Intel surely likes to complicates things. Clarksfield is simply another name for Lynnfield and both of them will launch in Q3 2009 with the difference than Lynnfield is desktop part and Clarksfield is notebook part.

Both CPUs are quad-cores with support for eight treads. Clarksfield has a serious issue as its chipset doesn’t supports any integrated graphics. Mobile Intel series 5 Express chip doesn’t have any IGP inside as the integrated graphics should come in Q1 2010 with Arrandale 32nm dual core CPU and until then Intel will have to use discrete graphics chips.

Clarksfield and Callpela platform are therefore doomed to use Nvidia’s and ATI’s discrete graphics chips and this usually means a bigger thermal dissipation and hotter notebooks. You can expect that Clarksfield alone will have 35 to 45W TDP and if you add the chipset and discrete graphics, you can paint a picture that Clarksfield will probably have worse battery life than currently available quad-core notebooks. Future Arrandale CPUs will change this, as they will feature integrated graphics in the same package as the processor.

Since quad-core notebooks are not battery friendly users who will end up buying new Callpela based platform should be aware that their 17 or 15-inch notebooks, won’t have great battery life, but they should be quite fast in rendering and PC mark.