Pentium 4 506 vs Core 2 Quad Q9550

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Primary details

Comparing Core 2 Quad Q9550 and Pentium 4 506 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking2051not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.80no data
Market segmentDesktop processorDesktop processor
SeriesCore 2 Quad (Desktop)no data
Architecture codenameYorkfield (2007−2009)Prescott (2001−2005)
Release dateno dataJune 2005 (19 years ago)
Current price$54 $32

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad Q9550 and Pentium 4 506 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 cores4 (Quad-Core)1 (Single-Core)
Threads41
Base clock speedno data2.66 GHz
Boost clock speed2.83 GHz2.66 GHz
Bus support1333 MHzno data
L1 cacheno data16 KB
L2 cache12288 KB1 MB
L3 cacheno data0 KB
Chip lithography45 nm90 nm
Die sizeno data109 mm2
Maximum core temperatureno data68 °C
Number of transistorsno data125 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo
VID voltage rangeno data1.25V-1.4V

Compatibility

Information on Core 2 Quad Q9550 and Pentium 4 506 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
SocketLGA775PLGA775
Power consumption (TDP)95 Watt84 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9550 and Pentium 4 506. You'll probably need this information if you require some particular technology.

Turbo Boost Technologyno data-
Statusno dataDiscontinued

Security technologies

Core 2 Quad Q9550 and Pentium 4 506 technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9550 and Pentium 4 506 are enumerated here.

VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9550 and Pentium 4 506. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1,DDR2,DDR3DDR1, DDR2, DDR3

Pros & cons summary


Physical cores 4 1
Threads 4 1
Chip lithography 45 nm 90 nm
Power consumption (TDP) 95 Watt 84 Watt

We couldn't decide between Core 2 Quad Q9550 and Pentium 4 506. We've got no test results to judge.


Should you still have questions on choice between Core 2 Quad Q9550 and Pentium 4 506, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9550
Core 2 Quad Q9550
Intel Pentium 4 506
Pentium 4 506

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.1 1831 vote

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2.5 14 votes

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Questions & comments

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