Pentium E6500K vs Core 2 Quad Q9550

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Core 2 Quad Q6600 Core 2 Quad Q9550 Core 2 Quad Q6600 (95W) Core 2 Quad Q6700 Core 2 Quad Q8200 Core 2 Quad Q8300 Core 2 Quad Q8400 Core 2 Quad Q9300 Core 2 Quad Q9400 Core 2 Quad Q9450 Core 2 Quad Q9500 Core 2 Quad Q9650
VS
Celeron E3300 Celeron E3400 Core 2 Duo E7400 Core 2 Duo E7500 Core 2 Duo E8400 Core 2 Duo E8500 Pentium E5200 Pentium E5300 Pentium E5400 Pentium E5500 Pentium E5700 Pentium E5800

Contents

Core 2 Quad Q9550 Core 2 Quad Q9550
Pentium E6500K Pentium E6500K

Primary details

Comparing Core 2 Quad (Desktop) Q9550 and Pentium E6500K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2156not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Quad (Desktop)no data
Power efficiency1.46no data
Architecture codenameYorkfield (2007−2009)Wolfdale (2008−2010)
Release dateno data (2024 years ago)9 August 2009 (15 years ago)

Detailed specifications

Core 2 Quad (Desktop) Q9550 and Pentium E6500K 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)2 (Dual-core)
Threads42
Base clock speedno data2.93 GHz
Boost clock speed2.83 GHz0.93 GHz
Bus rate1333 MHzno data
L1 cacheno data64 KB (per core)
L2 cache12288 KB2 MB (shared)
L3 cacheno data0 KB
Chip lithography45 nm45 nm
Die sizeno data82 mm2
Maximum core temperatureno data74 °C
Number of transistorsno data228 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+
VID voltage rangeno data0.85V – 1.3625V

Compatibility

Information on Core 2 Quad (Desktop) Q9550 and Pentium E6500K 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 configurationno data1
SocketLGA775LGA775
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Pentium E6500K. 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-

Security technologies

Core 2 Quad (Desktop) Q9550 and Pentium E6500K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and Pentium E6500K are enumerated here.

VT-dno data-
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Pentium E6500K. 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 cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad (Desktop) Q9550 and Pentium E6500K.

PCIe versionno data2.0

Pros & cons summary

Physical cores 4 2
Threads 4 2
Power consumption (TDP) 95 Watt 65 Watt

Core 2 Quad Q9550 has 100% more physical cores and 100% more threads.

Pentium E6500K, on the other hand, has 46.2% lower power consumption.

We couldn't decide between Core 2 Quad Q9550 and Pentium E6500K. We've got no test results to judge.

Should you still have questions on choice between Core 2 Quad Q9550 and Pentium E6500K, ask them in Comments section, and we shall answer.

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.

4.1 1865 votes

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3.5 2 votes

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Questions & comments

Here you can ask a question about Core 2 Quad Q9550 or Pentium E6500K, agree or disagree with our judgements, or report an error or mismatch.