15" rMBP - which i7? (2.2 vs 2.5 vs 2.8)

Discussion in 'MacBook Pro' started by DocTock993, Sep 1, 2014.

  1. DocTock993 macrumors newbie

    Aug 26, 2014
    I'm looking to get a new 15" rMBP (moving from a mid 2011 Air) and am up to deciding which i7 chipset to get.
    The most taxing use for me is Lightroom 5 for huge RAW images (from a Nikon D800).
    Other than 1 "active" Catalog at a time, I will use external HDD for image storage, so internal Flash can remain at the base 256Gig.
    I understand that Lightroom is CPU/ memory "hungry" and I do not need the dGPU version of the rMBP 15".
    However, I really do not know which i7 (2.2 vs 2.5 vs 2.8) would be the "best" for my needs?

    While I would strongly prefer, for travel weight/size reasons, to stay with an Air or rMBP 13", I'm thinking this 15" will remain my main/ only computer, and I plan on an external monitor in the future.

    Thank you in advance for any suggestions/ advice/ data-points.
  2. Samuelsan2001 macrumors 604

    Oct 24, 2013
    Architecture the same

    The architecture on all these is the same so any speed increase is literally down to the % so about 6-8% between each one. This will not make a massive difference in use so unless you want the dGPU then I'd stick with the basic.

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