Pentium 4 HT Extreme Edition 3.46 vs Core 2 Duo P8400
Primary details
Comparing Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2837 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Intel Core 2 Duo | no data |
| Power efficiency | 2.01 | no data |
| Architecture codename | Penryn (2008−2011) | Gallatin (2003−2004) |
| Release date | 15 July 2008 (16 years ago) | 31 October 2004 (20 years ago) |
| Launch price (MSRP) | $209 | $999 |
Detailed specifications
Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46 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 | 2 (Dual-core) | 1 (Single-Core) |
| Threads | 2 | 2 |
| Base clock speed | 2.26 GHz | 3.466 GHz |
| Boost clock speed | 2.26 GHz | 0.47 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 128 KB | 8 KB |
| L2 cache | 3 MB | 512 KB |
| L3 cache | 3 MB L2 Cache | 2 MB |
| Chip lithography | 45 nm | 130 nm |
| Die size | 107 mm2 | 269 mm2 |
| Maximum core temperature | 105 °C | no data |
| Maximum case temperature (TCase) | no data | 66 °C |
| Number of transistors | 410 Million | 178 million |
| 64 bit support | + | - |
| Windows 11 compatibility | - | no data |
| VID voltage range | 1.05V-1.15V | no data |
Compatibility
Information on Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46 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 | BGA479,PBGA479,PGA478 | 775 |
| Power consumption (TDP) | 25 Watt | 110 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46. 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 |
Security technologies
Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46 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 Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46 are enumerated here.
| VT-x | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR1, DDR2, DDR3 Depends on motherboard |
Pros & cons summary
| Recency | 15 July 2008 | 31 October 2004 |
| Physical cores | 2 | 1 |
| Chip lithography | 45 nm | 130 nm |
| Power consumption (TDP) | 25 Watt | 110 Watt |
Core 2 Duo P8400 has an age advantage of 3 years, 100% more physical cores, a 188.9% more advanced lithography process, and 340% lower power consumption.
We couldn't decide between Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46. We've got no test results to judge.
Be aware that Core 2 Duo P8400 is a notebook processor while Pentium 4 HT Extreme Edition 3.46 is a desktop one.
Should you still have questions on choice between Core 2 Duo P8400 and Pentium 4 HT Extreme Edition 3.46, ask them in Comments section, and we shall answer.
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