Pentium III 1400 vs Pentium 4 P4 3.0
Aggregate performance score
Pentium 4 P4 3.0 outperforms Pentium III 1400 by an impressive 75% based on our aggregate benchmark results.
Primary details
Comparing Pentium 4 P4 3.0 and Pentium III 1400 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3225 | 3362 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Series | Pentium 4 | no data |
| Power efficiency | 0.22 | 0.37 |
| Architecture codename | Northwood (2002−2004) | Tualatin (2000−2002) |
| Release date | no data | December 2001 (23 years ago) |
Detailed specifications
Pentium 4 P4 3.0 and Pentium III 1400 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 | 3 GHz | 1.4 GHz |
| Bus rate | 400 MHz | no data |
| L1 cache | no data | 8 KB |
| L2 cache | no data | 256 KB |
| L3 cache | no data | 0 KB |
| Chip lithography | 130 nm | 130 nm |
| Die size | no data | 80 mm2 |
| Maximum case temperature (TCase) | no data | 69 °C |
| Number of transistors | no data | 44 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium 4 P4 3.0 and Pentium III 1400 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 | no data | 370 |
| Power consumption (TDP) | 89 Watt | 31 Watt |
Pros & cons summary
| Performance score | 0.21 | 0.12 |
| Power consumption (TDP) | 89 Watt | 31 Watt |
Pentium 4 P4 3.0 has a 75% higher aggregate performance score.
Pentium III 1400, on the other hand, has 187.1% lower power consumption.
The Pentium 4 P4 3.0 is our recommended choice as it beats the Pentium III 1400 in performance tests.
Should you still have questions on choice between Pentium 4 P4 3.0 and Pentium III 1400, ask them in Comments section, and we shall answer.
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