Core 2 Quad Q9400s vs Core 2 Duo T7500

Primary details

Comparing Core 2 Duo T7500 and Core 2 Quad Q9400s processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2853not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Duono data
Power efficiency1.41no data
Architecture codenameMerom (2006−2008)Yorkfield (2007−2009)
Release date8 May 2007 (17 years ago)18 January 2009 (15 years ago)
Launch price (MSRP)$234no data

Detailed specifications

Core 2 Duo T7500 and Core 2 Quad Q9400s 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 cores2 (Dual-core)4 (Quad-Core)
Threads24
Base clock speed2.2 GHz2.66 GHz
Boost clock speed2.2 GHz0.67 GHz
Bus rate800 MHz1333 MHz
L1 cache128 KB64 KB (per core)
L2 cache4 MB6 MB (shared)
L3 cache0 KB0 KB
Chip lithography65 nm45 nm
Die size143 mm22x 82 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data76 °C
Number of transistors291 Million456 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.075V - 1.25V0.85V-1.3625V

Compatibility

Information on Core 2 Duo T7500 and Core 2 Quad Q9400s 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
SocketPBGA479,PPGA478LGA775
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T7500 and Core 2 Quad Q9400s. 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 Duo T7500 and Core 2 Quad Q9400s technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T7500 and Core 2 Quad Q9400s are enumerated here.

VT-dno data+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T7500 and Core 2 Quad Q9400s. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T7500 and Core 2 Quad Q9400s.

PCIe versionno data2.0

Pros & cons summary


Recency 8 May 2007 18 January 2009
Physical cores 2 4
Threads 2 4
Chip lithography 65 nm 45 nm
Power consumption (TDP) 35 Watt 65 Watt

Core 2 Duo T7500 has 85.7% lower power consumption.

Core 2 Quad Q9400s, on the other hand, has an age advantage of 1 year, 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.

We couldn't decide between Core 2 Duo T7500 and Core 2 Quad Q9400s. We've got no test results to judge.

Be aware that Core 2 Duo T7500 is a notebook processor while Core 2 Quad Q9400s is a desktop one.


Should you still have questions on choice between Core 2 Duo T7500 and Core 2 Quad Q9400s, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo T7500
Core 2 Duo T7500
Intel Core 2 Quad Q9400s
Core 2 Quad Q9400s

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Community ratings

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3.5 23 votes

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Questions & comments

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