Question / Help Horsepower needed for dual cam + streaming?

Brad303

New Member
Hi guys,

It's been a while since I actually built a PC, but I'm looking to get/build something that can handle at least 2 camera feeds and encode for streaming.

The sticky at the top of the forum is 5 years old, so I'm assuming the GPU x264 encoding is more standard now. What's the go-to GPU these days? Is it better/faster than CPU encoding? How much of the processing can be offloaded?

1080p30 is probably sufficient, but if we can do 4K, I'd be thrilled.

Unless someone has a good argument for an alternative, I'm thinking Blackmagic HDMI capture cards.

Thanks.
 
Depending on how you want to have your stream setup, you can do it all in an atem mini pro that also will work as a rtmp encoding solution. Meaning output can be streamed directly to the internet. But i dont know how much technical control you'll have in that. It will not do 4k. It will do 1080p60 at a 70mbit max output from what i've read. I have the atem mini and frankly im not convinced in it, as you are buying into more work and it will "force" you to do things a specific way, unless you intend to just use it as a glorified camera switcher.
Decklink mini recorder 4k is pretty good and is one of the few, if not only, cards that will just output a black feed when no picture etc, instead of an annoying logo. Other then that 1660 nvidia card for gpu will offer latest version of the nvidia encoding chip.
4k u can forget anyway unless your mainly streaming picture stills as an artist or something, and the host would still need to support it.
 
I'm somewhat familiar with the ATEM Mini, but I don't have a lot of desk space to work with. And from what I can see, OBS can do most of what the ATEM Mini can do, albeit with a bit more set up in advance.

So none of the livestreaming platforms support 4K yet? I thought YouTube did already.
 
It's a question of bandwidth and encoding solution. You can do 4k on youtube. Most still probably watch in 1080p/1440p tho.
 
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