Difference between Intel i3 and Intel Core 2 Duo?

The Core i3 is better. Key differences between the Core i3 and Core 2 Duo:

1. The Core i3 is based on the 32 nm version of the Nehalem architecture, the Westmere architecture. The Core 2 Duo is based on the Core architecture, which is a derivative of the P6 architecture used all the way back in the Pentium Pro, Pentium II, and Pentium III.

2. The Core i3 has HyperThreading technology.

3. The Core i3 contains the SSE4 and AEX instruction set.

4. The Core i3 has a graphics core on the processor.

5. The Core i3 has a built-in memory controller.

6. The Core i3 has a built-in PCI controller.

7. The Core i3 uses a Direct Media Interface bus while the Core 2 Duo uses the aging Front Side Bus.

Numbers 2 - 6 are features the Core 2 Duo lacks, making them slower than the Core i3.

Every couple years, Intel comes out with a slightly newer design for their processors. The Core i series processors use the latest design (called Nehalem) while the Core 2 series use a slightly older design. Because of the newer design and fabrication process, the Core i3 processors will beat a Core 2 Duo processor clocked at the same speed (although a high-end Core 2 Duo is still faster than a slow Core i3).

the i3 has:

-32nm

-integrated graphics

-PCI-e 2.0 controller, couple of em come with 2X8 along with da 1X16 support

-2channel integrated memory controller

-hyper threading

ask the good people at intel themselves..."http://support.intel.com"/