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Hardware for 13x NDI QHD/UHD streams
Rank: Newbie
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Joined: 10/15/2024(UTC) Posts: 3 
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Hello,
We are building a vMix-based video streaming system and trying to get the right hardware.
We want to use this system to stream a 5v5 e-Sport events.
Also, we want to use 3x 4K60p NDI cameras, and we have 2x 4K60p video walls.
So in summary, there will be:
- 10x NDI 2K60p game captures from vMix Desktop Capture
- 3x NDI 4K60p camera sources
- 2x HDMI 4K60p video walls (probably they will be mirrored at the Windows level, but it would be nice to have the possibility of displaying independent streams)
- No SDI inputs/outputs so no need for additional I/O cards
- A few Audio Dante streams with commentary received via Dante Virtual Soundcard
So far, I have chosen:
- Intel i9-14900K
- Gigabyte Z790 UD AX
- RTX 4090 24GB
- 64 GB RAM
- 4 TB NVMe storage
- 1 Gbps motherboard network card for Internet access
- 10 Gbps PCIe network card for NDI streams
- 1 Gbps PCIe network card for Dante streams (maybe this is unnecessary and it's better to use 10 Gbps for both video and audio?)
- Switch NetGear M4250-26G4XF-PoE+
Is this even a realistic scenario to process so many QHD/UHD streams on this CPU and GPU?
Because I read that we should have 1 core per stream, but this CPU has only 8 performance cores while the rest 16 are efficient ones - will this be a problem?
Maybe the extra power from the i9-14900KS is worth the investment?
Or better to switch to the AMD Ryzen 9950X, which has 16 equal cores?
To be fair, our original project had the Tricaster TC2 instead of vMix, but we are trying to cut down costs significantly...
Best regards,
Krzysztof
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Rank: Advanced Member
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Joined: 12/24/2021(UTC) Posts: 493  Location: athens Thanks: 121 times
Was thanked: 68 time(s) in 64 post(s)
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Rank: Newbie
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Joined: 10/15/2024(UTC) Posts: 3
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Quote:
Hello. Personally after all these have heard for intel 13/14 gen cpu about the voltages and all these and because vmix pushes a lot the cpu i wouldnt go for them,except i buy it for 100$ maximum
I agree, it doesn't look good, although I hope new CPU batches + latest bios will solve the problem (hope is the mother of fools 😂). I looked through the forum briefly but the only thing I could find was information about old gen Intels, it looks like I missed that! This is what I was afraid of. So it seems the best is to stay away from hybrid cores when it comes to vMix. Quote:
Also they already announced the new 1851 chipset and new cpu`s.
Typical Intel. Changing sockets every other year😒 Thanks.
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Rank: Advanced Member
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Joined: 10/20/2023(UTC) Posts: 45  Thanks: 2 times
Was thanked: 2 time(s) in 2 post(s)
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Hi,
personally, I would aim for at least 1 core per ndi
MSI meg x670e ace
ryzen 9 9950x
RTX 4090 24GB
4 x 24 gb DDR5
4 to M2 pcie 5.0 x4
10gbps pcie 3.0 x8 network card (or decklink 8k pro for direct outputs to video wall)
10 gbps pcie 3.0 x4 network card
switch
but nothing sure, no experience on so many NDI
otherwise, go for amd ryzen threadripper or intel xeon platform
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Rank: Newbie
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Joined: 10/15/2024(UTC) Posts: 3
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It seems to be unavailable in Poland. What do you think about ASUS ProArt X670E-CREATOR WIFI? It has worse PCIe slots, but on the other hand it has integrated extra 2.5G in addition to 10G. Quote:
otherwise, go for amd ryzen threadripper or intel xeon platform
Yes, 7960X with 24 cores looks nice, but costs are twice as high, the question is do we really need it? 16 cores on 9950X look suffiecent - 13 cores for 13 NDI streams, 1 core for Dante, 2 cores for OS
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Rank: Advanced Member
Groups: Registered
Joined: 12/24/2021(UTC) Posts: 493 Location: athens Thanks: 121 times
Was thanked: 68 time(s) in 64 post(s)
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Originally Posted by: krzysztof  It seems to be unavailable in Poland. What do you think about ASUS ProArt X670E-CREATOR WIFI? It has worse PCIe slots, but on the other hand it has integrated extra 2.5G in addition to 10G. Quote:
otherwise, go for amd ryzen threadripper or intel xeon platform
Yes, 7960X with 24 cores looks nice, but costs are twice as high, the question is do we really need it? 16 cores on 9950X look suffiecent - 13 cores for 13 NDI streams, 1 core for Dante, 2 cores for OS About cpu and cores that will be need be aware also with this https://forums.vmix.com/...-Hardware-Video-Decoding because i see you say that " 2x HDMI 4K60p video walls (probably they will be mirrored at the Windows level, but it would be nice to have the possibility of displaying independent streams)" if you have 13 ndi streams and play inside vmix 2 4k p60 videos resolution is like you play 8 FHD videos. I dont have the budget to try if the TR 7960 can handle also the videos,but i have doubt that the 9950 or any other consumer cpu will not go really crazy with the ndi and this stage of playing videos into vmix, when the beast 4090 have the power to do the decoding but vmix without the "patent" i write (which patent im personally using with my I7 10th and quadro p4000 and works good to un-load cpu load but not perfect),vmix will not use the GPU to decode the videos. Of course if you load the videos into another program like OBS (for me one of the best vmix companion partners is OBS because it offers in un-official but "risky" way some things that for years users ask from vmix team to add) and do there the video decoding as it supports it,it will be better or like the guy says in the post for other machine and SRT GPU decode inside vmix
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