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Intel® Core™2 Quad and Intel® Core™2 Duo Processor with Intel® Q45 Express Chipset

Formerly McCreary (Yorkfield/Wolfdale + Eaglelake)

Previous generations of embedded Intel® processors may not be supported by Intel. Refer to the comprehensive embedded processor and chipset roadmap for products backed by Intel’s 7-year extended life cycle support.


Based on Intel® Core™ microarchitecture and 45nm process technology, these multi-core processors with increased cache provide advancements in computing for multi-threaded applications and multi-tasking environments to meet the needs of performance-intensive, low power embedded applications.


  • Intel® Virtualization Technology: Increases flexibility and system utilization by enabling multiple environments on a single hardware platform.
  • Intel® Trusted Execution Technology: Enables security capabilities such as measured launch and protected execution.
  • Intel® Advanced Smart Cache: Improves system performance through dynamic allocation of shared L2 cache.
  • Intel® 64 architecture: Supports 64-bit instructions.









Product Brief: Intel® Core™2 Duo Processors E8400, E7400, E6400 and E4300 for Embedded Computing:  Preview |  Download

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Processors1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
Processor Number Ordering Code Cache, Clock Speed Power Memory Product Technologies
Intel® Core™2 Quad processor Q9400 AT80580PJ0676M 6M cache, 2.66 GHz, 1333 MHz FSB 95 W DDR2/DDR3 1333 Enhanced Intel SpeedStep® Technology, IA-64, Intel® Trusted Execution Technology (Intel® TXT), Intel® Virtualization Technology (Intel® VT) for Directed I/O (Intel® VT-d), Execute Disable Bit (XD)
Intel® Core™2 Duo processor E8400 AT80570PJ0806M 6M cache, 3.00 GHz, 1333 MHz FSB 65 W DDR2/DDR3 1333 Enhanced Intel SpeedStep Technology, IA-64, Intel TXT, Intel VT-d, XD
Intel® Core™2 Duo processor E7400 AT80571PH0723M 3M cache, 2.80 GHz, 1066 MHz FSB 65 W DDR2/DDR3 1333 Enhanced Intel SpeedStep Technology, IA-64, XD
Intel® Core™2 Duo processor E6400 HH80557PH0462M 2M cache, 2.13 GHz, 1066 MHz FSB 65 W DDR2/DDR3 1333 Enhanced Intel SpeedStep Technology, IA-64, XD
Intel® Core™2 Duo processor E4300 HH80557PG0332M 2M cache, 1.80 GHz, 800 MHz FSB 65 W DDR2/DDR3 1333 Enhanced Intel SpeedStep Technology, IA-64, XD
Product Ordering Code Package Power Features
Intel® 82Q45 Graphics Memory Controller Hub (GMCH) AC82Q45 FCBGA1254 17 W 1333/1066/800 MHz system bus; DDR2 or DDR3; Intel® Graphics Media Accelerator 4500; high-bandwidth direct media interface chip interconnect; PCI Express* x16 Gen 2.0  
Intel® I/O Controller Hub 10 DO (Intel® ICH10DO) AF82801JDO PBGA676 4.5 W 4 PCI masters, 6 PCI Express*, 6 SATA, 12 USB 2.0 ports, dual EHCI controllers, integrated 10/100/1000 MAC, Intel® Quiet System Technology, Intel® Matrix Storage Technology, Intel® Active Management Technology, supports RAID 0, 1, 5 and 10  

Block Diagram

Intel® Core™2 Quad and Intel® Core™2 Duo Processors: Block Diagram

Intel® Core™2 Quad and Intel® Core™2 Duo processors functions, capabilities, and connectivity.

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Design Resources



Product and Performance Information


1. Information submitted to Intel through forms on this website is governed according to Intel® Embedded Design Center Privacy Statement: www.intel.com/content/www/us/en/intelligent-systems/edc-privacy.html

2. 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/content/www/us/en/processors/processor-numbers.html for details.

3. Execute Disable Bit requires an Execute Disable Bit enabled system. Check with your PC manufacturer to determine whether your system delivers this functionality. For more information, visit www.intel.com/technology/xdbit/index.htm.

4. Intel® Hyper-Threading Technology (Intel® HT Technology) requires an Intel HT Technology enabled system; check with your PC manufacturer. Performance will vary depending on the specific hardware and software used. Not available on the previous generation Intel® Core™ i5-750. For more information including details on which processors support Intel HT Technology, visit http://www.intel.com/content/www/us/en/architecture-and-technology/hyper-threading/hyper-threading-technology.html.

5. Intel® vPro™ technology is sophisticated and requires setup and activation. Availability of features and results will depend upon the setup and configuration of your hardware, software, and IT environment. To learn more visit: www.intel.com/content/www/us/en/architecture-and-technology/vpro/intel-vpro-technology-developer.html

6. Intel® Active Management Technology (Intel® AMT) requires activation and a system with a corporate network connection, an Intel® AMT-enabled chipset, network hardware, and software. For notebooks, Intel® AMT may be unavailable or limited over a host OS-based VPN, when connecting wirelessly, on battery power, sleeping, hibernating, or powered off. Results dependent upon hardware, setup, and configuration. For more information, visit www.intel.com/content/www/us/en/architecture-and-technology/intel-active-management-technology.html

7. Intel® Anti-Theft Technology requires an enabled chipset, BIOS, firmware and software and a subscription with a capable Service Provider. No system can provide absolute security under all conditions. Consult your system manufacturer and Service Provider for availability and functionality. Intel assumes no liability for lost or stolen data and/or systems or any other damages resulting thereof. For more information, visit www.intel.com/content/www/us/en/architecture-and-technology/anti-theft/anti-theft-general-technology.html.

8. Requires an Intel® High Definition Audio (Intel® HD Audio) enabled system. Consult your PC manufacturer for more information. Sound quality will depend on equipment and actual implementation. For more information about Intel® HD Audio, refer to www.intel.com/design/chipsets/hdaudio.htm.

9. Intel® 64 architecture requires a system with a 64-bit enabled processor, chipset, BIOS, and software. Performance will vary depending on the specific hardware and software you use. Consult your PC manufacturer for more information. For more information, visit www.intel.com/content/www/us/en/architecture-and-technology/microarchitecture/intel-64-architecture-general.html.

10. Intel® Stable Image Platform Program (Intel® SIPP). Consult your PC manufacturer for availability of systems that meet Intel SIPP guidelines. Intel SIPP is a client program only and does not apply to servers or Intel®-based handhelds and/or handsets. For more information, visit www.intel.com/content/www/us/en/computer-upgrades/pc-upgrades/sipp-intel-stable-image-platform-program.html.

11. Intel® technologies' features and benefits depend on system configuration and may require enabled hardware, software, or service activation. Performance varies depending on system configuration. No computer system can be absolutely secure. Check with your system manufacturer or retailer or learn more at www.intel.com/txt.

12. Intel® Virtualization Technology requires a computer system with an enabled Intel® processor, BIOS, and virtual machine monitor (VMM). Functionality, performance, or other benefits will vary depending on hardware and software configurations. Software applications may not be compatible with all operating systems. Consult your PC manufacturer. For more information, visit www.intel.com/content/www/us/en/virtualization/virtualization-technology/hardware-assist-virtualization-technology.html.

13. Intel® Turbo Boost Technology requires a system with Intel Turbo Boost Technology capability. Consult your PC manufacturer. Performance varies depending on hardware, software, and system configuration. For more information, visit www.intel.com/content/www/us/en/architecture-and-technology/turbo-boost/turbo-boost-technology.html.