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Old 10-09-2017, 10:10 PM   #1
zvit
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Default Intel i9 and quicksync

I don't see i9 in the quicksync list:

https://ark.intel.com/Search/Feature...SyncVideo=true

So i9 doesn't have QS? Even though they have lots of power, will this mean we can't take advantage of the super faster exports in Edius with i9?
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Old 10-10-2017, 09:19 AM   #2
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Originally Posted by More4K View Post
Nope, but with x264 (over Tmpeg plugin) you should be able to match QS speed for it's quality.
So would you say that the following would be the correct order of render time, 1 being the fastest and 3 being the slowest:

1. Exporting with i9-7920X witout QS - but with TmpGenc plugin
2. Exporting with i7-7700K (with quick sync)
3. Exporting with i9-7920X without QS and without plugin.
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Old 10-10-2017, 06:12 PM   #3
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Quicksync h264 export on an i7-7700K is a about realtime (with moderate filtering applied and no transitions). That means a 40s clip is being rendered h264 in about 40s, which is extremly fast. Haven't checked it yet, but it is said that quality is limited.

So why care about quicksync ? For me it the fast timeline playback as it helps the CPU to decode h.264 material - especially in 4K. I am not sure if this is the case with TMpeg. At the end of the day it depends what you are looking for.
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Old 10-10-2017, 06:28 PM   #4
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Originally Posted by hotte View Post
Quicksync h264 export on an i7-7700K is a about realtime (with moderate filtering applied and no transitions). That means a 40s clip is being rendered h264 in about 40s, which is extremly fast. Haven't checked it yet, but it is said that quality is limited.

So why care about quicksync ? For me it the fast timeline playback as it helps the CPU to decode h.264 material - especially in 4K. I am not sure if this is the case with TMpeg. At the end of the day it depends what you are looking for.
First, if you're getting 40s export with QS, it will be 3-4 times slower without QS and that's why QS matters.

Second, if your getting real time export with QS, than something is wrong with your system. I export 40s of video in 6-7 seconds which is like 3 times faster than real time. That's the power of QS.
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Old 10-10-2017, 06:41 PM   #5
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Quote:
Originally Posted by zvit View Post
I export 40s of video in 6-7 seconds which is like 3 times faster than real time. That's the power of QS.
Hmmm. Are you talking about 4K or FHD export ? I forgot to add it was 4K figures.

In export dialog I have the "use hardware" checkbox. If QS is not working though, than there is either a problem in Edius or in the Intel graphics driver or in both (I tried all 5 available drivers).

If you edit 4K I would be greatly interested in your timeline playback speed. I can play 2 4K-clips-transitions without buffer underrun and moderate filtering, but not 3.
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Old 10-10-2017, 06:44 PM   #6
zvit
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Quote:
Originally Posted by hotte View Post
Hmmm. Are you talking about 4K or FHD export ? I forgot to add it was 4K figures.

In export dialog I have the "use hardware" checkbox. If QS is not working though, than there is either a problem in Edius or in the Intel graphics driver or in both (I tried all 5 available drivers).

If you edit 4K I would be greatly interested in your timeline playback speed. I can play 2 4K-clips-transitions without buffer underrun and moderate filtering, but not 3.
Something IS working or else it would export 3-4 times slower than real time.
I haven't exported 4k in quite a while but I'll test it tomorrow. Maybe 4K IS realtime with QS. Even so, it still makes QT 3-4 times faster at export so it's important to have. So if I'm getting a CPU without QS, the plugin would need to help.
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