Lots of Clarkdale Options
Well after all of the details about the architecture behind the new Clarkdale line of processors and the integrated graphics and the chipsets, let’s talk about the actually processors that are being released.  As I have alluded to a couple of times, both desktop and mobile versions of the Westmere architecture are being released today and a total of 17 processors will hit the streets today.

Intel Core i5-661 Clarkdale Processor Review - Westmere debuts - Processors 95

That’s a lot of new stuff to be on the lookout for at CES this week!  Our focus for this article is the new Core i5 and Core i3 processors for the desktop market:

Intel Core i5-661 Clarkdale Processor Review - Westmere debuts - Processors 96

This is the new desktop mainstream processor lineup for Intel going forward.  All six of these processors are dual-core HyperThreaded CPUs with the same amount of cache and memory support across the board.  While the Core i3 series does not support Turbo Mode and its automatic overclocking capability, the Core i5 does.  The Core i5-660 and 661 run at a base clock of 3.33 GHz but will run as high as 3.6 GHz on a single or dual-threaded workload; 3.46 GHz on a many-threaded work load.  These Turbo Mode jumps are pretty small compared to the huge increases in performance we saw over base clocks on the Lynnfield CPUs last year. 

Intel Core i5-661 Clarkdale Processor Review - Westmere debuts - Processors 97

Intel Core i5-661 Clarkdale Processor Review - Westmere debuts - Processors 98

The Clarkdale CPU on the left and the Lynnfield CPU on the right look exactly the same (minus the marker of course) on the front with some minor changes to layout on the back.

Our testing sample or this launch was the Core i5-661 processor – it differs from the i5-660 only in that it has a slightly higher clocked integrated graphics part (900 MHz vs 733 MHz) and thus a slightly higher TDP.

Obviously the goal of bringing Westmere down to the mainstream segment is to finally put the Nehalem architecture at a low enough price to finally push out the need for the Core 2 line of products and maybe get in AMD’s way once again with their super low cost CPUs.    As the review and benchmarks progress we will see just how successful they are at this.

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