Intel has quietly added two models to its Core Duo (Yonah) lineup. The new top of the line T2700 is clocked at 2.33 GHz and features 2 MB of L2 cache and 667 MHz frontside bus. Power consumption is rated at 31 W. The U2500 is an ultra low voltage part clocked at 1.2 GHz with 2 MB of L2 and 533 MHz FSB. It has a 9 W TDP. The chips cost USD 637 and USD 289, respectively, in 1,000-unit quantities.