Core 2 Quad Q9550s vs Pentium Extreme Edition 965

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Primary details

Comparing Pentium Extreme Edition 965 and Core 2 Quad Q9550s processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2791not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.45no data
Architecture codenamePresler (2005−2007)Yorkfield (2007−2009)
Release date26 March 2006 (18 years ago)27 January 2009 (15 years ago)
Launch price (MSRP)$999no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium Extreme Edition 965 and Core 2 Quad Q9550s 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)
Threads44
Base clock speed3.733 GHz2.83 GHz
Boost clock speed0.73 GHz0.83 GHz
Bus rateno data1333 MHz
L1 cache16 KB (per core)64 KB (per core)
L2 cache2 MB (per core)12 MB (shared)
L3 cacheno data0 KB
Chip lithography65 nm45 nm
Die size2x 81 mm22x 107 mm2
Maximum case temperature (TCase)67 °C76 °C
Number of transistors376 million820 million
64 bit support++
Windows 11 compatibilityno data-
Unlocked multiplier+-
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Pentium Extreme Edition 965 and Core 2 Quad Q9550s 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
Socket775LGA775
Power consumption (TDP)130 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium Extreme Edition 965 and Core 2 Quad Q9550s. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data+

Security technologies

Pentium Extreme Edition 965 and Core 2 Quad Q9550s 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 Extreme Edition 965 and Core 2 Quad Q9550s are enumerated here.

VT-dno data+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium Extreme Edition 965 and Core 2 Quad Q9550s. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3 Depends on motherboardDDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Pentium Extreme Edition 965 and Core 2 Quad Q9550s.

PCIe versionno data2.0

Pros & cons summary


Recency 26 March 2006 27 January 2009
Physical cores 2 4
Chip lithography 65 nm 45 nm
Power consumption (TDP) 130 Watt 65 Watt

Core 2 Quad Q9550s has an age advantage of 2 years, 100% more physical cores, a 44.4% more advanced lithography process, and 100% lower power consumption.

We couldn't decide between Pentium Extreme Edition 965 and Core 2 Quad Q9550s. We've got no test results to judge.


Should you still have questions on choice between Pentium Extreme Edition 965 and Core 2 Quad Q9550s, ask them in Comments section, and we shall answer.

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Intel Pentium Extreme Edition 965
Pentium Extreme Edition 965
Intel Core 2 Quad Q9550s
Core 2 Quad Q9550s

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Community ratings

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1.5 2 votes

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4.7 20 votes

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Questions & comments

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