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luxmark

  1. K

    2020 27" iMac with 5700 XT hangs on Luxmark benchmark. Anyone can run it?

    I've been trying to run Luxmark 3.1 on the iMac 2020 with Radeon Pro 5700XT. While it can do the default scene successfully, the two other scenes Neumann and Hotel hangs the entire machine. On Big Sur it crashes, but on Catalina the entire machine reboots. The default sphere scene gives a GPU...
    • koochyrat
    • Thread
    • 2020 5700xt crash hang imac luxmark
    • Replies: 3
    • Forum: iMac
  2. J

    Help with RX470 set up

    Mac Pro 4,1 with 5,1 upgrade 2 x 2.26 GHz 24GB RAM 10.12.3 I've just made my first attempt to install an RX470 into my machine and have met with partial success.... I was able to try out a Sapphire Rx470 8GB like this one. It is installed in Slot 1 and powered by a dual six pin to 8 pin...
    • Jackdown_101
    • Thread
    • 10.12.3 accelerate amd4100.kext gpu kext luxmark metal rx470 sierra upgrade
    • Replies: 4
    • Forum: Mac Pro
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