Intel® Core providing the bandwidth you need for applications

The Intel® Core™2 Quad processor for desktop PCs is designed to handle massive compute and visualization workloads enabled by powerful multi-core technology.
Providing the bandwidth you need for multi-threaded applications, Intel Core 2 Quad processors are built on 45nm Intel® Core™ microarchitecture enabling, faster, cooler, and quieter desktop PC and workstation experiences.

Intel® Wide Dynamic Execution, enabling delivery of more instructions per clock cycle to improve execution time and energy efficiency
Intel® Intelligent Power Capability, designed to deliver more energy-efficient performance
Intel® Smart Memory Access, improving system performance by optimizing the use of the available data bandwidth
Intel® Advanced Smart Cache, optimized for multi-core processors, providing a higher-performance, more efficient cache subsystem
Intel® Advanced Digital Media Boost, accelerating a broad range of multimedia, encryption, scientific and financial applications by significantly improving performance when executing Intel® Streaming SIMD Extension (SSE/SSE2/SSE3) instructions
Intel® HD Boost³, with Intel® Streaming SIMD Extension 4 (Intel SSE4) instructions for even greater multimedia performance and faster high definition video editing and encoding
Intel® Virtualization Technology (Intel® VT)², enabling greater security, manageability, and utilization
Future ready, designed to perform in highly threaded programs with powerful Intel® multi-core technology

from
http://www.intel.com/products/processor/core2quad/index.htm