MP 1,1-5,1 AMD Radeon RX 5700

[joevt]

Thunderbolt 3 on the 2018 MacMini maxes out at 5GB/s. The PCIe 2.0 x16 on the 2010 MacPro maxes at out 8GB/s. Assuming the 5700 XT can even utilize the full bandwidth, you're better off on the PCIe bus.

Thunderbolt 3 maxes out at 22 Gbp = 2750 MB/s (PCIe data, the rest of the 40 Gbps can be used by DisplayPort). PCIe 2.0 x16 maxes out at around 6GB/s (don't forget there's overhead). There are some GPU benchmarks that show Thunderbolt has worse performance than PCIe 3.0 x1 (900 MB/s) because of latency - therefore eGPU performance loss is less when the resolution is higher (make the GPU do more work with the data you send it). Visit egpu.io for more info.

2015 15" Dell Precision 7510 (Q M1000M) [6th,4C,H] + GTX 108...

There is no denying that a TB3 eGPU can dramatically improve application processing speed as can be found by many examples on this forum. Gaming on th...

egpu.io

Page 17 | A Call For Measurements: Isolating the Thunderbolt...

Page 17 | I was thinking about this, and I think I came up with a way to test the effect of Thunderbolt 2 and/or Thunderbolt 3 on GPU performance. I h...

egpu.io

eGPU Performance Loss - PCI Express vs. Thunderbolt

This is the question that many users wants to know: How much performance drop of my Video Card i will have if i put it in the eGPU with Thunderbolt 1,...

egpu.io

etc.

 

[overshoot]

Isn't Thunderbolt 3 maxing out at 40Gb/s?

I believe so that the eGPU in the MacMini, especially because the CPU is way faster, will out perform the MacPro5.1

EDIT: I missed joevt answer.
I heard the loss depends on what software you are using and what kind of treatment it's doing. If there is a lot of going back and forth between the GPU and Mac, therefore PCIe on the MacPro could be faster. But in terms of gaming, the eGPU is supposed to beat the PCIe from the MacPro, especially if you are using a screen directly connected to the GPU.

 

[jgleigh]

That's absolutely not true. The biggest bottleneck is how fast the decade old Westmere processor can feed the GPU data. A new Mac mini with an eGPU will be faster than the ancient Mac Pro in pretty much all instances.

The answer is it really depends on which Mac Mini vs which MacPro you're comparing and which apps you're running. The two setups are remarkably close. I really hope Apple releases a seriously upgraded Mac Mini (or mini tower), so I can finally ditch my ten-year-old MacPro.

2018 Mac mini - replace Pro Macs?

real world speed test results for performance minded Macintosh users

barefeats.com

 

[star-affinity]

What score do you get using Unigine Valley in extreme preset please?
I would to compare that with the one I got using the MacMini + 5700XT.

I am sure it will be a huge improvement however I am really kine on knowing what kind of bottleneck we can get.
For instance, will there be any different between the RX 5700 and RX 5700 XT?!

 

[overshoot]

Your CPU is slightly faster than mine and our GPU score are close too.
I was told by one a well known forum user that this test was not accurate as we are not using the maximum preset in full screen mode.
[automerge]1593494401[/automerge]

The answer is it really depends on which Mac Mini vs which MacPro you're comparing and which apps you're running. The two setups are remarkably close. I really hope Apple releases a seriously upgraded Mac Mini (or mini tower), so I can finally ditch my ten-year-old MacPro.

2018 Mac mini - replace Pro Macs?

real world speed test results for performance minded Macintosh users

barefeats.com

The thing is this post was made in 2018 and since then, drivers and eGPU support have improved so I am not sure it is still relevant.

 

[star-affinity]

Your CPU is slightly faster than mine and our GPU score are close too.
I was told by one a well known forum user that this test was not accurate as we are not using the maximum preset in full screen mode.
[automerge]1593494401[/automerge]


The thing is this post was made in 2018 and since then, drivers and eGPU support have improved so I am not sure it is still relevant.

Yeah, pretty close results.

Maybe a good idea to run it full screen then. I'm also think running OpenGL for testing isn't showing the GPU on its best side in MacOS. Would be better with a Metal bench mark. I also think the results would be dramatically higher in Windows using DirectX. I can try to make a test run there too.

 

[overshoot]

Here are the 2 benchmarks done in Extreme HD settings to get a better idea of the performance between my old but still kicking GTX780 and the newer RX5700. The improvement is not huge, most likely because of my CPU and the bottleneck it's creating but I feel ready for the next macOS release.

 

[Grumply]

Personally, it's not about the money or time or even level of difficulty - I prefer to keep my mac pro's hardware original. AMD's lineup of 5700 Navi cards (5700/5700XT/5700XT-AE) are all safe to use in the mac pro without pixlas mod. AMD's reference cards are better in quality than partner or AIB models. I do however recommend an EVGA PowerLink to balance the load from the 2 mini-6s.

Can anyone confirm this? Is powering the 5700XT from just the mini 6-pins okay?

 

[overshoot]

Hi guys,

Quick question for you.
I bought a Radeon RX5700 from macvidcards on eBay and once I received the card I was greeted with a paper saying that I should stay on 10.15.4 or I would experience KP with the RX5700 card. Unfortunately I was already running 10.15.5 and even now 10.15.6.
They gave a workaround to downgrade the Radeon kext (can’t remember which one) to fix the issue. I was able to do it and the MacPro stopped KP at boot however I did experience frequent freeze which did not happen with my GTX780. I went back to my old GTX780 as I can’t stand the freeze anymore and so far so good.

So my question is:
Is this a known issue or Could it be related to the card being flashed?
Do you have a good experience with the RX5700 and opencore on the MacPro 4.1/5.1?

thanks!

 

[flowrider]

^^^^I'm on a NcMP 7,1 and use the Aorus RX5700XT. Worked fine in 10.15.5 and 10.15.6 has many stability improvements and have not had any issues with the RX5700XT.

Lou

 

[nofxrs]

Hi guys...
Ive a rx 5700 xt
But my evga powerlink has not arrived yet...

tried to plug two mini 6 to 6 adapted to one 8 pin end - no signal

1 mini 6 pin to 6 pin to the card + 1 mini 6 pin to 6 pin + attached to the “y” 6 pin to 8 pin on the card... doesn’t work either...

is this because of the improper power balance?

for illustration purposes ive attached the y cable i do use with my rx580 as u can see in the picture....


I can see (hear) the system loading on the back...

was thinking it could work,under no stress, did just to make sure the used card wasnt dead...

any suggestions on this?
How are u ACTUALLY powering the card?

 

[tommy chen]

running the last catalina?

 

[nofxrs]

running the last catalina?

catalina, yes...
Havent done the latest security update though

 

[macrumorsnumpty]

Hi guys...
Ive a rx 5700 xt
But my evga powerlink has not arrived yet...

tried to plug two mini 6 to 6 adapted to one 8 pin end - no signal

1 mini 6 pin to 6 pin to the card + 1 mini 6 pin to 6 pin + attached to the “y” 6 pin to 8 pin on the card... doesn’t work either...

is this because of the improper power balance?

for illustration purposes ive attached the y cable i do use with my rx580 as u can see in the picture....


I can see (hear) the system loading on the back...

was thinking it could work,under no stress, did just to make sure the used card wasnt dead...

any suggestions on this?
How are u ACTUALLY powering the card?

This is really frustrating. What happened in the end? Did you solve this?

 

[caxias_Brazil]

Hi guys...
Ive a rx 5700 xt
But my evga powerlink has not arrived yet...

tried to plug two mini 6 to 6 adapted to one 8 pin end - no signal

1 mini 6 pin to 6 pin to the card + 1 mini 6 pin to 6 pin + attached to the “y” 6 pin to 8 pin on the card... doesn’t work either...

is this because of the improper power balance?

for illustration purposes ive attached the y cable i do use with my rx580 as u can see in the picture....


I can see (hear) the system loading on the back...

was thinking it could work,under no stress, did just to make sure the used card wasnt dead...

any suggestions on this?
How are u ACTUALLY powering the card?

Pixlas Mod man!
I found a Mac 5.1 abandoned in an old veterinary clinic that became a restaurant here in Rio de Janeiro and I am doing the upgrades. One of them will be PIXLAS MOD.

 

[star-affinity]

Anyone here with RX 5700 XT seeing this behaviour in Safari and YouTube on Big Sur 11.1?

Safari_YouTube_lag_in_Big_Sur.m4v

Shared with Dropbox

www.dropbox.com

Just moving the mouse cursor in and out of the video causes it to freeze/pause at times.
I'm on an unsupported MacPro5,1 so feel I can't really report it to Apple unless it also happens on supported setups.

Edit:
OK, now I can't reproduce it anymore – might have been something temporary. Hmm…

 

[h9826790]

Anyone here with RX 5700 XT seeing this behaviour in Safari and YouTube on Big Sur 11.1?

Safari_YouTube_lag_in_Big_Sur.m4v

Shared with Dropbox

www.dropbox.com

Just moving the mouse cursor in and out of the video causes it to freeze/pause at times.
I'm on an unsupported MacPro5,1 so feel I can't really report it to Apple unless it also happens on supported setups.

You can report that to Apple indeed. My Mac Pro 2009 never support Mojave, never support to flash to 5,1, never support HWAccel.

But I keep reporting many issues to Apple. And they do reply my report.

However, it doesn't mean that they will fix it. It all depends on if that's the problem which they want to fix.

In fact, sometimes, reports may make it worse.

e.g. in 10.14.0, we can do H264 hardware decoding natively (with some limitation), and no HEVC HWAccel support. So I report that, and they end up remove all H264 HWAccel for cMP in 10.14.1.

Since your issue may not be specifically cMP related. If that's Safari, or 5700XT driver related, most likely they will be interested.

 

[star-affinity]

e.g. in 10.14.0, we can do H264 hardware decoding natively (with some limitation), and no HEVC HWAccel support. So I report that, and they end up remove all H264 HWAccel for cMP in 10.14.1.

Haha, really?!
Spending time to do a report and it makes things worse… Too bad.

Since your issue may not be specifically cMP related. If that's Safari, or 5700XT driver related, most likely they will be interested.

Yeah, I'll give it a try I think. I must say I kept reporting the Kernel Panics upon wake I was getting in Catalina on my MacPro5,1 and it seems fixed for me in Big Sur. But very similar KPs was happening for people with supported hardware too, so...

It's just that I sometimes feel one spends so much time making these reports to Apple and and there's always new stuff popping up… Is it really any worse in Windows 10? I mostly use that for gaming, but I don't think I really jump into bugs in the same way as in Apple's OS. Well, except for when nothing happens when clicking on the Start menu.

I guess it's probably due to me not using Windows as extensively.
Sorry for derailing...

I can at least say I can't report the problem in Safari and Big Sur 11.1 on a MacBook Pro 13" (Mid 2018) with Intel graphics.

Edit:
OK, now I can't reproduce it anymore – might have been something temporary. Hmm…

 

[xy-maps]

I installed the smaller one in my MacPro 5,1, but based on the available room the Red Dragon should also fit.

View attachment 904931

Have you guys experienced any problems with the RX 5700 XT?

I have an RX 5700 XT DualFan from PowerColor (as seen in the quote) and a Sapphire RX 5700 XT Nitro+.
With both cards, the power supply and PCI slot fans jump to maximum speed after booting. I haven't heard of anyone having this problem with the XT 5700 XT?

I'm just surprised that I have this with both cards, they can't both be defective by chance?!

I also have the problem that under Windows all games crash with the RX 5700 XT as soon the 3D graphics are loaded and the machine freezes with a black screen. (Tested with the current and experimental AMD drivers).

I use the Pixlas mod on a cMP 4.1(5.1) with OpenCore under Catalina/Windows10. So far I had no problems with the fans or Pixlas Mod with my RX580 Nitro+ which also has an 8PIN and 6 Pin connector.

I know there are third party programs with which you can at least throttle the fans but would be interesting to know if others also have this problem with exactly these cards?

 

[star-affinity]

I also have the problem that under Windows all games crash with the RX 5700 XT as soon the 3D graphics are loaded and the machine freezes with a black screen. (Tested with the current and experimental AMD drivers).

All I can say is that I in Windows 10 had occational crashes and black screens for many months with my RX 5700 XT from Gigabyte, thinking it was a driver problem since they mentioned this as a ”known issue” in the driver release notes. Eventually I returned the card to the reseller – they were able to reproduce the problem (using Unigine Valley) and I got a replacement card which has worked fine ever since.

 

[xy-maps]

Have you guys experienced any problems with the RX 5700 XT?

I have an RX 5700 XT DualFan from PowerColor (as seen in the quote) and a Sapphire RX 5700 XT Nitro+.
With both cards, the power supply and PCI slot fans jump to maximum speed after booting. I haven't heard of anyone having this problem with the XT 5700 XT?

I'm just surprised that I have this with both cards, they can't both be defective by chance?!

I also have the problem that under Windows all games crash with the RX 5700 XT as soon the 3D graphics are loaded and the machine freezes with a black screen. (Tested with the current and experimental AMD drivers).

I use the Pixlas mod on a cMP 4.1(5.1) with OpenCore under Catalina/Windows10. So far I had no problems with the fans or Pixlas Mod with my RX580 Nitro+ which also has an 8PIN and 6 Pin connector.

I know there are third party programs with which you can at least throttle the fans but would be interesting to know if others also have this problem with exactly these cards?

So I was able to fix the fan problem by plugging the graphics card into the second x16 slot, since then it has remained silent on both cards tested!

In addition, as star-affinity already said, it is a known problem for 1 year(!), especially with the PowerColor card, which says goodbye under load with a black screen.
I could reproduce the crashes with the PowerColor card again and again. Have it then tested again with the Sapphire card and see since no more crashes.

Too bad because the PowerColor card is the only RX5700 XT card which is really only 2 slots high and fits in the Mac Pro.
Will then probably have to switch to a RX 5700 in the reference design.

 

[martinpescador]

Dimensions of the two different cards:

PowerColor Radeon™ RX 5700 XT
230mm*111mm*41mm

PowerColor Red Dragon Radeon™ RX 5700 XT
240mm*132mm*41mm

I installed the smaller one in my MacPro 5,1, but based on the available room the Red Dragon should also fit.

View attachment 904931

View attachment 904932

View attachment 904933

@jgleigh , can I ask how you powered the card via EVGA Powerlink – what cables did you use?

 

[jgleigh]

Two of the 6-pin to 8-pin cables. The 6-pin side has the small connectors for the motherboard and the 8-pin is the larger connectors for the Powerlink.

 

[ArPe]

If the GPU isn’t having a real world material effect on your work you should sell these 5700/5700XT while you can before this wasteful mining nonsense crashes again. Right now you can get double the money you paid for the card.

 

[blazerunner]

Have you guys experienced any problems with the RX 5700 XT?

I have an RX 5700 XT DualFan from PowerColor (as seen in the quote) and a Sapphire RX 5700 XT Nitro+.

*snip*

I also have the problem that under Windows all games crash with the RX 5700 XT as soon the 3D graphics are loaded and the machine freezes with a black screen. (Tested with the current and experimental AMD drivers).

I've got a Sapphire Nitro+ 5700 XT as well, and it crashes the same way; in Mac OS, when a game is loading and I'm about to start playing, it crashes. I've had crashes when using Chrome as well (building a Plex library of TV Shows).

In Windows, crashes occur frequently in Battlefield V; just as a game is about to start after it's loaded, it crashes. Apparently this is a frequent issue in BFV and using DX12 may fix that. I haven't tried other games in Windows (they take a long time to download and all). Oddly enough; running Prime95 and Furmark both at the same time, my system is stable. I just don't get it.