There are older AMD cards which support metal that aren’t on that list either, such as the SAPPHIRE Radeon HD 7950 Mac Edition. The AMD cards belonging to “family 2” are much more recent. That doesn’t surprise me that Nvidia cards aren’t part of “family 2” as Apple stopped dealing with Nvidia around 2012/2013. I don't know what specifically the Affinity apps need to provide metal compute acceleration, but clearly Apple has not been spending the time to make nVidia cards work with the full feature set of Metal. It looks like Metal support is divided into two basic GPU "families" by Apple right now: "family 1" offers less functionality than "family 2".įrom what little documentation I have been able to scrounge up, there are NO nVidia cards in "family 2":
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