Pentium III 866 vs Core 2 Quad Q6600
Primary details
Comparing Core 2 Quad (Desktop) Q6600 and Pentium III 866 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2375 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Core 2 Quad (Desktop) | no data |
| Power efficiency | 1.04 | no data |
| Architecture codename | Kentsfield (2007) | Coppermine T (2000) |
| Release date | no data (2024 years ago) | 20 March 2000 (24 years ago) |
Detailed specifications
Core 2 Quad (Desktop) Q6600 and Pentium III 866 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 | 4 (Quad-Core) | 1 (Single-Core) |
| Threads | 4 | 1 |
| Boost clock speed | 2.4 GHz | 0.87 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | no data | 32 KB |
| L2 cache | no data | 256 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 65 nm | 180 nm |
| Die size | no data | 106 mm2 |
| Maximum case temperature (TCase) | no data | 80 °C |
| Number of transistors | no data | 28 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Core 2 Quad (Desktop) Q6600 and Pentium III 866 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 | no data | 2 |
| Socket | no data | 370 |
| Power consumption (TDP) | 105 Watt | 27 Watt |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | On certain motherboards (Chipset feature) |
Pros & cons summary
| Physical cores | 4 | 1 |
| Threads | 4 | 1 |
| Chip lithography | 65 nm | 180 nm |
| Power consumption (TDP) | 105 Watt | 27 Watt |
Core 2 Quad Q6600 has 300% more physical cores and 300% more threads, and a 176.9% more advanced lithography process.
Pentium III 866, on the other hand, has 288.9% lower power consumption.
We couldn't decide between Core 2 Quad Q6600 and Pentium III 866. We've got no test results to judge.
Should you still have questions on choice between Core 2 Quad Q6600 and Pentium III 866, ask them in Comments section, and we shall answer.
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