Core 2 Extreme QX9650 vs Pentium Dual Core T4400

Primary details

Comparing Pentium Dual Core T4400 and Core 2 Extreme QX9650 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking2560not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Pentium Dual Coreno data
Architecture codenamePenryn (2008−2011)Yorkfield (2007−2009)
Release date1 December 2009 (14 years ago)November 2007 (16 years ago)

Detailed specifications

Pentium Dual Core T4400 and Core 2 Extreme QX9650 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 GHz3 GHz
Boost clock speed2.2 GHz3 GHz
Bus rate800 MHz1333 MHz
L1 cache128 KB64K (per core)
L2 cache1 MB12 MB (shared)
L3 cacheno data0 KB
Chip lithography45 nm45 nm
Die size107 mm22x 107 mm2
Maximum case temperature (TCase)no data64 °C
Number of transistors410 million820 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Pentium Dual Core T4400 and Core 2 Extreme QX9650 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
SocketPLGA775
Power consumption (TDP)35 Watt130 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Dual Core T4400 and Core 2 Extreme QX9650. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data+
Statusno dataDiscontinued

Security technologies

Pentium Dual Core T4400 and Core 2 Extreme QX9650 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium Dual Core T4400 and Core 2 Extreme QX9650 are enumerated here.

VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Dual Core T4400 and Core 2 Extreme QX9650. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Pros & cons summary


Physical cores 2 4
Threads 2 4
Power consumption (TDP) 35 Watt 130 Watt

Pentium Dual T4400 has 271.4% lower power consumption.

Core 2 Extreme QX9650, on the other hand, has 100% more physical cores and 100% more threads.

We couldn't decide between Pentium Dual Core T4400 and Core 2 Extreme QX9650. We've got no test results to judge.

Be aware that Pentium Dual Core T4400 is a notebook processor while Core 2 Extreme QX9650 is a desktop one.


Should you still have questions on choice between Pentium Dual Core T4400 and Core 2 Extreme QX9650, ask them in Comments section, and we shall answer.

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Intel Pentium Dual Core T4400
Pentium Dual Core T4400
Intel Core 2 Extreme QX9650
Core 2 Extreme QX9650

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Community ratings

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3.5 211 votes

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4.1 114 votes

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Questions & comments

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