Athlon 64 X2 6400+ BE vs Core 2 Duo E6600

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Primary details

Comparing Core 2 Duo (Desktop) E6600 and Athlon 64 X2 6400+ BE processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2824not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Duo (Desktop)no data
Power efficiency0.84no data
Architecture codenameConroe (2006−2007)Windsor (2006−2007)
Release dateno dataAugust 2007 (17 years ago)

Detailed specifications

Core 2 Duo (Desktop) E6600 and Athlon 64 X2 6400+ BE 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 cores2 (Dual-core)2 (Dual-core)
Threads22
Boost clock speed2.4 GHz3.2 GHz
Bus rate1066 MHzno data
L1 cache64 KB256 KB
L2 cache4 MB1 MB
L3 cache0 KB0 KB
Chip lithography65 nm90 nm
Die size143 mm2230 mm2
Number of transistors291 million227 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+

Compatibility

Information on Core 2 Duo (Desktop) E6600 and Athlon 64 X2 6400+ BE 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 configuration11
Socket775AM2
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo (Desktop) E6600 and Athlon 64 X2 6400+ BE. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo (Desktop) E6600 and Athlon 64 X2 6400+ BE. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data

Pros & cons summary


Chip lithography 65 nm 90 nm
Power consumption (TDP) 65 Watt 125 Watt

Core 2 Duo E6600 has a 38.5% more advanced lithography process, and 92.3% lower power consumption.

We couldn't decide between Core 2 Duo E6600 and Athlon 64 X2 6400+ BE. We've got no test results to judge.


Should you still have questions on choice between Core 2 Duo E6600 and Athlon 64 X2 6400+ BE, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E6600
Core 2 Duo E6600
AMD Athlon 64 X2 6400+ BE
Athlon 64 X2 6400+ BE

Other comparisons

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Community ratings

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3.2 438 votes

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4.4 7 votes

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