iMac Late 2015 27" 5K Impressions

Discussion in 'iMac' started by AusMacFan, Oct 15, 2015.

  1. AusMacFan, Oct 15, 2015
    Last edited: Oct 19, 2015

    AusMacFan macrumors member

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    Jul 31, 2010
    #1
    So after much waiting and deliberation, I have just purchased a new 27" iMac. The model I bought was the highest stock configuration, 3.3Ghz i5, AMD m395, 2tb fusion drive etc.

    Originally, I wanted to get this config but swap out the fusion drive for the 512gb SSD, but for whatever reason my education discount was even more in store than it was online ($410 off vs $280). This meant that upgrading to SSD would have cost me approximately $400 more (after discounts), and that is not even considering the cost of a good external 2TB drive I would inevitably get as a media drive. I did this knowing that the apple store has a 14 day return policy so that if I found the fusion drive to be too limiting, I could always bring it back and get the higher model.

    Anyway, here are my impressions so far:
    • The screen is beautiful, as we all knew it would be. I very fussy with displays, but the screen calibration is really nice, unlike my early 2013 rMBP which had an overly-cool white point straight out of the box and a gamma which was too high.
    • The fusion drive has been good so far. It boots slightly slower than my rMBP (with upgraded OWC ssd), but launches applications noticeably faster. Black magic benchmarks it at about 700mB/s read and write, which is honestly a bit concerning as the new SSD's are supposed to bee much speedier than that. [EDIT] further testing suggests that read speeds are more along the lines of ~1500MB/s as others have mentioned with their new fusion drives.
    • Performance is generally good, I haven't noticed any stuttering so far.
    • The new keyboard feels strange. I have seen reviewers say that it doesn't have less travel than the previous wireless keyboard, but I disagree. To me it feels a lot like the keyboard in the new macbook. Honestly I kind of like the feeling, but time will tell if I keep using it or swap it out for something else.
    • I am not a fan of the new magic mouse, just like I was not a fan of the older one. To me, the biggest problem is the plastic material they use on the top of the mouse; it's just not frictionless enough, and I could see myself really liking the mouse if it had a smooth glass top.
    Honestly my biggest complaint with the computer is that the bezels are just so large! I have a feeling that we may see a redesign when Intel releases Kaby Lake, and if that happens I will probably sell this one and upgrade; yet another reason why I didn't want to spend a whole lot on it.

    I will be keeping an eye on the benchmarks for the new ssd models. If they tend to be noticeably faster I might change my mind about the fusion drive, but so far it has been pretty great.
     
  2. MandiMac macrumors 6502

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    Feb 25, 2012
    #2
    Great for you!
    Do you happen to have Steam or any other game-related stuff, and are you satisfied with the performance there?
     
  3. Nismo73 macrumors 6502a

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    Jan 4, 2013
    #3
    Education discount was more in store than online? This is in the US?
     
  4. maflynn Moderator

    maflynn

    Staff Member

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    #4
    I know that many schools sell computer equipment and its less then if purchased it online from apple. Perhaps the OP bought it from his school's store.
     
  5. Buerkletucson macrumors 6502

    Buerkletucson

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  6. AusMacFan thread starter macrumors member

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    #6
    I have a dedicated gaming PC which is a few years old at this point, but the graphics cards were recently updated and it would absolutely cream even the top BTO iMac, so honestly I haven't even installed steam. If I did play any games it wouldn't be anything demanding.

    This is from an apple retail store in Australia. Honestly I was pretty shocked and checked the online education store straight after; sure enough it was far more discount in store.
     
  7. Richie2000 macrumors 6502

    Richie2000

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    #7
    Good to see some initial thoughts.

    The Fusion Drive performance does seem lower than I would have expected too. Could it be due to Spotlight indexing and it may pick up speed once completed?
     
  8. scottish macrumors 6502a

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    #8
    The UK edu store has two levels of discount, wonder if it's the same in Australia?
     
  9. AusMacFan thread starter macrumors member

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    Jul 31, 2010
    #9
    Possibly. I'll do another test in a couple of days to see if there's any difference.
     
  10. eoren1 macrumors 6502

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    Aug 17, 2007
    #10
    With talk of gamma, did you try to hardware calibrate the screen? I'm wondering if you can judge how well it does in the Adobe RGB color space. Reviews so far haven't touched on how good the screen is in anything other than sRGB or the new DCI-P3 spaces.
     
  11. kazmac macrumors 601

    kazmac

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    #11
    Thanks for the review AusMacFan. Congratulations on the added educational discount bonus too.
     
  12. AusMacFan thread starter macrumors member

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    Jul 31, 2010
    #12
    I have an x-rite colorimeter so I'll give it a check with dispcalgui when I get a chance. The display does have a pre-configured Adobe RGB profile though.
     
  13. JeroenDebruyne macrumors member

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    Jul 6, 2011
    #13
    How is the fan noise and heat compare to the older model?
     
  14. eoren1 macrumors 6502

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    Aug 17, 2007
    #14
    That's great to hear AusMacFan! No one has commented on the pre-configured profiles. Can't wait to hear what you find with the colorimeter. Thanks!!!
     
  15. fathergll macrumors 6502a

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    Sep 3, 2014
    #15
    That was similar to my reasoning for purchasing my stock configuration 2014 retina iMac. They were selling stock config iMacs a month after they were released for $200 off with no tax and free shipping. So upgrading to a custom order 256 SSD option was like $400 extra and 512 SSD would have been around $600 extra.


    You could end up spending in the low $2k range or the mid $3k range and not get that much of a different experience depending on your needs. That’s half the purchase price just to get some marginal gains. In some cases it’s absolutely needed(especially for work) but many times it’s not.
     
  16. Gr81MB macrumors 6502

    Gr81MB

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    #16
    How is the backlight bleed on these models? Still the same as the late 2014 5k iMacs?
     
  17. AusMacFan thread starter macrumors member

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    Jul 31, 2010
    #17
    That's something else I should have mentioned in my original write up. I have been very, very happy with my panel. There is almost no light bleed apart from a gradual bleed in the bottom right corner, which difficult to notice even when the display is showing a black image at full brightness in a pitch black room. I know bleed has been an issue with other 5k iMacs, and even my mother's 2013 21.5" has pretty bad bleed, so I may end up keeping the fusion drive model for the panel alone!
     
  18. 3587 macrumors 6502a

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    Mar 23, 2008
    #18
    Nice. I just pulled the trigger on the 27" iMac 5K i7 4.0GHz/32GB RAM/512SSD. I'm pumped for the retina display...
     
  19. loekf macrumors 6502

    loekf

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    Nijmegen, The Netherlands
    #19
    You won't regret it. The first time you're working behind this screen... it's amazing.. true beauty.

    I'm typing this from the new keyboard I bought for my 2014 model. Like the topic starter mentioned it's kind of strange. The keyboard is quite flat and the keys have much less travel (depth). It's an interesting design decision from Apple. It's like typing (indeed) on a notebook or Macbook (Air ??). However, the layout is better I think than the old model.

    Magic Mouse 2 is nicer than the old one. The clicks feel firmer I think.

    Pairing is simple. Cable in, connect and done. Keyboard indeed still works when connected.
     
  20. 3587 macrumors 6502a

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    #20
    I'm excited!
     
  21. richpjr macrumors 68030

    richpjr

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    #21
    Thanks for the mini-writeup. That is likely the exact same configuration I will get.
     
  22. AusMacFan thread starter macrumors member

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    Jul 31, 2010
    #22
    Do you know what software I can use that will give me % coverage of colour spaces? i1 Profiler and dispcalGUI will only let me profile/test against srgb.
     
  23. 3587 macrumors 6502a

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    Mar 23, 2008
    #23
    Can you use the keyboard without having Bluetooth turned on if the Lightening cable is attached? I get too much interference with my other mouse, so it's the only BT device I can have.
     
  24. loekf macrumors 6502

    loekf

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    Mar 23, 2015
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    #24
    Yup, should work. If the keyboard is plugged in and charging, it works wired, not via BT.... if you check the BT config panel you see it's inactive, but it's still working. I didn't try to switch off BT. My mouse and touchpad still work via BT.
     
  25. halfcamerageek macrumors member

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    May 31, 2011
    #25
    There are some tools that allow graphical comparison of ICC profiles. ICCView.de is a free one. Share your profile .icc file somewhere and I'll work on it.

    I'm on the fence about the new iMac. The improved color gamut was one of my past dealbreakers, so now I'm very much interested in knowing how capable the new LCD panel really is.
     

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