DailyTech reports that the Non-Disclosure for performance benchmarks on Intel's upcoming Intel Core 2 Duo and Core 2 Extreme processors was lifted today. The new processors, code named Conroe, are the desktop versions of the Core Duo processors which currently reside in Apple's MacBook, MacBook Pro and iMac computers. The Core 2 Duo and Core 2 Extreme could make their Mac debut in Apple's PowerMac computers which are rumored to be released on August 7th 2006 at the World Wide Developers Conference. Intel is expected to start shipping the new processors on July 23rd with an official announcement on July 27th. The Core 2 Duo will have clock speeds of 1.86GHz, 2.13GHz, 2.4GHz and 2.67GHz while the Core 2 Extreme will clock in at 2.93GHz. All share a 1066MHz front side bus with between 2-4MB of L2 cache. Pricing for the chips range from $183 to $999 per chip. As mentioned above, a number of benchmarks of the new chips have been released today, with DailyTech providing a roundup of many reviews.