VIA C3-M C3-M-1200 vs Pentium III 1266S
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3527 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | no data | C3-M |
| Power efficiency | 0.64 | no data |
| Designer | Intel | VIA |
| Architecture codename | Tualatin (2000−2002) | Nehemiah |
| Release date | July 2001 (24 years ago) | no data |
Detailed specifications
Pentium III 1266S and VIA C3-M C3-M-1200 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) | 1 (Single-Core) |
| Threads | 1 | 1 |
| Boost clock speed | 1.27 GHz | 1.2 GHz |
| Bus rate | no data | 200 MHz |
| L1 cache | 8 KB | no data |
| L2 cache | 512 KB | no data |
| L3 cache | 0 KB | no data |
| Chip lithography | 130 nm | 130 nm |
| Die size | 80 mm2 | no data |
| Maximum case temperature (TCase) | 69 °C | no data |
| Number of transistors | 44 million | no data |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium III 1266S and VIA C3-M C3-M-1200 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 | 1 | no data |
| Socket | 370 | no data |
| Power consumption (TDP) | 30 Watt | 64 KB |
Pros & cons summary
| Power consumption (TDP) | 30 Watt | 64 Watt |
Pentium III 1266S has 113.3% lower power consumption.
We couldn't decide between Intel Pentium III 1266S and VIA C3-M C3-M-1200. We've got no test results to judge.
Note that Pentium III 1266S is a desktop processor while VIA C3-M C3-M-1200 is a notebook one.
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