Core i5-750s vs Core 2 Quad Q9400

Primary details

Comparing Core 2 Quad Q9400 and Core i5-750s processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2256not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.34no data
Architecture codenameYorkfield (2007−2009)Lynnfield (2009−2010)
Release dateAugust 2008 (16 years ago)7 January 2010 (14 years ago)

Detailed specifications

Core 2 Quad Q9400 and Core i5-750s 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)4 (Quad-Core)
Threads44
Base clock speed2.66 GHz2.4 GHz
Boost clock speed2.67 GHz3.2 GHz
Bus rate1333 MHz2.5 GT/s
L1 cache64K (per core)64 KB (per core)
L2 cache6 MB (shared)256 KB (per core)
L3 cache0 KB8 MB (shared)
Chip lithography45 nm45 nm
Die size2x 81 mm2296 mm2
Maximum core temperatureno data77 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million774 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9400 and Core i5-750s 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 configuration11
SocketLGA775FCLGA1156,LGA1156
Power consumption (TDP)95 Watt82 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and Core i5-750s. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.2
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-1.0
Hyper-Threading Technology--
Idle States++
Thermal Monitoring+-
Demand Based Switching--
PAEno data36 Bit
FSB parity-no data

Security technologies

Core 2 Quad Q9400 and Core i5-750s technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9400 and Core i5-750s are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and Core i5-750s. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data21 GB/s

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and Core i5-750s.

PCIe versionno data2.0
PCI Express lanesno data16

Pros & cons summary


Power consumption (TDP) 95 Watt 82 Watt

i5-750s has 15.9% lower power consumption.

We couldn't decide between Core 2 Quad Q9400 and Core i5-750s. We've got no test results to judge.


Should you still have questions on choice between Core 2 Quad Q9400 and Core i5-750s, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9400
Core 2 Quad Q9400
Intel Core i5-750s
Core i5-750s

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Community ratings

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4.3 1573 votes

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2.5 15 votes

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