Core 2 Quad Q9505S vs Core 2 Duo E6850

Primary details

Comparing Core 2 Duo (Desktop) E6850 and Core 2 Quad Q9505S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2689not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Duo (Desktop)no data
Power efficiency1.05no data
Architecture codenameConroe (2006−2007)no data
Release dateno data (2024 years ago)1 July 2009 (15 years ago)

Detailed specifications

Core 2 Duo (Desktop) E6850 and Core 2 Quad Q9505S 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)
Threads2no data
Base clock speedno data2.83 GHz
Boost clock speed3 GHzno data
Bus rate1333 MHz1333 MHz
L3 cacheno data6 MB L2 Cache
Chip lithography65 nm45 nm
Maximum core temperatureno data76 °C
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Core 2 Duo (Desktop) E6850 and Core 2 Quad Q9505S 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.

Socketno dataLGA775
Power consumption (TDP)65 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo (Desktop) E6850 and Core 2 Quad Q9505S. 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 Duo (Desktop) E6850 and Core 2 Quad Q9505S 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 Duo (Desktop) E6850 and Core 2 Quad Q9505S are enumerated here.

VT-dno data+
VT-xno data+

Pros & cons summary


Physical cores 2 4
Chip lithography 65 nm 45 nm

Core 2 Quad Q9505S has 100% more physical cores, and a 44.4% more advanced lithography process.

We couldn't decide between Core 2 Duo E6850 and Core 2 Quad Q9505S. We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo E6850 and Core 2 Quad Q9505S, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Duo E6850
Core 2 Duo E6850
Intel Core 2 Quad Q9505S
Core 2 Quad Q9505S

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3 73 votes

Rate Core 2 Duo E6850 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 8 votes

Rate Core 2 Quad Q9505S on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E6850 or Core 2 Quad Q9505S, agree or disagree with our judgements, or report an error or mismatch.