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Intel® Core™2 Duo Processor
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Intel® Core™2 Duo  
All Intel® Core™2 Duo processors feature:
 Intel® dual-core technology
 Enhanced Intel SpeedStep® Technology
 Intel® 64 architectureΦ
 Execute Disable Bit°
 
Desktop processor specifications
Processor NumberΔCacheClock SpeedFront Side BusIntel® Virtualization Technology (Intel® VT)±
 65 nm
E67004 MB L22.66 GHz1066 MHz
E66004 MB L22.40 GHz1066 MHz
E64204 MB L22.13 GHz1066 MHz
E64002 MB L22.13 GHz1066 MHz
E63204 MB L21.86 GHz1066 MHz
E63002 MB L21.86 GHz1066 MHz
E44002 MB L22 GHz800 MHz 
E43002 MB L21.80 GHz800 MHz 
 
Get detailed specifications
 
Desktop Product Comparison Chart ›
Compare Intel® Core™2 Duo processors to other Intel® desktop processors and get chipset and motherboard information.
Laptop Product Comparison Chart ›
Compare features for Intel® Centrino® Mobile Technology.
Desktop Processor Spec Finder ›
Get the detailed technical specifications of each Intel® Core™2 Duo desktop processor.
Mobile Processor Spec Finder ›
Get the detailed technical specifications of each Intel® Core™2 Duo mobile processor.
 
± Intel® Virtualization Technology (Intel® VT) requires a computer system with an enabled Intel® processor, BIOS, virtual machine monitor (VMM) and for some uses, certain platform software enabled for it. Functionality, performance or other benefits will vary depending on hardware and software configurations. Intel Virtualization Technology-enabled BIOS and VMM applications are currently in development.
Φ 64-bit computing on Intel® architecture requires a computer system with a processor, chipset, BIOS, operating system, device drivers and applications enabled for Intel® 64 architecture. Processors will not operate (including 32-bit operation) without an Intel 64 architecture-enabled BIOS. Performance will vary depending on your hardware and software configurations. Consult with your system vendor for more information.

° Enabling Execute Disable Bit functionality requires a PC with a processor with Execute Disable Bit capability and a supporting operating system. Check with your PC manufacturer on whether your system delivers Execute Disable Bit functionality.
Δ Intel processor numbers are not a measure of performance. Processor numbers differentiate features within each processor family, not across different processor families. See www.intel.com/products/processor_number/ for details.