Intel has added four new ultra-low-voltage processors to its price list. All four new CPUs have 17W thermal envelopes and small packages, in order to fit in ultraportables designs:

Processor	Cores/ threads	Base speed	Turbo speed	L3 cache	TDP	Price
Core i7-2677M	2/4	1.8 GHz	2.9 GHz	4 MB	17W	$317
Core i7-2637M	2/4	1.7 GHz	2.8 GHz	4 MB	17W	$289
Core i5-2557M	2/4	1.7 GHz	2.7 GHz	3 MB	17W	$250
Celeron 847	2/2	1.1 GHz	N/A	2 MB	17W	$134