Core 2 Duo E6600 vs Core 2 Extreme QX6850

Aggregate performance score

Core 2 Extreme QX6850
4 cores / 4 threads, 130 Watt
1.44
+148%
Core 2 Duo E6600
2 cores / 2 threads, 65 Watt
0.58

Core 2 Extreme QX6850 outperforms Core 2 Duo E6600 by a whopping 148% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Extreme (Desktop) QX6850 and Core 2 Duo (Desktop) E6600 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21752808
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Extreme (Desktop)Core 2 Duo (Desktop)
Power efficiency1.050.84
Architecture codenameKentsfield (2007)Conroe (2006−2007)
Release dateno data (2024 years ago)no data (2024 years ago)

Detailed specifications

Core 2 Extreme (Desktop) QX6850 and Core 2 Duo (Desktop) E6600 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
Boost clock speed3 GHz2.4 GHz
Bus rate1333 MHz1066 MHz
Chip lithography65 nm65 nm
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core 2 Extreme (Desktop) QX6850 and Core 2 Duo (Desktop) E6600 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.

Power consumption (TDP)130 Watt65 Watt

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 QX6850 1.44
+148%
Core 2 Duo E6600 0.58

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
+149%
Core 2 Duo E6600 919

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
+25.7%
Core 2 Duo E6600 2462

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
+134%
Core 2 Duo E6600 4698

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
+117%
Core 2 Duo E6600 2052

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Core 2 Extreme QX6850 3
+151%
Core 2 Duo E6600 1

Gaming performance

Pros & cons summary


Performance score 1.44 0.58
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 130 Watt 65 Watt

Core 2 Extreme QX6850 has a 148.3% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Core 2 Duo E6600, on the other hand, has 100% lower power consumption.

The Core 2 Extreme QX6850 is our recommended choice as it beats the Core 2 Duo E6600 in performance tests.


Should you still have questions on choice between Core 2 Extreme QX6850 and Core 2 Duo E6600, ask them in Comments section, and we shall answer.

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Intel Core 2 Extreme QX6850
Core 2 Extreme QX6850
Intel Core 2 Duo E6600
Core 2 Duo E6600

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Community ratings

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


3.4 52 votes

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3.2 438 votes

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Questions & comments

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