Core 2 Quad Q9300 vs Core 2 Quad Q9400s

Primary details

Comparing Core 2 Quad Q9400s and Core 2 Quad Q9300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated2310
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiencyno data1.25
Architecture codenameYorkfield (2007−2009)Yorkfield (2007−2009)
Release date18 January 2009 (15 years ago)March 2008 (16 years ago)

Detailed specifications

Core 2 Quad Q9400s and Core 2 Quad Q9300 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 GHz2.5 GHz
Boost clock speed0.67 GHz2.5 GHz
Bus rate1333 MHz1333 MHz
L1 cache64 KB (per core)64K (per core)
L2 cache6 MB (shared)6 MB (shared)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size2x 82 mm22x 81 mm2
Maximum case temperature (TCase)76 °C71 °C
Number of transistors456 million456 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625V0.85V-1.3625V

Compatibility

Information on Core 2 Quad Q9400s and Core 2 Quad Q9300 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
SocketLGA775LGA775
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400s and Core 2 Quad Q9300. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Demand Based Switching--
FSB parity-+

Security technologies

Core 2 Quad Q9400s and Core 2 Quad Q9300 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 Q9400s and Core 2 Quad Q9300 are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400s and Core 2 Quad Q9300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400s and Core 2 Quad Q9300.

PCIe version2.0no data

Pros & cons summary


Power consumption (TDP) 65 Watt 95 Watt

Core 2 Quad Q9400s has 46.2% lower power consumption.

We couldn't decide between Core 2 Quad Q9400s and Core 2 Quad Q9300. We've got no test results to judge.


Should you still have questions on choice between Core 2 Quad Q9400s and Core 2 Quad Q9300, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9400s
Core 2 Quad Q9400s
Intel Core 2 Quad Q9300
Core 2 Quad Q9300

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Community ratings

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