The optional Core i7 also supports Intel’s Hyper-Threading technology, which allows two virtual processing cores to run on each physical core, so applications that can take advantage of multiple cores can address eight virtual cores instead of the four physical ones. For $200 more, you can get the high-end model configured to order (CTO) with a 3.4GHz quad-core Core i7 processor that supports Turbo Boost up to 3.9GHz. Both CPUs can use Turbo Boost to run at speeds of 3.6GHz for brief periods of time. Our tests showed that the 3.2GHz model was between 5 and 7 percent faster than the 2.9GHz model in handling processor-intensive tasks. ![]() ![]() Both use Intel’s quad-core Ivy Bridge processors: The high-end $1999 model sports a 3.2GHz Core i5 processor, while the low-end $1799 model uses a 2.9GHz Core i5. And while the new iMac’s 5mm edge is certainly impressive, I can’t help but wonder whether the tradeoffs Apple made for the new design are worth it.Īpple has two standard configurations for its new 27-inch iMacs. ![]() Apple recently updated its largest all-in-one desktop computer, the 27-inch iMac, with a long list of under-the-hood changes, but the first thing people notice is its strikingly thin design.
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