570 vs 575 performance?

Discussion in 'iMac' started by AndyR, Aug 2, 2017.

  1. AndyR macrumors 6502a

    AndyR

    Joined:
    Dec 9, 2005
    Location:
    Auckland, New Zealand
    #1
    Looking at picking up on the 2017 27" iMacs as a family PC but with a heavy slant towards my usage. Will be targetting the base or mid tier models and changing the fusion for a 512GB SSD, but I am unsure on the performance difference of the 570 vs 575.

    Photo/video editing I get it will be totally fine on either one, but I do occasionally like to game and have a pretty large steam backlog from years ago so would like to occasionally get through these in bootcamp. Nothing AAA here as all my current gaming is via console, but wondering what is the gaming performance like on the base 570 vs the mid 575? 1440p I guess is the sweetspot on this display too?

    The 580 is out my price range at pushing NZD$4500 here with SSD which is too much.
     
  2. Larabee119 macrumors newbie

    Joined:
    Sep 16, 2014
    #2
    I'm using the 570 right now. It's a stripped down version of the desktop RX 570. the 570 pro in the iMac only has 28 Compute Units. It runs at 1000Mhz and works just fine. I'm playing League of legends with solid 70-100 fps at 1440p.
    I ran out of cash so I opted for the base model with 1TB fusion drive then use the thunderbolt USB 3 for external SSD.
    Works great with photoshop / illustrator and final cut pro.
     
  3. HiFiGuy528 macrumors 68000

    HiFiGuy528

    Joined:
    Jul 24, 2008
    #3
    I went for 580 with 2TB Fusion Drive. GPU is the single thing you can't replace even if you open the iMac up in the future.
     
  4. Foxglove9 macrumors 65816

    Foxglove9

    Joined:
    Jan 14, 2006
    Location:
    New York City
    #4
    I'm running the 570 for a few days. The few Steam games I tried looked crisp and played well. Most indie games I tried the fans never even kicked in.
     
  5. Larabee119 macrumors newbie

    Joined:
    Sep 16, 2014
    #5
    It runs just fine and stays cooler. Of course it's much weaker than the 580. You can save money and go with Akitio node, resulting in less heat inside the imac and more performance when paired with and 1080 for gaming.
     
  6. Ejkjr macrumors newbie

    Joined:
    Sep 23, 2014
    #6
    My question is does it matter if the next Mac OS will allow for an external video card to be hooked up.
     

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