Intel adds one more ultra-low voltage Yonah CPU, only 9W
 

The dual-core 65nm Yonah-based U2400 features a 1.06GHz clock frequency, a 533MHz front-side bus and 2MB of shared L2 cache. Intel has not released TDP specifics of the new processor, but the TDP of the 1.2GHz Core Duo U2500 was a mere 9 Watts. During normal operation the U2500 uses less than a Watt.