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RX 460 and High Sierra... Where do we stand?

OEMPT said:
You must install a OEM Apple graphics card to be able to update the firmware... in my case I used the original ATI 5770 apple card that came with my mid 2010 Mac Pro 5.1. Firmware update runned flawlessly and booted back to Sierra to continue with the update to High Sierra.

Installing High Sierra went well, no hickups, I did keep in the 5770 in though. After the install and finally into High Sierra, checked if everything was working ok, did a reboot, etc.., and all was ok.

So then I shutdown the Mac, removed the 5770, replaced back the GIGABYTE RX 460 4gb, hooked up my triple monitor setup as I had before in Sierra (2 x QHD 2560x1440 on HDMi and DP outputs + 1 x 2048x1152 DVi output)... and booted the system. Blank screen throughout and no login screen afterwards. So suspecting that I needed to reboot again so that the drivers would activate for the new card (I recall having to do that when I first installed this card in Sierra), I did a hard shutdown on the button and rebooted. ALL OK ! Screen showed up for the login just as before on Sierra and all 3 monitors turned on and perfectly as before.

After testing the system further, playing some games (metal versions too)... all is ok! HS + RX460 Gigabyte rocks !
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I don't think a stock Apple card is really required.

I update my firmware with the 7950 Mac Edition card. Despite it's a Mac Edition card, I flashed it myself because I want to fine tune the voltage, memory clock, etc. Therefore, practically it's a flashed card, not Apple stock card, not official licensed Apple card either.
 
I updated the firmware on a 2010 cMP using an unflashed GTX 1080.
As h9826790 has stated, you definitely don't need an Apple card in there.
 
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dukebound85 said:
Any update? Does the 460 4gb work in high sierra?
Click to expand...

Yep!

screenshotrx460.jpg
 
dukebound85 said:
native support or did you need to hack things
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It's not native in that it is not an official Mac RX 460 EFI card.

It is still a PC non-efi card. But, it works OOB, plug it in and that's it. No editing KEXTS, or modifying anything.

The only caveats like any non-efi card is that you don't get a boot screen and About This Mac says AMD R9 xxx."

In High Sierra, the card even shows up now under System Report in PCI info. Whereas, prior in Sierra, it didn't.

PS--I had a GTX 1070 in there but after the HS supplemental update, I decided to keep the RX 460 in there, instead, since I don't wanna have to worry about swapping in and out GPU's every time there is an OS update, or have to wait for Nvidia web drivers, etc.... I don't really need the extra GPU horsepower of the GTX 1070 and RX 460 suffices my needs at the moment. I feel like GTX 1070 is only skin deep anyway. Like, look, I have a GTX 1070 in my Mac Pro kind of thing without it really benefitting me. I didn't notice it being faster when editing in FCP X, TBH, versus the RX 460.... So, I'm sticking with the RX 460 since it's less of a headache. Maybe, down the road, when RX 580 prices come down to earth, I'll pick one up.
 
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DPUser said:
I am running a Gigabyte RX460 4G GPU in my studio's trusty 4,1>5,1 hex Mac Pro. After having to use SwitchResX to get 60Hz 4k via Display Port to HDMI active adaptor when running early versions of Sierra, when testing 10.12.6 from another boot drive that had not been modified by SwitchResX I found that 60Hz 4k was supported natively from the RX460 DP output. So all is well at the present, but what does the near future hold in store?

My concern stems from reports I have seen suggesting High Sierra is not working properly with RX460 GPUs. I would appreciate i greatly if folks who have tested an RX460 with High Sierra let us all know what they have encountered. If possible, please specify HS OS (Beta) version and the version of the RX460 tested.

Thanks!
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Mac Pro 5.1 with HS & I can use an ASUS Radeon RX460 DUAL OC 2 GB GDDR5 AMD Graphics Card as a 2nd card only . It steadfastly refuse to boot the MacPro (need the helper card in a flashed XFX ATI7850 to ATI7950) to boot, then just switch the other monitor to see the screen. NO LUCK WITH THIS CARD
 

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Pablo0208 said:
Mac Pro 5.1 with HS & I can use an ASUS Radeon RX460 DUAL OC 2 GB GDDR5 AMD Graphics Card as a 2nd card only . It steadfastly refuse to boot the MacPro (need the helper card in a flashed XFX ATI7850 to ATI7950) to boot, then just switch the other monitor to see the screen. NO LUCK WITH THIS CARD
Click to expand...

Well, after using a GT120 to do the HS upgrade, my Gigabyte RX460 still works perfectly with a 3 monitor setup (apart from no boot screen).
 
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Summarizing to date, it seems established that the Sapphire and Gigabyte versions of the RX460 are working properly under High Sierra once HS is installed using an Apple EFi GPU.

Asus looks like a no-go so far.
 
one thing I noticed about the RX 460 cards, Gigabyte & sapphire only use half the lanes on a 16x lane socket, all the other use 16x lanes even though the RX460 cards are 8x lane .. I noticed this on images of each respective card
 
h9826790 said:
This is interesting, but did you perform any stress test and check the card's temperature? Flash a dual fans card's OC ROM to a fanless card seems a bit risky
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Photoshop and surfing operates well for about a week, and GpuTest software stress test for about 20 mins, the card's temperature is normal, Expansion Slots Fan is enough to cool the graphic card.Gigabyte Rx 460 designed with dual fans is only for customer's expectation, there is no practical value.

XFXmacPro.jpg
 
Joseph Z said:
Photoshop and surfing operates well for about a week, and GpuTest software stress test for about 20 mins, the card's temperature is normal, Expansion Slots Fan is enough to cool the graphic card.Gigabyte Rx 460 designed with dual fans is only for customer's expectation, there is no practical value.

View attachment 736862
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If can run Furmark for 20min. I will say it’s definitely good enough for daily use. No one expect to use a RX460 for any high performance job anyway.

This is a good finding of a true silent up to date OOTB GPU option.

Anyway, why flash the card? The original XFX ROM doesnt work with the cMP?
 
h9826790 said:
If can run Furmark for 20min. I will say it’s definitely good enough for daily use. No one expect to use a RX460 for any high performance job anyway.

This is a good finding of a true silent up to date OOTB GPU option.

Anyway, why flash the card? The original XFX ROM doesnt work with the cMP?
Click to expand...

The original XFX ROM does not boot in my 5.1 mac pro running High Sierra 10.13.1.

Does Furmark have a Mac edition?

1.jpg
 
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h9826790 said:
Furmark is hide inside Mac version’s GPUTest. However, you can only stress the GPU, but not monitoring the temperature.

For stress test and temperature monitoring. OCCT in Windows is still the best app IMO.
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While GpuTest software stress test, Open the computer case and monitoring the temperature by hand, no need for software just like the dual fans :D
 
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Joseph Z said:
While GpuTest software stress test, Open the computer case and monitoring the temperature by hand, no need for software just like the dual fans :D
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Haha, that’s true.

In fact, for a card like RX460, may be a single larger cooler really work better than a smaller cooler with 2 fans on top.
 
I have the sapphire 4gb card and it works great. Only thing I noticed is the fans ramp up during video or anything more intensive then basic surfing. Annoying, I repasted it but no dice. I can live with it but it isn't as silent as the 1050ti I took out to put into my sleeper pc.
 
I can confirm issues with the passive XFX RX 460 - it does not stop boot for me, and shows up with link x4 and metal yes in device information, but will not show any outputs.

I try to flash the noted Gigabyte ROM now and will report later.
 
Ummm...

10.3.2 broke sleep for me with my RX 460 and cMP.

There was no issue in 10.3.1 with sleep nor earlier, nor in 10.2.6 and earlier.

cMP doesn't go to sleep, lights will flash like it's asleep. But, the machine is still on. I also cannot wake it up from sleep and have to press and hold the power button to restart it.

I wonder if this is just a bug or Apple intentionally restricting and inconveniencing ppl with these cards since they're not official?

If it is a bug, will it get fixed?

And, if it Apple's intention, then it means, indeed, "it was too good to be true."

My cMP, is acting like a hackintosh, now. :(

PS--Oops, when I said 10.3.2 or 10.3.1 in my post above, I meant 10.13.2 or 10.13.1....
 
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namethisfile said:
Ummm...

10.3.2 broke sleep for me with my RX 460 and cMP.

There was no issue in 10.3.1 with sleep nor earlier, nor in 10.2.6 and earlier.

cMP doesn't go to sleep, lights will flash like it's asleep. But, the machine is still on. I also cannot wake it up from sleep and have to press and hold the power button to restart it.

I wonder if this is just a bug or Apple intentionally restricting and inconveniencing ppl with these cards since they're not official?

If it is a bug, will it get fixed?

And, if it Apple's intention, then it means, indeed, "it was too good to be true."

My cMP, is acting like a hackintosh, now. :(
Click to expand...

I think Hackintosh work better in some case, they can easily run any non flashed Nvidia card, can use 8700K and OC it, also very easy to boot from NVMe SSD.

Anyway, if I were you, I will just report it to Apple. I reported a Handoff issue to them. Even though they told me my Mac is not suppose to support Handoff, but they do indeed try to fix it.
 
h9826790 said:
I think Hackintosh work better in some case, they can easily run any non flashed Nvidia card, can use 8700K and OC it, also very easy to boot from NVMe SSD.

Anyway, if I were you, I will just report it to Apple. I reported a Handoff issue to them. Even though they told me my Mac is not suppose to support Handoff, but they do indeed try to fix it.
Click to expand...

How do you report it? And, if I mention sleep is broken with RX 460, they'd be like, of course, it is?
 
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