Core 2 Quad Q9650 vs Core 2 Extreme QX9300

Aggregate performance score

Core 2 Extreme QX9300
2008
4 cores / 4 threads, 45 Watt
1.14
Core 2 Quad Q9650
2008
4 cores / 4 threads, 95 Watt
1.56
+36.8%

Core 2 Quad Q9650 outperforms Core 2 Extreme QX9300 by a substantial 37% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Extreme QX9300 and Core 2 Quad Q9650 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23772106
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesCore 2 Extremeno data
Power efficiency2.401.55
Architecture codenamePenryn (2008−2011)Yorkfield (2007−2009)
Release dateAugust 2008 (16 years ago)August 2008 (16 years ago)

Detailed specifications

Core 2 Extreme QX9300 and Core 2 Quad Q9650 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)
Threads44
Base clock speed2.53 GHz3 GHz
Boost clock speed2.53 GHz3 GHz
Bus rate1066 MHz1333 MHz
L1 cache64 KB64 KB (per core)
L2 cache12 MB6 MB (per die)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size2x 107 mm22x 107 mm2
Maximum core temperature100 °C71 °C
Number of transistorsno data820 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage range1.05V-1.175V0.85V-1.3625V

Compatibility

Information on Core 2 Extreme QX9300 and Core 2 Quad Q9650 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 configuration21
SocketPGA478LGA775
Power consumption (TDP)45 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9300 and Core 2 Quad Q9650. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switching--
AMT+no data
FSB parity--

Security technologies

Core 2 Extreme QX9300 and Core 2 Quad Q9650 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9300 and Core 2 Quad Q9650 are enumerated here.

VT-dno data+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9300 and Core 2 Quad Q9650. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core 2 Extreme QX9300 1.14
Core 2 Quad Q9650 1.56
+36.8%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Extreme QX9300 1805
Core 2 Quad Q9650 2478
+37.3%

Gaming performance

Pros & cons summary


Performance score 1.14 1.56
Power consumption (TDP) 45 Watt 95 Watt

Core 2 Extreme QX9300 has 111.1% lower power consumption.

Core 2 Quad Q9650, on the other hand, has a 36.8% higher aggregate performance score.

The Core 2 Quad Q9650 is our recommended choice as it beats the Core 2 Extreme QX9300 in performance tests.

Be aware that Core 2 Extreme QX9300 is a notebook processor while Core 2 Quad Q9650 is a desktop one.


Should you still have questions on choice between Core 2 Extreme QX9300 and Core 2 Quad Q9650, 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 Extreme QX9300
Core 2 Extreme QX9300
Intel Core 2 Quad Q9650
Core 2 Quad Q9650

Similar processor comparisons

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Community ratings

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


4.1 91 vote

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4.5 1608 votes

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Questions & comments

Here you can ask a question about Core 2 Extreme QX9300 or Core 2 Quad Q9650, agree or disagree with our judgements, or report an error or mismatch.