Pentium 4 HT 3.40 vs Pentium 4 2.66
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 3496 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Desktop processor |
| Power efficiency | 0.09 | no data |
| Designer | Intel | Intel |
| Architecture codename | Northwood (2002−2004) | Northwood (2002−2004) |
| Release date | August 2002 (22 years ago) | February 2004 (21 year ago) |
Detailed specifications
Pentium 4 2.66 and Pentium 4 HT 3.40 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 | 2 |
| Boost clock speed | 2.66 GHz | 3.4 GHz |
| L1 cache | 8 KB | 8 KB |
| L2 cache | 512 KB | 512 KB |
| L3 cache | 0 KB | 0 KB |
| Chip lithography | 130 nm | 130 nm |
| Die size | 146 mm2 | 131 mm2 |
| Maximum case temperature (TCase) | no data | 68 °C |
| Number of transistors | 55 million | 55 million |
| 64 bit support | - | - |
| Windows 11 compatibility | - | - |
Compatibility
Information on Pentium 4 2.66 and Pentium 4 HT 3.40 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 | 1 |
| Socket | 478 | 478 |
| Power consumption (TDP) | 110 Watt | 89 Watt |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Pentium 4 2.66 and Pentium 4 HT 3.40. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2 | DDR1, DDR2 |
Other comparisons
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