Apple Outlines Metal-Capable Cards Compatible With macOS Mojave on 2010 and 2012 Mac Pro Models

Apple officially accepting that people upgrade the hardware inside Macs, accepting (and in fact supporting) that non Mac cards (i.e. PC cards) that don't show boot screens can be used, and officially supporting an OS version on third-party hardware upgrades (in fact requiring those upgrades) - all pretty much unprecedented in the history of the Mac.

A very clear admission from Apple themselves that the "trashcan" Mac Pro has been a dismal failure, as there is no way they would have even considered supporting a new OS on 5 to 8 year old hardware that requires a third-party upgrade designed for PCs under normal circumstances...

Awesome. I can either stay on an older system, or replace my video card with a much, much less capable card. What to do...

Hackintosh.

Should be obvious.
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Pre sure a 2080ti would stomp anything on that list, metal or no metal

Even a regular non-Ti 1080 would stomp all those cards. It's amazing how Apple is so cheap on the GPU end yet it hypes up their graphics so much. Hilarious.

man this is confusing... I did some reasearch and some of these cards look like they are not expensive on amazon but I do not know for sure if they are the versions supported by OSX.

I’m sure it won’t be long before the industrious cMP community confirms compatibility. I had a non-flashed 7870 in my flashed 2009, and I’m pretty sure Metal support said yes. I don’t have my cMP anymore, so I can’t confirm.

So... when Apple says the "MSI Gaming Radeon RX 560 128-bit 4GB GDDR5" and the "SAPPHIRE Radeon PULSE RX 580 8GB GDDR5" cards are Metal-capable, does that mean they are 'generic' cards, not 'flashed' or whatever is done for the other 3 "Mac Edition" cards?

Yes, these are not "mac edition" cards, so no boot screens, which may or may not be an issue (for me it's not). I got an RX 560, worked out of the box, drivers are included in 10.13.6 and Mojave. The 560 is perfect for my needs, doesn't need power, and is very cheap. :)

Unless the GM changed something, Mac Pro 2009's updated to 5,1 with a compatible card have been working since beta 2. Extremely long thread (22 pages at posting): https://forums.macrumors.com/threads/official-mojave-mac-pro-metal-gpu-card-list-finally.2124795/

Awesome. I can either stay on an older system, or replace my video card with a much, much less capable card. What to do...

Any of the cards recommended by Apple will absolutely murder the Radeon 5870, which was the best card shipped in these computers.

With that said, I'm keeping my 5770 and not upgrading to Mojave because my specific use case for my Mac Pro requires that I run Snow Leopard natively(not virtualized).

Yep. So sad. It's the single reason I have been driven away from Apple Desktops.
I now run a water cooled PC with absolutely incredible performance. Every component is the best you can buy, and it probably still cost less than the Mac Pro.
Definitely less than the iMac Pro....

Each to their own.. but everyone should be able to agree.. Apple GPU offerings are terribly behind

I jumped ship on the desktop end about 4 years ago. Built myself a Hackintosh instead. Paid about 1/4 the price of an iMac and got about twice the performance and a whole slew of upgrade options. Not to mention; a GTX 980. Sure, it's a bit dated, but STILL holds it's own against whatever garbage Apple sells.

Only thing I need to do now is to sell my 2012 MacBook Pro and completely cut off Apple from getting any more money from me.

My 2009 flashed 5,1 with GTX 770 works... after a SCARY firmware update with no bootscreens... LOL.

I put a SAPPHIRE Radeon PULSE RX 580 8GB GDDR5 in my 2010 MacPro 5,1 over the weekend. This replaced the ATI Radeon that was original to it. $240, and it like having a new computer. Updated to Mojave today. Everything works great… Lightroom is much snappier, as is Final Cut.

This was out of the box, unflashed. I don't get the initial Apple logo on boot, but once the OS is loaded everything works as expected.

Yes, these are not "mac edition" cards, so no boot screens, which may or may not be an issue (for me it's not). I got an RX 560, worked out of the box, drivers are included in 10.13.6 and Mojave. The 560 is perfect for my needs, doesn't need power, and is very cheap. :)

Okay! My RX 580 arrived today, as did a separately ordered Dual Mini 6 Pin Male to 8 Pin Male cable.
I had previously updated my firmware in preparation for Mojave, but once I installed the card and hit 'install' it decided it wanted to do the firmware update again. Who was I to argue?

A couple of hours later - inclusive of some software updates for Mojave compatibility - I'm up and running again. As my Mid-2012 Mac Pro started life with the 1Gb ATi 5770 (stock) card and now has as 8Gb RX 580, there is a considerable difference in speed and, tellingly, fan-quietness and overall cooler temperatures.

It's crazy! The fans often slow down to virtually nothing as the RX 580 seems so thermal-efficient. My old, 5770 card was always throwing up heaps of iStats alerts that PCI slot 1 has “exceeded 75 degrees (Celsius) for over 10 seconds”. This occurred whenever a re-draw was happening - even when opening finder windows with lots of files!

I suppose 8Gb of memory (as opposed to 1Mb) makes a massive difference to load.

Thanks for those folks here who offered advice and assistance - the whole process ended up up being quite painless. My ol' Mac Pro is a beast again!