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Xenobius

macrumors regular
Original poster
Dec 10, 2019
193
475
Any signs/rumours of Radeon RX 7900 XT drivers for macOS?
 
Would the 7,1 even be able to power it out of the box? Rumors have said it's a 450 watt card - as far as I can tell, without MPX, the Mac Pro can only supply a max of 375 watts.
 
Mac pro 2019 has 4 8 pin PCIe power connections, so i think it will be fine, plus a 1.4kw PSU

Taken from OWC website.

In addition to the power provided directly by the PCIe slot, the Mac Pro also provides four 8-pin AUX power connectors that each provide 150W of power and one 6 pin AUX power connector providing 75W of power.
 
I reckon it will happen.
If we look back to drivers released, 5000 and 6000 series, my bet is May to July 2023. Anything before April would be very not Apple.
 
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I didn't want to wait for apple to decide, i can always pick one up later if they do, it depends if apple want to support a card that will be beating the AS mac pro or not. so will stick with my 6900XT for now but will be adding a 4090fe for windows work as it fits.

it will also be powered via an external corsair SF-750w psu and the corsair cable will come through one PCIe slot to power it as 3 x 8 pin already connected to 6900XT as my 2019 mac pro never moves an easy solution. and when in Mac OSX i can turn the card off.
 
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It’s possible Apple could release drivers for the RX 7900 GPUs, but I wouldn’t count on it unless AMD releases a workstation variant of Navi 31 such as the W7900 and then Apple decides to make an MPX version as W7900X. I don’t think there were RX 6000 series drivers in macOS until the W6800 showed up.

I was looking to see if there are any unidentified Navi 31 device IDs in AMD's Windows drivers and there isn't. There is only 0x744C, which is the RX 7900 XT & XTX.
 
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Why checking windows drivers, if it would make more sense, to check the amd drivers on macOS.
You can check for the device ID in the macOS beta releases, but device IDs for unreleased GPUs will make it into Windows & Linux drivers before macOS. So that's a good place to check for upcoming GPUs such as the W7900.

I'm guessing a Navi 31 workstation GPU will be released sometime this winter or in the spring. Therefore a safe estimate for macOS drivers, if they are coming, is probably late spring.
 
Parts of the Navi 31 drivers can be found in the macOS drivers since 2 years...

True, though they were just placeholders in the code.

I don't think the new MP will accept any GPU from AMD, nVIDIA or intel. I bet the PCIe slots will be used for accelerators such as the old Afterburner, new Neural accelerators and other similar solutions.

Regardless, the old MP users deserve the chance for an update such as Apple W7900 XTX/7800 XT cards with drivers that we can spoof to use the commercially available ones, as it happens with the current generation. 8)
 
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Where did I say that it's the guarantee that they will come or something like that? I mentioned that a part of the code is over 2 years in macOS, because the guy before my post wrote that IDs are way more before macOS listed under Windows and Linux. Nothing more, nothing less. @askunk
 
No harm done. I wasn't criticising anything or anyone, just adding info to the conversation and my humble opinion.

I just hope they will allow at least the old MP users to upgrade to new-generation GPUs. I wouldn't expect Apple to support the intel machine any longer than that. However, it would be really unbelievable that people spent 50k$ for a "modular" computer that cannot be upgraded.
 
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