Pentium 4 HT 661: specs and benchmarks
Summary
Intel started Pentium 4 HT 661 sales 5 January 2006 at a recommended price of $401. Based on a Cedar Mill architecture, this desktop processor is primarily aimed at home systems. It has 1 core and 2 threads, and is based on 65 nm manufacturing technology, with a maximum frequency of 3.6 and a locked multiplier.
Compatibility-wise, this is Intel Socket 775 processor with a TDP of 86 Watt and a maximum temperature of 69 °C. It supports DDR1, DDR2, DDR3 memory.
Primary details
Pentium 4 HT 661 processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Market segment | Desktop processor | |
| Architecture codename | Cedar Mill (2006) | |
| Release date | 5 January 2006 (18 years ago) | |
| Launch price (MSRP) | $401 | of 17,906 (Xeon Platinum 8280L) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 1 (Single-Core) | |
| Threads | 2 | |
| Base clock speed | 3.6 GHz | of 4.7 GHz (Ryzen 9 7900X) |
| Boost clock speed | 3.6 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 28 KB | of 80 KB (EPYC 9965) |
| L2 cache | 2 MB | of 2 MB (Xeon 6980P) |
| L3 cache | 0 KB | of 1152 MB (EPYC 9684X) |
| Chip lithography | 65 nm | of 3 nm (Core Ultra 9 285K) |
| Die size | 81 mm2 | |
| Maximum case temperature (TCase) | 69 °C | of 105 °C (Core i7-5950HQ) |
| Number of transistors | 188 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Windows 11 compatibility | - |
Compatibility
Information on Pentium 4 HT 661 compatibility with other computer components and devices: 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 | of 8 (Xeon Platinum 8454H) |
| Socket | 775 | |
| Power consumption (TDP) | 86 Watt | of 3100 ‑ 4500 (Ryzen 7 7435H) |
Technologies and extensions
Technological capabilities and additional instructions supported by Pentium 4 HT 661. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Pentium 4 HT 661's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR1, DDR2, DDR3 |
Benchmark performance
Single-core and multi-core benchmark results of Pentium 4 HT 661. Overall benchmark performance is measured in points in 0-100 range, higher is better.
We have no data on Pentium 4 HT 661 benchmark results.
Send your test results of Pentium 4 HT 661.
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Pentium 4 HT 661, according to our PC configuration statistics.
These are the fastest graphics cards for Pentium 4 HT 661 in our user configuration statistics. There is a total of 11 configurations using Pentium 4 HT 661 in our database.
