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Old 10-15-2017, 02:19 AM   #31
Ron Evans
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What do you mean about GH5? Do you mean 10bit export ? I edit just fine 3840x2180 60P which is 8 bit of course.
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Old 10-15-2017, 11:13 AM   #32
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Quote:
Originally Posted by hotte View Post
Yes, 2 more cores, but of course lower clockspeed and lower oc-potential. And the iGPU is the same as in the i7-7700K - and this one can't quicksync the GH5...
From the early reviews I have seen the I7 8700K is just a bit faster in single-threaded tests then the I7 7700K but a lot faster in multi-threaded tests so especially in applications that use all cores the I7 8700K provides a big performance increase. I also have seen reports of up to 5GHz and more overclocking but only on a very good watercooler with also a lot more power draw from the system but I"m not sure if this is the way to go if you want a stable editing system.
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Old 10-15-2017, 08:40 PM   #33
hotte
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Ron the GH5 150mbs 25p 4K 10 bit 4:2:2 won't be quicksynced on an I7-7700K - see my earlier comments on noafilms clips in this thread. Since the iGPU is the same as far as I know (630), they will most likely not be quicksynced on an i7-8700K either.

If you let me download two short of your 60p-example clips, I can check their quicksync-ability for you on my I7-7700K.

noafilm, the stability of the cpu mainly depends on an appropriate offset-core-voltage setting as you increase the clockrate. If you push voltage you will have two side effects: Temperature increases very rapidly and you shorten cpu livetime. I would never, never expect to oc a 6-core Kaby-follower to 5GHz. This might work with a supercooler, but not for long - be sure. My I7-7700K is going up to 84 Celsius full load-long time with a max of 1,38 V max core voltage @5.0 Ghz. It is being cooled by a Mugen5 with two fans. I found this to be too much longterm. It runs now comfortably @4.9 Ghz. This is a very reasonable limit for a 4-core. 5.0 GHz is just a psychological marketing number. Some crazy overclockers even pull the heatspreader lid off the cpu to achive lower temps. You can even buy a tool to do this. The problem is that high core voltage will destroy the cpu from the inside - independent of temperature.

More than pushing up the cpu too much, my advice is to buy really fast RAM. It makes quite a difference if your RAM runs at 2.666 Mhz or 3.400 Mhz - even if you do not oc the cpu (though faster RAM is already a sort of oc). Edius-Playback benefits a lot from fast RAM. But you will find that fast RAM is quickly getting expensive.

Last edited by hotte; 10-15-2017 at 08:54 PM.
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Old 10-15-2017, 10:02 PM   #34
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Kabylake does support h.265/HEVC 10bit encode and decode. Edius doesn't support encode yet.

I would try a 10bit h.265 file with the 7700k to see if it does indeed have hardware acceleration within Edius 8.5x.

The Kaby Lake microarchitecture adds full fixed-function H.265/HEVC Main10/10-bit encoding and decoding acceleration & full fixed-function VP9 8-bit & 10-bit decoding acceleration & 8-bit encoding acceleration
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Old 10-15-2017, 10:08 PM   #35
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As I said I shoot UHD 60P which is only 8 bit 4:2:0 at 150Mbps and it edits just fine with QS support. I have no interest in the slower frame rates which are 10bit on the GH5. QS is supported in Vegas 15 too. The difference is in Vegas 15 I could export HEVC/H265 with the iGPU of the 8700K.

If I do get a Ninja Inferno it will record DNxHR so will not be that much of a problem to edit for the CPU anyway. That is the only way I will get UHD 60P 10bit 4:2:2 and I will likely go this way sometime to get HLG. Probably before I upgrade my PC. As this master would be a good fixed, full stage camera for archiving. Working towards my goal of sitting down with 1 camera to record but still make what looks like a multicam shoot. With UHD it is close but just not good enough to get the real closeups. Maybe 8K !!!
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Intel i7 4790K 4.0Ghz, 16G RAM, Gigabyte GA-Z97X-UD7TH, WIN 10, Samsung 850 EVO 500G boot & 500G temp, 6T Project Source , 1T EVO 850 Render Files, MSI 1080Ti, Quantum Ultrium LTO3 tape drive, Intensity Pro 4K, and 2 LG Bluray burners, NexStar Vantec HX4R and eSata/USB3 hard drive dock, Antec 1200 case, ASUS PB328 monitor, Viewsonic VT2300 LED monitor on the Intensity Pro 4K.


Cameras: GH5, FDR-AX100, FDR-AX53, NX5U
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