Pentium III 800 vs Celeron 540
Primary details
Comparing Celeron 540 and Pentium III 800 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 | Laptop | Desktop processor |
| Architecture codename | no data | Coppermine T (2000) |
| Release date | 1 July 2007 (17 years ago) | no data |
Detailed specifications
Celeron 540 and Pentium III 800 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 | no data | 1 (Single-Core) |
| Base clock speed | 1.86 GHz | no data |
| Boost clock speed | no data | 0.8 GHz |
| L1 cache | no data | 8 KB |
| L2 cache | no data | 256 KB |
| L3 cache | 1 MB L2 Cache | 0 KB |
| Chip lithography | 65 nm | 180 nm |
| Die size | no data | 80 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | no data | 44 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | - |
| VID voltage range | 0.95V-1.3V | no data |
Compatibility
Information on Celeron 540 and Pentium III 800 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 | 1 |
| Socket | PPGA478 | 370 |
| Power consumption (TDP) | 30 Watt | 38 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Celeron 540 and Pentium III 800. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | - | no data |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | - | no data |
| Demand Based Switching | - | no data |
| FSB parity | - | no data |
| Status | Discontinued | no data |
Security technologies
Celeron 540 and Pentium III 800 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | no data |
| EDB | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Celeron 540 and Pentium III 800 are enumerated here.
| VT-x | - | no data |
Pros & cons summary
| Chip lithography | 65 nm | 180 nm |
| Power consumption (TDP) | 30 Watt | 38 Watt |
Celeron 540 has a 176.9% more advanced lithography process, and 26.7% lower power consumption.
We couldn't decide between Celeron 540 and Pentium III 800. We've got no test results to judge.
Be aware that Celeron 540 is a notebook processor while Pentium III 800 is a desktop one.
Should you still have questions on choice between Celeron 540 and Pentium III 800, ask them in Comments section, and we shall answer.
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