Core 2 Duo E6600 vs Core 2 Extreme QX9300

Place in performance ranking	2273	2697
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	3.46
Market segment	Laptop	Desktop processor
Series	Core 2 Extreme	Core 2 Duo (Desktop)
Architecture codename	Penryn (2008−2011)	Conroe (2006−2007)
Release date	August 2008 (15 years ago)	no data
Current price	$844	$9.99

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Extreme QX9300 and Core 2 Duo 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 cores	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	2.53 GHz	no data
Boost clock speed	2.53 GHz	2.4 GHz
Bus support	1066 MHz	1066 MHz
L1 cache	64 KB	no data
L2 cache	12 MB	no data
L3 cache	0 KB	no data
Chip lithography	45 nm	65 nm
Die size	2x 107 mm²	no data
Maximum core temperature	100 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	Yes	No
VID voltage range	1.05V-1.175V	no data

Compatibility

Information on Core 2 Extreme QX9300 and Core 2 Duo 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.

Number of CPUs in a configuration	2	no data
Socket	PGA478	no data
Power consumption (TDP)	45 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9300 and Core 2 Duo E6600. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Demand Based Switching	-	no data
AMT	+	no data
FSB parity	-	no data
Status	Discontinued	no data

Security technologies

Core 2 Extreme QX9300 and Core 2 Duo E6600 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9300 and Core 2 Duo E6600 are enumerated here.

VT-x

no 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.

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 1.17
+98.3%

Core 2 Duo E6600 0.59

Core 2 Extreme QX9300 outperforms Core 2 Duo E6600 by 98% based on our aggregate benchmark results.

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.

Benchmark coverage: 68%

Core 2 Extreme QX9300 1805
+96.4%

Core 2 Duo E6600 919

Core 2 Extreme QX9300 outperforms Core 2 Duo E6600 by 96% in Passmark.

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.

Benchmark coverage: 20%

Core 2 Extreme QX9300 3114
+26.5%

Core 2 Duo E6600 2462

Core 2 Extreme QX9300 outperforms Core 2 Duo E6600 by 26% in Cinebench 10 32-bit single-core.

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.

Benchmark coverage: 19%

Core 2 Extreme QX9300 10882
+132%

Core 2 Duo E6600 4698

Core 2 Extreme QX9300 outperforms Core 2 Duo E6600 by 132% in Cinebench 10 32-bit multi-core.

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.

Benchmark coverage: 19%

Core 2 Extreme QX9300 3780
+84.2%

Core 2 Duo E6600 2052

Core 2 Extreme QX9300 outperforms Core 2 Duo E6600 by 84% in 3DMark06 CPU.

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Benchmark coverage: 18%

Core 2 Extreme QX9300 15.74
+130%

Core 2 Duo E6600 36.2

Core 2 Duo E6600 outperforms Core 2 Extreme QX9300 by 130% in wPrime 32.

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.

Benchmark coverage: 17%

Core 2 Extreme QX9300 3
+94.1%

Core 2 Duo E6600 1

Core 2 Extreme QX9300 outperforms Core 2 Duo E6600 by 94% in Cinebench 11.5 64-bit multi-core.