what is the exact difference between core duo & core 2 duo processor?

Answer 1

This site has the differences in pictures :-)
http://www.barefeats.com/mbcd6.html

Answer 2

Unlike NetBurst-based processors, such as the Pentium 4 and Pentium D, Core 2 does not stress designs based on extremely high clock speeds but rather improvements on other CPU features, including cache efficiency and number of cores. The power consumption of these processors is much lower than the Pentium desktop line of products. With a TDP of only 65 W, Core 2 features a significantly reduced power consumption compared to its predecessor desktop chip, the Pentium 4 Prescott with a TDP of 130 W.

Core 2 Duo is much better than dual core and even costs 10-15K more.

Answer 3

Intel Core Duo consists of two cores on one die, a 2 MiB L2 cache shared by both cores, and an arbiter bus that controls both L2 cache and FSB access. Upcoming steppings of Core Duo processors will also include the ability to disable one core to conserve power.


Core 2 is an eighth-generation x86 architecture microprocessor produced by Intel and based on the Intel Core microarchitecture; successor of the NetBurst microarchitecture that has powered most Intel processors since 2000. Core 2 also marks the retirement of Intel's Pentium brand name that has been used from 1993 and the reunion of Intel's notebook and desktop product lines since Pentium M was released apart from Pentium 4 in 2003.

Answer 4

Both are Intel products..and nothing coming free..for the both we need to pay the money.