Core 2 Duo T6500 vs Core 2 Extreme QX6850

Primary details

Comparing Core 2 Extreme (Desktop) QX6850 and Core 2 Duo T6500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2169not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesCore 2 Extreme (Desktop)Intel Core 2 Duo
Power efficiency1.05no data
Architecture codenameKentsfield (2007)Penryn (2008−2011)
Release dateno data (2024 years ago)1 January 2009 (15 years ago)

Detailed specifications

Core 2 Extreme (Desktop) QX6850 and Core 2 Duo T6500 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 data2.1 GHz
Boost clock speed3 GHz2.1 GHz
Bus rate1333 MHz800 MHz
L2 cacheno data2 MB
L3 cacheno data2 MB L2 Cache
Chip lithography65 nm45 nm
Die sizeno data107 mm2
Maximum core temperatureno data105 °C
Number of transistorsno data410 Million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core 2 Extreme (Desktop) QX6850 and Core 2 Duo T6500 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 dataPGA478
Power consumption (TDP)130 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) QX6850 and Core 2 Duo T6500. 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-

Security technologies

Core 2 Extreme (Desktop) QX6850 and Core 2 Duo T6500 technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme (Desktop) QX6850 and Core 2 Duo T6500 are enumerated here.

VT-xno data-

Synthetic benchmark performance

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



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 QX6850 2292
+207%
Core 2 Duo T6500 747

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Extreme QX6850 3095
+37.6%
Core 2 Duo T6500 2249

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Extreme QX6850 10990
+158%
Core 2 Duo T6500 4262

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Extreme QX6850 4450
+137%
Core 2 Duo T6500 1879

Pros & cons summary


Physical cores 4 2
Threads 4 2
Chip lithography 65 nm 45 nm
Power consumption (TDP) 130 Watt 35 Watt

Core 2 Extreme QX6850 has 100% more physical cores and 100% more threads.

Core 2 Duo T6500, on the other hand, has a 44.4% more advanced lithography process, and 271.4% lower power consumption.

We couldn't decide between Core 2 Extreme QX6850 and Core 2 Duo T6500. We've got no test results to judge.

Note that Core 2 Extreme QX6850 is a desktop processor while Core 2 Duo T6500 is a notebook one.


Should you still have questions on choice between Core 2 Extreme QX6850 and Core 2 Duo T6500, 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 QX6850
Core 2 Extreme QX6850
Intel Core 2 Duo T6500
Core 2 Duo T6500

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.


3.4 52 votes

Rate Core 2 Extreme QX6850 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 87 votes

Rate Core 2 Duo T6500 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Extreme QX6850 or Core 2 Duo T6500, agree or disagree with our judgements, or report an error or mismatch.