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Best CPU for Nebula Pro or Server 2015

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Re: Best CPU for Nebula Pro or Server 2015

Postby Support » Sun May 31, 2015 10:19 am

saddle wrote:More cores? Or,

Less cores, and higher cpu speed per core?

The 4790k at 4.0ghz has one of the highest single core speed, but many of the Xeons or i7 hex core with less single core speed, but more cores, have a higher rating at CPUBenchmark.

Which does Nebula prefer?


We don't have enough resources to do this type of test. We contacted HP but the did not replay us.
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Re: Best CPU for Nebula Pro or Server 2015

Postby Support » Sun May 31, 2015 10:23 am

alba63 wrote:I would like to join the discussion, as I just recently bought Nebula and run it in Ableton with my VST instruments.

I have a 2 year old CPU, an i5 3570 (4x 3,40 GHz), which for normal projects with a few onboard effects and EQs is very good and sufficient.

However with loading several instances of Nebula EQs and also a few other higher end EQs like Quilibrium the CPU load goes up quickly.

So I'd like to upgrade the cpu as well.

I currently have Asus P9 Z77-V board + 8GB RAM + SSD (on SSD are: Windows 7 - 64bit - and audio software + the most important Sample libraries, and Nebula files)

In order to avoid buying also a new Mainboard and RAM, I'd like to stay - for now - with a 1150 mount CPU. I might also upgrade to 16GB RAM.

Question now is: The i7-4790K or a Xeon - but I almost know nothing about the Xeons. So I'd be thankful for every advice by someone who has practical experience with those different Intel CPUs.


HP Z640 is a 36 core computer or similar to 4/5 computers with i7 v4 each one.
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Re: Best CPU for Nebula Pro or Server 2015

Postby alba63 » Sun May 31, 2015 11:01 am

ok, I had a look at the HP offering, nice, but as a "home user" this is way too expensive, the Xeon 12 core "E5-2690 V3" alone will cost more than 2000 Euro, so the whole computer probably like 3000-4000. Too much for a "home studio guy" like me.

Seen what I can pull out of my current modest i5 with SSD, I guess I will take small steps and go for an i7 with more RAM first and see what I can do with it. If I get overload, I rather freeze single tracks.

But without a doubt those HP machines are what's possible today... Impressive. Mac Pro also works with Xeons up to 12 core, costs about twice as much as the HP...
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Re: Best CPU for Nebula Pro or Server 2015

Postby saddle » Sun May 31, 2015 2:51 pm

CPUBenchmark has a section on Dual CPU performance tests. I located the Xeon x5675, which is what some of the HP z800 workstations are using. Xeon 3.07ghz CPU.

The benchmark rating there is 12800. That is a pretty powerful rating. However, the new i7 5820k has a rating of around 12900. That is pretty impressive. With a higher Single Core speed that the x5675 Dual Xeon setup.

Numbers don't always tell the whole story. I always think of horsepower and torque; Gas engine vs Diesel. I consider the HP a diesel :).

I haven't finished my research... but I am leaning toward the i7 5820k at this point. It would allow a processor upgrade easily if I want to in a couple years.

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Re: Best CPU for Nebula Pro or Server 2015

Postby alba63 » Sun May 31, 2015 10:41 pm

Yes, the i7 5820k with 6 cores looks like a good offering in terms of price/ performance ration, but for me it would mean a new mainboard (mine is 1155 socket), possibly new RAW and this new CPU, which alltogether is quite an investment.

Also, what makes you think that this allows a processor upgrade in a couple of years?
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Re: Best CPU for Nebula Pro or Server 2015

Postby saddle » Mon Jun 01, 2015 2:27 am

The 5820k uses the LGA 2011-V3 socket. So does the E5 Xeon V3 line, as well as other, more expensive i7 products.

Built in obsolescence aside, If you want to upgrade in a couple of years, and the price on the Xeon E5 eight or 12 core CPU's have come down in price, or the i7 5930k, or 5960k... You could take out the 5820k and sell it, put in a different CPU without changing anything.

I'm looking at it from that direction. A bit... at least it's a platform that isn't at it's End Of Life.
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Re: Best CPU for Nebula Pro or Server 2015

Postby alba63 » Mon Jun 01, 2015 9:00 am

I se, that sounds reasonable.

As I am new to Nebula and only tried it out a little bit with the "factory library", what is it that eats most cpu power? Putting one single instance of EQ on a single track equals around 5% of my cpu power, as far as I can judge.

So is it more the sum of all little things, or are there Nebula algorithms that really kill your cpu? Like the more complex models?
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Re: Best CPU for Nebula Pro or Server 2015

Postby alba63 » Wed Jun 10, 2015 7:41 pm

I just installed a new cpu on my old 1155 mainboard: Xeon E3-1270 (4x3,5 GHz overclocked to 4x4GHz). With it's hyperthreading (and 8 virtual cores) that was a clear update to my old i5 35-70 cpu. When I had a cpu load of - say - 50% in Ableton before, I now hardly have more then 30%. Of course once you set the latency to 256ms or less cpu load quickly goes up and artefact noises start, but generally I am quite happy with it. I now will learn to know and to use Nebula libraries to get a sound I like, and then if I hit limits, I can then think to also upgrade to a more recent mainboard (dual cpu) and some serious 6 cores (2 of them).
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Re: Best CPU for Nebula Pro or Server 2015

Postby flipnaut » Fri Aug 14, 2015 6:59 pm

...well i just ordered an i74890k @ 4x4000 Mhz and i really hope that i can feel and see the performance push in nebula to my old AMD 1100t 6x3,3 GHZ...

I also ordered two 1600 Ram pieces.

I wanted also the 5280 from intel but it was with all other components around 200 € more and i decided just to get the cheaper option. It must be enough for future aquas.

So i spend money to buy more plugins^^ :lol:
Monitors:PSI A21m, System: Presonus Studio One Pro V3, Intel i7 4790k. Plugins: Pink2412, Amethyst2,Navy, Honey, Scarlet3, Ochre, Magenta3, Titanium, Blue, EQp1, Silk. HW: AML EZ1073, Ap*550a, Chandle* LD Comp, Tape 542. Visit me on: http://audiopaw.de/
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Re: Best CPU for Nebula Pro or Server 2015

Postby giancarlo » Sat Aug 15, 2015 8:47 am

from first tests it seems like Core7 can be a solution for many. I cannot say more, we need extensive tests and an other month of developement, but first results are incredibly good
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