Core 2 Quad Q9505S vs Core 2 Quad Q9650

Primary details

Comparing Core 2 Quad Q9650 and Core 2 Quad Q9505S processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2106not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.56no data
Architecture codenameYorkfield (2007−2009)no data
Release dateAugust 2008 (16 years ago)1 July 2009 (15 years ago)

Detailed specifications

Core 2 Quad Q9650 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 cores4 (Quad-Core)4 (Quad-Core)
Threads4no data
Base clock speed3 GHz2.83 GHz
Boost clock speed3 GHzno data
Bus rate1333 MHz1333 MHz
L1 cache64 KB (per core)no data
L2 cache6 MB (per die)no data
L3 cache0 KB6 MB L2 Cache
Chip lithography45 nm45 nm
Die size2x 107 mm2no data
Maximum core temperature71 °C76 °C
Number of transistors820 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625V0.85V-1.3625V

Compatibility

Information on Core 2 Quad Q9650 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.

Number of CPUs in a configuration1no data
SocketLGA775LGA775
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9650 and Core 2 Quad Q9505S. 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-no data

Security technologies

Core 2 Quad Q9650 and Core 2 Quad Q9505S technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9650 and Core 2 Quad Q9505S are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9650 and Core 2 Quad Q9505S. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

Pros & cons summary


Power consumption (TDP) 95 Watt 65 Watt

Core 2 Quad Q9505S has 46.2% lower power consumption.

We couldn't decide between Core 2 Quad Q9650 and Core 2 Quad Q9505S. We've got no test results to judge.


Should you still have questions on choice between Core 2 Quad Q9650 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 Quad Q9650
Core 2 Quad Q9650
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.


4.5 1605 votes

Rate Core 2 Quad Q9650 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 Quad Q9650 or Core 2 Quad Q9505S, agree or disagree with our judgements, or report an error or mismatch.