Power Consumption and Performance per Watt
Testing power consumption has become just as important and relevant in recent years as judging performance of these processors. 

Intel Core i7-2600K (and friends) Sandy Bridge Processor Review - Processors 95

Intel Core i7-2600K (and friends) Sandy Bridge Processor Review - Processors 96

Well if that isn’t the picture of efficiency, what is?  The four new Sandy Bridge processors, including the Core i7-2600K are using much less power under a peak load than their competing options like the Core i7-875K Lynnfield processor or even the Core i7-980X Gulftown.  In fact, even as a group, the four SNB options are using about as much power as the dual-core Core i5-655K!

Intel Core i7-2600K (and friends) Sandy Bridge Processor Review - Processors 97

Intel Core i7-2600K (and friends) Sandy Bridge Processor Review - Processors 98

Intel Core i7-2600K (and friends) Sandy Bridge Processor Review - Processors 99

Intel Core i7-2600K (and friends) Sandy Bridge Processor Review - Processors 100


The incredible power consumption levels of the Sandy Bridge processors definitely give the new family a leg up when it comes to performance per watt.  The Core i7-2600K is easily the most efficient high-performance CPU we have ever tested.

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