Pentium 4 HT 661 vs Pentium 4 660

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Primary details

Comparing Pentium 4 660 and Pentium 4 HT 661 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesPentium 4no data
Architecture codenamePrescott 2MCedar Mill (2006)
Release dateno data (2024 years ago)5 January 2006 (18 years ago)
Launch price (MSRP)no data$401

Detailed specifications

Pentium 4 660 and Pentium 4 HT 661 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 cores1 (Single-Core)1 (Single-Core)
Threads12
Base clock speed3.6 GHz3.6 GHz
Boost clock speed3.6 GHz3.6 GHz
Bus rate800 MHzno data
L1 cacheno data28 KB
L2 cacheno data2 MB
L3 cache2 MB L2 Cache0 KB
Chip lithography90 nm65 nm
Die sizeno data81 mm2
Maximum core temperature71 °Cno data
Maximum case temperature (TCase)no data69 °C
Number of transistorsno data188 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.2V-1.4Vno data

Compatibility

Information on Pentium 4 660 and Pentium 4 HT 661 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 configurationno data1
SocketPLGA775,PPGA775775
Power consumption (TDP)115 Watt86 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 4 660 and Pentium 4 HT 661. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Pentium 4 660 and Pentium 4 HT 661 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 Pentium 4 660 and Pentium 4 HT 661 are enumerated here.

VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 4 660 and Pentium 4 HT 661. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Pros & cons summary


Threads 1 2
Chip lithography 90 nm 65 nm
Power consumption (TDP) 115 Watt 86 Watt

Pentium 4 HT 661 has 100% more threads, a 38.5% more advanced lithography process, and 33.7% lower power consumption.

We couldn't decide between Pentium 4 660 and Pentium 4 HT 661. We've got no test results to judge.


Should you still have questions on choice between Pentium 4 660 and Pentium 4 HT 661, ask them in Comments section, and we shall answer.

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Intel Pentium 4 660
Pentium 4 660
Intel Pentium 4 HT 661
Pentium 4 HT 661

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Community ratings

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3.9 14 votes

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Questions & comments

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