What are the key differences—and 
similarities—between Intel's second- and third-generation Core (aka 
Sandy Bridge and Ivy Bridge) processors? We break them down for you.
   
  
It happens every year, almost like 
clockwork—literal and figurative: Intel implements one or the other part
 of its tick-tock development strategy, which guarantees processor 
innovation is an ongoing, rather than an intermittent, process. But 
whether any given year is the tick (a reduction in the production 
process) or the tock (a new microarchitecture), it can occasionally be 
difficult to know exactly what's changed, or what impact it will have on
 you.
 
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