What is the difference between aDual Core processor and Core 2Duo processor??

Intel Core 2 Duo is better becos it is Faster and advanced read this u will know this The Intel® Core™ Duo Features and benefits Outstanding dual-core performance With its two execution cores, the Intel Core Duo processor is optimized for multi-threaded applications and multitasking. You can simultaneously run multiple demanding applications such as graphics-intensive games or serious number-crunching programs - while downloading music or running virus-scanning security programs in the background. Power efficiency Demand for greater power efficiency in computing is on the rise from desktop to laptop PCs. With an Intel Core Duo processor, you get a balance of great dual-core computing capabilities and power savings. Its enhanced voltage efficiency supports cooler and quieter system designs as compared to traditional desktop and laptop PCs. And thanks to the innovative energy efficient technologies built-in, the Intel® Core™ Duo processor is able to transfer power only to those areas of the processor that need it, thereby enabling laptops to save power and desktops to have thinner, sleeker designs. A vibrant media experience The Intel Core Duo processor enables your Intel Viiv technology and Intel Centrino Duo mobile technology multimedia experience to be all the more vibrant. Featuring Intel® Digital Media Boost, the Intel® Core™ Duo processor enables accelerating technologies for applications such as CAD tools, 3D and 2D modeling, video editing, digital music, digital photography and gaming. This is one of the key ingredients that help Intel Viiv technology and Intel Centrino Duo mobile technology to give you a truly rich multimedia experience. Smarter, more efficient designs The Intel Core Duo processor features Intel® Smart Cache which helps deliver a smarter and more efficient cache and bus design to enable enhanced dual-core performance, and power savings. An essential ingredient in Intel® Centrino® Duo mobile technology The Intel® Core™ Duo processor is Intel's first mobile dual-core processor and a key component of the new Intel Centrino Duo mobile technology platform. The Intel Core 2 Duo For Vista it is very stable Maximum everything. Energy-efficient performance. Multimedia power. Based on revolutionary Intel® Core™ microarchitecture, the breakthrough Intel® Core™2 Duo processor family is designed to provide powerful energy-efficient performance so you can do more at once without slowing down. With Intel® Core™2 Duo desktop processor, you'll experience revolutionary performance, unbelievable system responsiveness, and energy-efficiency second to none. And, you won't have to slow down for virus scan, multiple compute intensive programs, or multimedia downloads - these desktop processors are up to 40 percent faster and over 40 percent more energy-efficient.¹ Intel® Centrino® Duo mobile technology has just gotten a mobility upgrade with the new Intel Core 2 Duo mobile processor. Its advanced capabilities provide twice the multitasking performance² while using 28 percent less power³ so you get the benefit of a powerful dual-core PC plus all the benefits of mobility.+ Product information Download the desktop product brief (PDF 192KB) Download the mobile product brief (PDF 326KB) Why are Intel Core 2 Duo processors the best in the world? Check out the desktop benchmarks For the digital home › For the digital office › Check out the mobile benchmark Unrivaled performance, built for power savings › See product image Learn about processor numbers? Features and benefits Delivering the best overall performance. Period. With Intel Core 2 Duo processors powering your desktop and laptop PCs you'll get the latest arsenal of performance-rich technologies, including up to 4MB of shared L2 cache, up to 1066 MHz Front Side Bus for desktop, and up to 667 MHz Front Side Bus for laptop, you've got the future of computing now, and only from Intel: 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 and smarter battery performance in your laptop Intel® Smart Memory Access, improving system performance by optimizing the use of the available data bandwidth Intel® Advanced Smart Cache, providing a higher-performance, more efficient cache subsystem. Optimized for multi-core and dual-core processors Intel® Advanced Digital Media Boost, accelerating a broad range of applications, including video, speech and image, photo processing, encryption, financial, engineering and scientific applications Additional desktop performance Big, big performance. More energy efficient.¹ Now available in smaller packages. The Intel Core 2 Duo processor-based desktop PC was designed from the ground up for energy efficiency, letting you enjoy higher performing, ultra-quiet, sleek, and low power desktop PC designs. Multitask with reckless abandon. Do more at the same time, like playing your favorite music, running virus scan in the background, and all while you edit video or pictures. The powerful Intel Core 2 Duo desktop processor PCs provides you with the speed you need to perform any and all tasks imaginable. Love your PC again. Don't settle for anything less than the very best. Find your perfect desktop powered by the Intel Core 2 Duo processor and get the best processing technology money can buy. Only from Intel. Discover, heal, and protect your business. The best Intel®-based desktops for business deliver the next stage in IT security & management with hardware-based proactive security and enhanced maintenance and management technologies, plus exceptional performance and energy efficiency to provide Intel's optimal foundation to power Microsoft Windows Vista*.

intel core duo 2 is an advanced version of core duo..... it consist of twp micro processor....that is performance of two computer.... i heard it is better than amd 64...so gofor a core duo2!