@Former user Ok. Thank you for your answer. I do really apprieciate your thoughts about AMD CPU.

Can you please help me finding AMD Ryzen Threadripper 3970X? Maybe you are from UK or other European country and help me finding this CPU in some shop. I am not able to purchase it in Poland, because the stocks are empty and they don`t have this CPU as I know since half a year :(

@marcinzm

Using a AMD Threadripper 3960x on a MSI TRX40 Pro WiFi, 128 GB RAM, XFX (Reference Design) 6900XT, bunch of M.2 PCI-e 4.0 SSD's (both onboard slots, and a Asus Hyper Quad card). I have VEGAS Pro 18, 19, and just this past week, 20 installed, with the OS being Windows 10 21H2 64-Bit. Works fine for me, all three versions, including DaVinci Resolve 18 (Free). I use a Canon R6, R7, 80D; GoPro Hero 10, 9, 7, 6, & 5; Sony AX-33 & AX-53. If any of the footage from any of the cameras seems "choppy", got Shutter Encoder to transcode, usually, to Apple ProRes 422 or 422LT.

As far as finding a 3970X, or even a 3960X/3990X, AMD has discontinued that platform in favor of the more "Workstation" version, WRX80 like @Former user is currently using. AMD has just recently "opened up" purchase to OEM's (other than the default Lenovo) and us "DIY'ers" to the ZEN 3 version of those processors, though only three are available for the DIY crowd which would be the 24/48, 32/64, and 64/128 (Cores/Threads). I live in the US, so can't help with anything on "that side of the pond", though you should be able to check NewEgg I guess?

Biggest difference really between the TRX and WRX would be the amount of Total RAM, and up to twice the number of PCI-e Lanes (basically 64 vs. 128). They definitely are made more for the Workstation crowd, as if you put a more modest 1 or 2 Slot wide GPU, you have a bunch of available Slots to you for extra GPU's, or like the above Hyper Card (Asus, Asrock, MSI, and Gigabyte have them - though not all of them for general sale).

Hope this information helps.

@marcinzm Hi, sorry think i was a little hasty saying they seem available here, on closer look a lot of sites say 'order', basically they're saying they haven't got one but can order it for you & it'll arrive when it arrives 😒

Same goes for this place (I've never used Aliexpress) https://www.aliexpress.com/item/1005004337307070.html?spm=a2g0o.ppclist.product.18.4650BAxSBAxSi4&pdp_npi=2%40dis%21GBP%21%EF%BF%A12%2C609.33%21%EF%BF%A12%2C122.31%21%21%21%21%21%40211b5deb16610118029664221e6c01%2112000028810961822%21btf&_t=pvid:d3ad89c5-4f51-44dd-a8b1-e4a323bcfafc&afTraceInfo=1005004337307070__pc__pcBridgePPC__xxxxxx__1661011803

It seems to be on Amazon, not sure if it's correct or if you can get it in Poland

https://www.amazon.co.uk/AMD-Ryzen-Threadripper-3970X-Processor/dp/B0815JJQQ8/ref=asc_df_B0815JJQQ8/?tag=&linkCode=df0&hvadid=404432081249&hvpos=&hvnetw=g&hvrand=11829236188153636211&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9046316&hvtargid=pla-846348004011&ref=&adgrpid=86031030717&th=1

@marcinzm PS If i was to buy another PC for use mainly with Vegas i would prob buy the best Intel CPU & the best RX GPU, I could poss get those two for the price of that AMD CPU 🤷‍♂️🤔

@Former user After your last post I think you are completely right. AMD processor are very very expensive, but also they are much efficient than Intel, but I changed decision and I consider of purchasing such set:

- Intel Core i9-12900KS

- two GPUs:

a) GeForce RTX 3080 Ti

b) Asus GeForce RTX 2080 Ti Dual OC 11GB GDDR6 352bit

I have now PC with Intel CPU and Asus GeForce RTX 2080 Ti Dual OC 11GB
GDDR6 352bit on board.

1) Can you advise me if it possible to have two these GPUs on board?

2) Can you advise me what motherboard can handle it and what power supply with what number of power in Watts can handle such set?

3) Can you advise me if it is good choise to have two GPUs and if Vegas Pro 20 can use calculating power of two GPUs at the same time while rendering video? Will it be much efficient comparing with having one of these GPUs. Are there anybody who has and use two GPUs in Vegas Pro while rendering?

4) Is GeForce RTX 3080 Ti good for video rendering (if has "studio drivers") and if it is compatible with Vegas Pro 20?

I will not use this set for gaming, only for video rendering

Regards, Thank you all for above answers.

Marcin

@marcinzm Not sure if anyone here has reported how Vegas would react to putting 2 different Nvidia gpus, a 3080 and a 2080, into the same system if that's your plan. I've put both amd and nvidia gpus into the same system and Vegas is ok with that. I would guess you'd probably need about a 1500w power supply for it.

Btw, the Intel Core i9-12900KS also has an onboard Intel uhd770 igpu. Onboard igpus distinguish many Intel processors from amd cpus except the g-series which have been traditionally hard to buy and not many users here have reported on. I have an 11900k in my main system and I'm not particularly pleased with the onboard uhd750... I get higher performance decoding from the uhd630 igpu in an older 9900k system. But maybe the Intel12th gen is better.

@marcinzm Hi, I can't really advise, I considered getting another RTX3090 & joining them with a NV link bridge, they recommend when you use dual GPU's to get matching models, I don't know if the 2080 & 3080 are much different or if they can be linked,

There are people on here using 2 GPU's installed but i think Vegas only utilizes one of them, I'm guessing on that tho. 🤷‍♂️,

There's a Vegas Benchmark, in there is a list of users & their PC setup, the best times are Intel CPU + RX GPU's, so if you can upgrade your CPU & install the best RX GPU that would prob the best route for Vegas, you might not even have to change your MB & power supply.

@RogerS is better to ask about this https://www.dropbox.com/s/3i4xgnhl9fmc0je/BenchmarkProject4K.zip?dl=0

PS I haven't looked at it for a while but i would be 13 or 14th on that benchmark list with my AMD CPU & RTX 3090 SUPRIM, (Specs in my Signature at the bottom of this comment), Expensive & most powerful PC parts isn't always the best when in relation to Vegas .

@Former user Ok, but I didn`t know that while installing two GPUs they should rather be the same model. OK, but let's say that I will buy extra Asus GeForce RTX 2080 Ti Dual OC 11GB GDDR6 352bit.

Is it a good choice? In gaming I think it do matters, but what about with video rendering?

Ok, but I didn`t know that while installing two GPUs they should rather be the same model. OK, but let's say that I will buy extra Asus GeForce RTX 2080 Ti Dual OC 11GB GDDR6 352bit.

@marcinzm I doubt Vegas would bond them together somehow and use them as one big gpu without a back-end crossfire sli cable joining the boards. I recall a Vegas user, @Teagan, who's talked about trying that with 1080s and it not scaling well. I have to wonder if 2 sli'd 2080's would equal the performance of a single 3080.

Ok, but I didn`t know that while installing two GPUs they should rather be the same model. OK, but let's say that I will buy extra Asus GeForce RTX 2080 Ti Dual OC 11GB GDDR6 352bit.

@marcinzm I doubt Vegas would bond them together somehow and use them as one big gpu without a back-end crossfire sli cable joining the boards. I recall a Vegas user, @Teagan, who's talked about trying that with 1080s and it not scaling well. I have to wonder if 2 sli'd 2080's would equal the performance of a single 3080.

I had many many issues with nvidia 1080 FE in SLI and the only programs that actually took advantage of it were Rainbow Six Siege and maybe one other game. Every other program would try to use only one card or mess up something and I ended up having to disable SLI for things to work properly with all programs equally. I ended up selling those for a 3080 and I only use a single card now. SLI is long dead and is no longer supported on almost anything.

Thank you for your answers.

I wonder if Intel UHD Graphics 770 (in Intel Core i9-12900KS) takes part in rendering and has impact on rendering efficiency when Asus GeForce RTX 2080 Ti is selected in Vegas as a main GPU.
Can you answer my question?
 

Thank you for your answers.

I wonder if Intel UHD Graphics 770 (in Intel Core i9-12900KS) takes part in rendering and has impact on rendering efficiency when Asus GeForce RTX 2080 Ti is selected in Vegas as a main GPU.
Can you answer my question?
 

I haven't looked at what this thread is about only this question. I think on intel systems, the IGPU is used for the preview monitor if you are running windows in balanced power mode. If you run windows in high performance mode or Vegas in high performance mode, most likely your 2080ti will be used for everything. I don't have an Intel system, but this is my recollection from when I have used Intel.

The display preview requires very little GPU processing

@Former user Thank you for your answer. How to set high performance mode in Vegas? I only know how to set high performance mode in Windows 10, but I don`t know how to set it in Vegas.

It's in graphic settings

Vegas benchmark results and instructions to test your own system are here: https://docs.google.com/forms/d/1Exbi4K3hbxw6snJuisR1ble-0tCPVNcIcNnx0BAtSIM/

The excel sheet in the download doesn't include current results.

@Former user Oooooh, I am shocked. I have never had this settings set, you have mentioned on the last screen, in Windows 10 . Does it mean that I have never used GPU power in Vegas?

Unlikely- it may well default to the proper GPU. The preference is mainly useful when things go wrong.

What shows up in preferences/video and preferences/file io? What render templates do you use?

You could also test it yourself by watching performance monitor while working in Vegas. Also try the benchmark and see if times match other properly configured systems.

RogerS is correct, I changed mine from auto to high performance and the percentage of GPU use stayed the same. Windows knew to give it priority.

Yes, I confirm what you both wrote. You are right. GPU use stayed the same. Thank you all for investigations.

@Former user Oooooh, I am shocked. I have never had this settings set, you have mentioned on the last screen, in Windows 10 . Does it mean that I have never used GPU power in Vegas?

@marcinzm No, but on an intel system with IGPU Vegas may be using both GPU's for processing in balanced mode in Vegas, but if you set Vegas to high priority I suspect Vegas will only use your 2080ti. Normally there's not a negative with balanced mode, but if there's a problem with Intel drivers or bios a fix could be to initiate performance mode.

I never tried performance mode in Vegas with an Intel but I can vaguely recall testing the hypothesis that Vegas uses the IGPU for preview screen by encoding CPU or Nvenc, looking at IGPU 3d activity, then doing the same encode with preview turned off and noting the difference. It may be less visible to see if you are using IGPU as your decoder because the act of decoding requires some processing power.

Balanced mode should be fine

@Former user I wonder if changing CPU into more efficient will take the preview efficiency on next level and my preview window will play video in 200 Mbps 4K 4:2:2 10bit 50p more fluent and smooth.

@marcinzm not likely because IGPU is used for the actual display, not the processing required to decode whatever appears on the display. I've also heard people say the IGPU is helping display the timeline, but I"m not able to test any of that. Windows/Vegas is normally pretty smart about choosing the GPU for the right job. This is more of an issue for running laptops, especially on battery. You want the a low power GPU doing low power work to save power.

My rtx3080 sits there using 50watts of power doing absolutely nothing, annoys the heck out of me, IGPU's aren't power hungry like that