New Airs Announced

Discussion in 'Apple' started by Michael_K_Sr, Jul 20, 2011.

  1. Michael_K_Sr

    Michael_K_Sr Screenwriter

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    Macworld with the goods before the store was even back up. i5's and i7's! Only question...how fast can I get one??
     
  2. Carlo Medina

    Carlo Medina Executive Producer

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    Apparently it ships in 24 hours according to the site. I bet the Apple stores either have them today or within 1-2 days max. The new MInis look very capable as well. I still am holding out hope for a new Mac Pro soon. I still think that a Mac Pro with internal RAID setup (not buying the extra RAID card, just using the native OSX RAID support) is better than a Mini with a Promise Thunderbolt RAID array. A maxed out Mini + Promise RAID = $2500, I think I'd rather have a stock Pro at about the same price and stick in three HDs into the empty bays.
     
  3. Sam Posten

    Sam Posten Moderator
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    In store tomorrow. I'll report back if I can. If I'm not seen by thursday send the dogs out after me!
     
  4. Dave Scarpa

    Dave Scarpa Producer

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    Even thoubi have a maxed out 2010 13" air I,ve wanted an 11" so I ordered the $1199 model. It should be he Friday but I,m currently on vacation in Wildwood NJ so I won't be around to get it
     
  5. Sam Posten

    Sam Posten Moderator
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    Haven't been able to get to a store yet but I'm having second thoughts. For two reasons: -Glossy. -I already have a working laptop and really want to upgrade the Mac Pro first. Will see if I survive the trip to the store or not.
     
  6. DaveF

    DaveF Moderator
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    If, like The Doctor, you live in non-sequential time, you can buy your MacBook Air tomorrow second, so long as you make a note to buy a Mac Pro first at some later date... :)


    Just trying to help out.
     
  7. Keith Plucker

    Keith Plucker Screenwriter
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    FYI, Barefeats has a few benchmarks up on the new Airs.


    http://www.barefeats.com/mba11_02.html


    -KeithP
     
  8. DaveF

    DaveF Moderator
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    They missed the obvious takeaway in their summary: their benchmarks are basically GPU tests, as the 2.3 GHz i7 crushes the 2.7 GHz i7 in every test. I did learn that Handbrake offloads to the video card; that's new to me.
     
  9. Keith Plucker

    Keith Plucker Screenwriter
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    Certainly anything that is GPU accelerated will perform better on the 15" MBP. However, the 2.7 GHz i7 in the 13" model is a dual core chip with 4MB L3 cache. The 2.3 GHz i7 available on the 15" is a quad core chip with 8MB L3 cache (the Air CPUs are also dual core chips).


    Any app/benchmark that makes use of those two extra cores is going to perform better on the 2.3. Also, I don't believe the 2.7 has Intel's turbo boost, although I could be wrong about that, so if the app isn't pushing all cores the speed on the 2.3 will bump up to a possible maximum of 3.4 Ghz giving it an edge as well.


    -KeithP
     
  10. DaveF

    DaveF Moderator
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    The only differentiator I saw was the GPU (emphasis added). Is it implicit that that the 2.7GHz is a lower-cache 13" model compared to the 2.3 GHz?



     
  11. Keith Plucker

    Keith Plucker Screenwriter
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    Assuming wikipedia is accurate...


    The 2.7 is this chip:

    http://ark.intel.com/products/52231/Intel-Core-i7-2620M-Processor-(4M-Cache-2_70-GHz)

    (this does feature turbo boost as it turns out)


    and the 2.3 is this chip:

    http://ark.intel.com/products/52227/Intel-Core-i7-2820QM-Processor-(8M-Cache-2_30-GHz)


    So they both have the same max turbo boost frequency, 3.4Ghz. The big differences seem be the cache, 8M vs 4M, and the cores, 4 cores/8 threads vs 2 cores/4 threads.


    -KeithP
     
  12. DaveF

    DaveF Moderator
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    Thanks for the additional info. With that and other conversations elsewhere about the i7 chip, my impression is you really got to do some homework before buying an i7-system, since performance can vary greatly depending on which variant you get.
     

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