentium III 866 and Core i7-12700 integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Pentium III 866 and Core i7-12700 integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2160 @ 60Hz |
| Max resolution over eDP | no data | 5120 x 3200 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Pentium III 866 and Core i7-12700 integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Pentium III 866 and Core i7-12700.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 20 |
Pros & cons summary
| Physical cores | 1 | 12 |
| Threads | 1 | 20 |
| Power consumption (TDP) | 27 Watt | 65 Watt |
Pentium III 866 has 140.7% lower power consumption.
i7-12700, on the other hand, has 1100% more physical cores and 1900% more threads.
We couldn't decide between Pentium III 866 and Core i7-12700. We've got no test results to judge.
Should you still have questions on choice between Pentium III 866 and Core i7-12700, ask them in Comments section, and we shall answer.
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