Pentium III 1000 vs Core 2 Quad Q9400

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Primary details

Comparing Core 2 Quad Q9400 and Pentium III 1000 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2241not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.34no data
Architecture codenameYorkfield (2007−2009)Coppermine (1999−2001)
Release dateAugust 2008 (16 years ago)8 March 2000 (24 years ago)
Launch price (MSRP)no data$990

Detailed specifications

Core 2 Quad Q9400 and Pentium III 1000 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 speed2.66 GHzno data
Boost clock speed2.67 GHz1 GHz
Bus rate1333 MHzno data
L1 cache64K (per core)32 KB
L2 cache6 MB (shared)256 KB
L3 cache0 KB0 KB
Chip lithography45 nm180 nm
Die size2x 81 mm2106 mm2
Maximum case temperature (TCase)71 °C70 °C
Number of transistors456 million28 million
64 bit support+-
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9400 and Pentium III 1000 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 configuration12
SocketLGA775370
Power consumption (TDP)95 Watt33 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Pentium III 1000. 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
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q9400 and Pentium III 1000 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 Quad Q9400 and Pentium III 1000 are enumerated here.

VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Pentium III 1000. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Pros & cons summary


Physical cores 4 1
Threads 4 1
Chip lithography 45 nm 180 nm
Power consumption (TDP) 95 Watt 33 Watt

Core 2 Quad Q9400 has 300% more physical cores and 300% more threads, and a 300% more advanced lithography process.

Pentium III 1000, on the other hand, has 187.9% lower power consumption.

We couldn't decide between Core 2 Quad Q9400 and Pentium III 1000. We've got no test results to judge.


Should you still have questions on choice between Core 2 Quad Q9400 and Pentium III 1000, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9400
Core 2 Quad Q9400
Intel Pentium III 1000
Pentium III 1000

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Community ratings

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4.3 1551 vote

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3.4 11 votes

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