The wattage data on the graph represents full system power. The Power test system is using a GeForce 6200, ASUS P5E3 Deluxe (with most integrated components disabled), 2GB Corsair, 2 x150GB Western Digital hard drives, and PCPC 1KW PSU that gives 77% efficiency at the qualified load. Also, all cooling system fans and devices were loaded to an outside PSU. The wattage quoted here is NOT at the wall, but the actual system wattage.
system with penryn at full load consum 151W
efficiency of psu is at best 77%. which lead to 116 watts excluding psu loss
you need then to remove power of geforce 6200, 2G of memory, 2 raptors.
(so you have to remove again minimum 30-40W...) this lead to a power consumption of motherboard + cpu around 76-86W

Do you know how many fab has intel? Do you know how many intel fab are able to produce 45nm? And explain me what are supposed to do the non 45nm fab if intel sales 4GHz quad for 200$