what's the difference between Pentium D dual core and the Core D

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Intel® Core™ Duo Processors


The Intel® Core™ Duo processor breaks new ground. Its dual-core technology rewrites the rules of computing, delivering optimized power efficient computing and breakthrough dual-core performance with amazingly low power consumption. Intel Core Duo processor is available in Intel's premium laptop platform, Intel® Centrino® Duo mobile technology+. It can also be found in select Intel® Viiv™ technology-based systems∇.

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Join the Intel dual-core revolution and discover exceptional multimedia, power savings, and performance

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.