Macworld publishes first round of benchmark results for new iMac

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Macworld posted the results of its first benchmark tests for the newly updated family of iMacs this morning. The publication’s tests found Apple’s latest iMacs to be generally faster than previous iMacs, although certain build-to-order (BTO) models from 2010 still outperformed the new family of iMacs in some tests.

The new top-of-the-line, quad-core 3.1 GHz i5 iMac bested the previous high-end model, a quad-core 2.8 GHz i5 iMac, in every test. Notably, the 3.1 GHz iMac performed 16% faster in the Speedmark 6.5 test and 22% faster in Macworld’s iTunes encode test.

The results were mixed when comparing the new iMac to powerfully configured BTO models from last year. When pitted against a quad-core 2.93 GHz Core i7 BTO iMac from 2010, the new 3.1 GHz iMac performed about…