First New Apple iMac Benchmarks*

Disclaimer : Our — and others — review unit are not gamey remnant machines with Core i5 / i7 with high end ATI graphics , so we ca n’t speak for the top end of iMacs . Also , the charts above are not indicative of anything , whatsoever .

The 27 - inch iMac we ’re testing is a squeamish auto , but the specs—3.06GHz Core2Duo CPU with 4 GB of 1066MHz RAM and an ATI Radeon HD 4670 nontextual matter set up — are the line of descent low end parts for that size . And that chip is the higher end ( built to Holy Order ) C.P.U. of the premature generation . ( The graphics situation is eldritch . The ATI menu here is good than the blood line 9400 M NVidia frame-up of the old base 24 - incher but not better than the built to order ATI 4850 option ; the 4850 remains the top remnant choice for this generation ’s iMac , too . ) These quick trial result show a few changes , but , well , there are muckle of issues that nullify any meaning that can be understand beyond “ duh ” . ( Longer bar are in effect in both charts . )

First of all , XBench is just falling aside as a test these days , hold being revised a long time ago and take advantage of zero of the former OSX applied science . Also , from what we ’ve seen , XBench score take a hit in the openGL rendering on Snow Leopard , compared to Leopard . The unexampled machine seems dumb than the one-time 2.66GHz iMac we examine last year ( With OS X 10.5 ) in XBench in OpenGL and overall because of Snow Leopard , not the young computing equipment . Plus , Xbench is just really , really old . I do n’t really trust these outcome , especially ladder between two operating systems .

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second , we used Geekbench . Geekbench runs in 32 and 64 - bit modality in Snow Leopard and has been updated to take advantage of varying number of cores . ( It ’s multithreaded better than most software and not surprisingly given the elementary nature of a celluloid bench ) . As you’re able to see , though , Geekbench only tests effect system tests focusing around CPU / Math / Memory performance . And here , the faster chip has the reward , evidently in 64 - number musical mode , too . This is n’t surprising either and the numbers do n’t jump off the page .

So , you ’ll have to wait for us to test Core i5 / i7 motorcar with ATI 4850 graphics and — orchard apple tree willing — 16 GB of RAM before we can comment beyond the fact that this machine is pretty by 45 % than the last generation of iMac .

But , even if we had that auto , the quad core CPUs do n’t have enough package beyond aboriginal Snow Leopard apps to really take reward of the spare cores . There ’s always turbo mode , which bumps utilized kernel up in speed when software is n’t running across all four channels , but you ’re talking about chips that pass slenderly slower clocks than Core2Duos , so its up in the air how turbo that turbo can get .

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