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X299 Big Sur Support

Joined
Jun 13, 2018
Messages
733
Motherboard
Prime X299-A II
CPU
i9 9980XE
Graphics
RX 6800 XT
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  2. MacBook Pro
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Hey guys! In order to keep my system fresh to run as long as possible (I could decide to skip M1X Mac mini if it will be disappointing for example, or just decide to wait for 2nd gen Mac Apple Silicon) and keeping its value as high as possible (I'll sell it when I'll finally switch to ARM Mac) I'm considering the actual environment.

Please keep in mind that I'm just an hardware enthusiast (who isn't in this thread? ;-) ) but I don't really need much multicore performance given the fact I use my system basically for web browsing, email, office suite, super lightweight music production (simply guitar recording over a backtrack with GarageBand) and occasional gaming in windows. That's why I'm considering the slightly single core higher clocked 10th gen Cascade Lake X (over my Skylake X) and RX 6800 XT (over my 5700 XT). Higher single core clocks should benefit my typical usage, instead of a 18 core multicore workhorse I suppose!?

At the moment I should be able to sell my 9980XE for 700€ and the 5700XT for the same €750 amount and replace them with:

9980XE 700€ --> 10980XE 910€ | 210€ loss (I said I don't care multicore, but I also said I'm an enthusiast :p )

9980XE 700€ --> 10920X 570€ | 130€ gain

5700XT 750€ --> 6800XT 950€ | 200€ loss (A guy living in my town bought this on AMD.com)

So, considering the amount I reported and obviously the hassle to buy/sell/replace parts (no water loop here):

should I swap 9th gen for 10th gen? If so... 12 or 18 core? will they both hold value? any further consideration?

should I swap 5700XT for 6800XT? Drivers for RDNA2 are already optimized similar to RDNA1?

Thanks to whoever will decide to give me his opinion, report eventual issues with those parts in you experience.
 
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Hey WC, Just replying to give you two results. The first one is with the new 6900XT giving me a LuxMark score of 57012:

View attachment 522422

Now on my other system running 2 x Radeon VII's it's giving a LuxMark score of 100859:

View attachment 522423

I tried to have it give me test just doing one card, but it wouldn't let me. So, I just divided it in half 50,430. So in the end if I had 2 x 5900XT running, it would be much faster. I know Izo mentioned that it would be overkill for my system. I use Photoshop, Premiere and a couple of other apps. But from what he said that Adobe (I guess), doesn't take advantage of dual GPU's. If I'm incorrect on this, please let me know.

I just like to have as much power as possible. That's just me and knowing that I can sell these VII's for $2,200 and can get 6900XT's for $1,700. That's a $500 difference in profit that I can make. But, if having that extra card is pointless and if anyone can provide some info of how negligible it would be to have that 2nd card in my system, then I will not get it. Look forward to the replies. Thanks.

Aside from that, I'm lovin' this new card and can't wait to get the other one for my main system.

I use all the Adobe software, probably more than anyone here, and I can say that dual Radeon VIIs or even Dual 6900XTs are overkill.

The only app that uses Metal is Premiere and it won't support Dual GPUs properly anyway. Even if it does, you gain nothing.

Photoshop does use Metal, but I can guarantee you that my workload is heavier than yours and I have 0 issues even with a single Radeon VII.

You are better off getting more RAM (64GB or more) than dual GPUs.
 
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Hey guys! In order to keep my system fresh to run as long as possible (I could decide to skip M1X Mac mini if it will be disappointing for example, or just decide to wait for 2nd gen Mac Apple Silicon) and keeping its value as high as possible (I'll sell it when I'll finally switch to ARM Mac) I'm considering the actual environment.

Please keep in mind that I'm just an hardware enthusiast (who isn't in this thread? ;-) ) but I don't really need much multicore performance given the fact I use my system basically for web browsing, email, office suite, super lightweight music production (simply guitar recording over a backtrack with GarageBand) and occasional gaming in windows. That's why I'm considering the slightly single core higher clocked 10th gen Cascade Lake X (over my Skylake X) and RX 6800 XT (over my 5700 XT). Higher single core clocks should benefit my typical usage, instead of a 18 core multicore workhorse I suppose!?

At the moment I should be able to sell my 9980XE for 700€ and the 5700XT for the same €750 amount and replace them with:

9980XE 700€ --> 10980XE 910€ | 210€ loss (I said I don't care multicore, but I also said I'm an enthusiast :p )

9980XE 700€ --> 10920X 570€ | 130€ gain

5700XT 750€ --> 6800XT 950€ | 200€ loss (A guy living in my town bought this on AMD.com)

So, considering the amount I reported and obviously the hassle to buy/sell/replace parts (no water loop here):

should I swap 9th gen for 10th gen? If so... 12 or 18 core? will they both hold value? any further consideration?

should I swap 5700XT for 6800XT? Drivers for RDNA2 are already optimized similar to RDNA1?

Thanks to whoever will decide to give me his opinion, report eventual issues with those parts in you experience.

Do not get the 10980XE. The 9980XE is a better CPU.

10980XE is actually a downgrade because Intel added more mitigation into the CPU itself and its slower than the 9980XE. I have tried it myself and actually put back my 9980XE.

If you are a hardware enthusiast I suggest getting a waterloop and overclocking the 9980XE to 4.5Ghz (or so) for all cores, that will give you a similar performance as lower core count Skylake X CPUs. Or maybe the 16 or 12 core and overclock them to 5Ghz per core? Possible....I guess. But you will still need a waterloop.

The "snappiness" is really important to me that's why I overclock.

For the 6900XT/6800XT, you just swap it.

Just make sure you are on Big Sur 11.4 and that you are on MacPro7,1 and disable WhateverGreen before putting in the RDNA2 card.

X299 is a dead end platform, its not worth upgrading the CPUs, unless youre going from a 8 core to 18 core.
 
Joined
Jun 13, 2018
Messages
733
Motherboard
Prime X299-A II
CPU
i9 9980XE
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RX 6800 XT
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Do not get the 10980XE. The 9980XE is a better CPU.

10980XE is actually a downgrade because Intel added more mitigation into the CPU itself and its slower than the 9980XE. I have tried it myself and actually put back my 9980XE.

If you are a hardware enthusiast I suggest getting a waterloop and overclocking the 9980XE to 4.5Ghz (or so) for all cores, that will give you a similar performance as lower core count Skylake X CPUs. Or maybe the 16 or 12 core and overclock them to 5Ghz per core? Possible....I guess. But you will still need a waterloop.
I don't wanna go through the hassle of watercooling, wouldn't be easier to swap to 10920X? It has higher clocks than 9980XE by default, easily cooled at stock by my Noctua D15 and I would gain 150€ that will cover most part of the loss taken by swapping 5700XT for 6800XT?
 
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I don't wanna go through the hassle of watercooling, wouldn't be easier to swap to 10920X? It has higher clocks than 9980XE by default, easily cooled at stock by my Noctua D15 and I would gain 150€ that will cover most part of the loss taken by swapping 5700XT for 6800XT?

You can get a higher end AIO if you don't want to do a proper waterloop.

I don't understand why you wouldn't want to overclock these processors, they were built for that. The stock speeds are pretty tame and imo Intel just kept it there to appease their website specs and not go over a certain wattage.

Just get a good 360mm AIO and overclock your 9980XE. I am not really sure why you want to downgrade to a 10920x when you have a binned chip on your hands that has the ability to overclock easily with a decent AIO.

You can definitely do 4.0-4.2Ghz with a good AIO on all cores, or if you want to replicate the 10920x cores, just overclock 12 cores to 3.5Ghz and the other 6 cores leave it as default.

Remember that the "boost" cores are usually 1-2 cores, they are not all the cores. They advertise Turbo Boost as if it's all cores.

When you get a watercooling setup the whole point is to boost ALL the cores and have to run above the base frequency when it needs to, this is where the "snappiness" comes in that the CPU can jump to for example 4.5Ghz on all cores when necessary.
 
Joined
Apr 11, 2014
Messages
78
Motherboard
ASUS X299 SAGE/10G
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i9-7980XE
Graphics
Radeon VII
@izo1 Did you had/have any issues with dual 6900's? I'm waiting for the EKWB to send me the water loop they just released to put the second one in.
 
Joined
Apr 11, 2014
Messages
78
Motherboard
ASUS X299 SAGE/10G
CPU
i9-7980XE
Graphics
Radeon VII
Removed this from my github since I no longer have the TBEX 4 but here were my observations:

For Thunderbolt 4, currently the only available Thunderbolt 4 PCIe card is the ASUS ThunderboltEX 4. (Not true anymore since the Gigabyte GC-Maple Ridge and ASRock Thunderbolt 4 AIC are out now)

Current Observations
Note these observations are based on the devices tested listed below. YMMV and issues I'm running into may just be due to these devices.
* Initially ran into issues where card was causing kernel panics in macOS and error code 62 on reboots. Found this issue on the latest BIOS with resizable bar support. Downgraded BIOS to 3302 and the card works normally.
* Thunderbolt header may not necessarily be needed or jumped. macOS recognizes the card on boot without a header plugged in.
* The 6 pin power and USB 2.0 internal cable have to be connected.
* Thunderbolt settings have to be enabled in BIOS. The device loaded in a different slot with Thunderbolt disabled but it showed 'No driver installed'.
* SSDT is required for device to be recognized.

What Works
* Thunderbolt 3 hot-plug
* USB 2.0 hot-plug/cold-plug
* USB 3.1 Gen 2 hot-plug/cold-plug
* Sleep

What Doesn't Work
* Thunderbolt 3 cold/warm boot

Devices Tested
* Sabrent Thunderbolt 3 M.2 NVMe SSD Enclosure (EC-T3NS)

To-Do
* Extract original firmware and try installing custom firmware for Thunderbolt Local Node support. (no custom firmware yet since macOS doesn't have Maple Ridge drivers)
Any point of getting the Gigabites TB4 card?
 
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@izo1 Did you had/have any issues with dual 6900's? I'm waiting for the EKWB to send me the water loop they just released to put the second one in.

I don't use Dual GPUs because only a very small amount of apps support it, especially under macOS.

I only use single powerful GPUs.

Also beware of the EKWB 6900XT waterblocks, they are thick so it will block the slot below it. I think all 6900XT waterblocks are thick because of how big the VRM is. At least thats what EKWB told me.
 
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