I'll go ahead and start off by saying I have an i7 4790k. I'm streaming my PS4 with an AverMedia Live Gamer HD 2 w/ OBS Studio 64 bit. I'm trying to find a way to push my computer to the medium preset as right now all I can hold is the veryfast option. If anyone has any experience with how I can achieve this by maybe even overclocking my cpu that would be awesome! If not please recommend cpus for me so I can invest in a new build.
Question / Help 1080p @ 60 medium preset
- Thread starter DraB
- Start date
1080P @ 60 medium isn't something you can do with ANY 4 core processor. (I previously had the best 4 core processor, i7-7700k before upgrading to the 1950x because it simply isn't possible even with a 5.0GHz overclock). And my current 1950x is 16 core 32 thread processor can only do...1080p60 w/ medium preset (yes, it can do slow/slower but the input lag/reduced fps isn't worth it).
The cheapest alternative if you want 1080p60 would probably be 8 core Ryzen 7 w/ fast/faster preset I'd imagine would work okay. I'm not sure how the i7-8700k would work but with 2 extra cores maybe can do 1080p60 @ faster?
The cheapest alternative if you want 1080p60 would probably be 8 core Ryzen 7 w/ fast/faster preset I'd imagine would work okay. I'm not sure how the i7-8700k would work but with 2 extra cores maybe can do 1080p60 @ faster?
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Thanks for the reply. I'll look into a new build soon :)
I wouldn't assume, I haven't played with any of the intel 6 core processors so I can't give a answer how they will preform. Only theorizing how they may perform based on my experiences with different processors and computer setups. I know for a fact several twitch streamers use the Ryzen 8 core processor and have 1080p streams that look very nice. (In my own experience having a 1950x I need to utilize a minimum 12-14 threads to get medium preset so that would be a 6-7 core processor available). So an 8 core would be the safe bet. 6 will work for sure but I'm not sure about medium preset. Maybe faster/fast preset.
If you're trying to stay intel or on a really tight or limited budget. You can find older Intel Xeon 8 core processors around 100-200$ however these will typically require a server/workstation motherboard and finding compatible parts will be a challenge but not impossible. You probably won't have M.2 NVMe support and they would be limited to DDR3 ram. In theory this would also be the cheapest and best way to make a dedicated streaming PC.
If you're trying to stay intel or on a really tight or limited budget. You can find older Intel Xeon 8 core processors around 100-200$ however these will typically require a server/workstation motherboard and finding compatible parts will be a challenge but not impossible. You probably won't have M.2 NVMe support and they would be limited to DDR3 ram. In theory this would also be the cheapest and best way to make a dedicated streaming PC.
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https://www.amazon.com/CORE-COMPUTE...8&qid=1512328791&sr=1-14&keywords=8+core+xeon
Would be a killer dedicated streaming PC imo for $1000.00 if you want something prebuilt as building your own with the newest intel i7- or ryzen 7 processors will cost a bit more. If you build similar yourself could probably be done with older Xeon's around $500-800 and possibly less if you can reuse any old parts you have of course.
Would be a killer dedicated streaming PC imo for $1000.00 if you want something prebuilt as building your own with the newest intel i7- or ryzen 7 processors will cost a bit more. If you build similar yourself could probably be done with older Xeon's around $500-800 and possibly less if you can reuse any old parts you have of course.
Sadly that is not true, the linked worstation is not a good choice because of dual xeon and x264s problem with multi NUMA. Older xeons or xeons in general are not a good choice because of the low frequency and IPC.
For realtime encoding you want high clocks (overclocking) and a lot of cores. I would go for a dedicated streaming pc so you look for a 2000$ investment.
there are also tons of people thinking that the earth is flat.
My source are the x264 devs and real systems.
https://forum.doom9.org/showthread.php?t=172180
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https://forum.doom9.org/showthread.php?t=169695&page=2
https://forum.doom9.org/showthread.php?t=168875
The only thing I can see is it won't fully utilize the CPU to 100%, which is completely fine. It will still use all cores around 50-70%
https://forum.doom9.org/showthread.php?t=168875
The only thing I can see is it won't fully utilize the CPU to 100%, which is completely fine. It will still use all cores around 50-70%
ok i see what you're saying. it will physically work but its not the most optimized solution since numa memory causes latency issues essentially limiting the full potential of a multi cpu setup. that makes sense since i have a 1950x which is essentially a multi cpu setup except they put the 2 ryzen dies on 1 socket and i can only get 50-70% cpu usage out of my processor encoding on OBS. but this actually works good for me since I also play games while streaming so having available CPU is needed for that anyways but for a dedicated setup would not be ideal.
These CPU have AVX-512, which can have some speed up on programs and encoders that uses it now and in the future. x264 and x265 have recently started using AVX-512, that can be disabled using custom x264 option: asm=AVX2
Looking at x264 and video encoding benchmarks (not other benchmarks) says intel is faster then ryzen.
https://www.google.com/search?q=7800x+x264
Ryzen 7 having more threads then i7-7800x might be nice, but too many threads may harm quality of live stream, and no AVX-512 on AMD yet. Can limit x264 threads with custom option: threads=8
Edit: also look at the price of LGA2066 intel motherboard as required for i7-7800x. AMD AM4 motherboard for Ryzen are a lot cheaper.
Edit 2: i7-8700k use LGA1151 and have no AVX-512 either. I think none of LGA1151 CPU have AVX-512.
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Daniel Bramblett
New Member
Hi folks, I'm pretty computer literate but am new to live streaming. My goal is to live stream my son's soccer games and I want them to be nice. I want the stream in 1080p 60fps. I'm feeding the video into my current computer via a Magwell dongle but the machine is undersized for my intended goal. It would be much appreciated if a subject matter expert would take a look at this list and recommend a machine (I want a laptop only) that would comfortably handle this degree of encoding. And if possible with some decent head room to spare! I'm only interested in Windows10 machines.
https://www.bestbuy.com/site/search...essormodelsv_facet=Processor Model~Intel Xeon
https://www.bestbuy.com/site/search...essormodelsv_facet=Processor Model~Intel Xeon
Daniel Bramblett
New Member
Thank you, appreciate the feedback.
BK-Morpheus
Active Member
I hope you will not try to stream 1080p 60fps to Twitch, because the pixelation/blur will be annoying with recommended bitrate of ~6000kbit/s.
But this depends on the stream content...shooter games with high details and a lot of motion will demand more bitrate than League Of Legends or Hearthstone. So depending on that soccer game, the pixelation might be bearable (I still would recommend do do 720p 60fps instead).
OnTopic: My Ryzen 1700x @3.8GHz allcore can do 720p 60fps fast, 1080p 60fps very fast, while playing Destiny 2. So 1080p 60fps medium will not be an option for Ryzen 8core.
Sure Destiny 2 can eat up to 4 cores completely, so on a dedicated streaming PC with Ryzen 1700x/1800x you might be able to push 1080p 60fps down to faster, but medium is a different story.
By the way: Don't expect too much quality improvement from reducing the x264 profile from very fast to medium.
In 720p 30fps I can go down to slow preset and I compared different presets with 4500kbit/s.
As "very fast" is already the best balance between codec efficiency and CPU impact, the difference (in terms of quality) on medium preset is visible but not very big. Whereas the difference in terms of CPU load is extreme.
I streamed at 720p 60 @ medium for about two years. It looks good but I still think my 1080p 60 looks better even at very fast. It’s fine though it will become more common soon so there’s bound to be more information on what cpu is the best ect.