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  12 December 2013
Originally Posted by alm7treeef: Hmmm , for the power supply u can go with
OCZ ZX 1250W 80 PLUS GOLD



That is a good PSU. We have 2 or 3 of those, and have not had issues.
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--Pel
 
  12 December 2013
As far as the GPU goes. The 780Ti outperforms the Titan (hell, most overclocked 780s outperform the Titan). The only reason to go with a Titan right now is if you are SURE you need the additional memory on the card. Not much uses that much memory, and the speed difference, and cost difference for the 780 Ti makes it the obvious choice.

Quadro is a massive waste of money unless you need quad buffered stereo 3d. Otherwise it is slower than the gamer cards and costs a fortune. Every time I have bought a Quadro I have regretted it.
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--Pel
 
  12 December 2013
Originally Posted by PelDaddy: Not much uses that much memory, and the speed difference, and cost difference for the 780 Ti makes it the obvious choice.


I actually needed it, iray scene with about a 1000 trees! Instances are not really instances once in iray so it's really 1000 copies in memory, was about 4.5 GB.

But speed wise you're right, the newer 780 are a bit faster/cheaper.
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The GPU revolution will not be rasterized! - http://www.jdbgraphics.nl
 
  12 December 2013
btw, that loss of power over time, I can't seem time find hard data about that? I'm sure cheap ones with rotting capacitors will degrade, but quality ones should be good for years of operation I guess..
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The GPU revolution will not be rasterized! - http://www.jdbgraphics.nl
 
  12 December 2013
it's as u said if u will stick with the components that u chosen ,
but if u r thinking in upgrade (adding another GPU cards for an example ) required u to upgrade the power supply also if it doesn't match with the power the u need .
 
  12 December 2013
And one more thing:

http://www.tomshardware.com/charts/...-11.5,3142.html

These are single threaded benchmarks, that's 80% of the work you do in max expect for rendering. Look how far down the AMD's are.
__________________
The GPU revolution will not be rasterized! - http://www.jdbgraphics.nl
 
  12 December 2013
it looks i'm giving away the idea of buing a new PC hehehehe
and stick with my i7 620 M hehehehe
 
  12 December 2013
You guys actually use iRay/ VrayRT for production? What type of work is it? Arch/vis?

The lack of VRay Proxy/MRProxy is just one of many reasons I find them pretty useless for my work, but we do VFX.
__________________
--Pel
 
  12 December 2013
Originally Posted by jonadb: And one more thing:

http://www.tomshardware.com/charts/...-11.5,3142.html

These are single threaded benchmarks, that's 80% of the work you do in max expect for rendering. Look how far down the AMD's are.


And this is the rendering:

http://www.tomshardware.com/charts/...-2012,3161.html

Where the threads shine... AMDs are a little higher there, but still far behind modern Intels.
__________________
--Pel
 
  12 December 2013
Regarding the PSU aging, maybe it is bunk. I have yet to find some good scientific data either way. I do know that we have burned up 5 550W PSUs and 2 650W PSUs in our render farm over the past 3 years. Those were all procured early to power i7 920s and i7 980s. Now I won't put anything less than 850 into a render node, preferably ~1000W.

Of course newer CPUs tend to use less power, but those CPUs were well with in the calculated requirements for those machines (which initially had no GPU save a 7300, and failed before the addition of real GPUs, which most nodes now have). I believe all the calculators were saying 250W would be fine.

I will definitely not scrimp on PSUs, and I will always have a spare ATX PSU sitting on hand.
__________________
--Pel
 
  12 December 2013
u were right about the AMDs so i stepped back again , ufff .

now i'm thinking of i7s again ,

Intel Core i7-4960X Ivy Bridge-E 3.6GHz

or

i7-4960X @ 4.4 GHz Hi-Perf. Sealed Water Cooling 15MB

with GTX 780 Ti ,

the question is if i got multiple GPUs from GTX can it be useful to use GPU render ? even a little ?
 
  12 December 2013
If you choose nvidia cards, you get the benefit of all CUDS functionality.
Rendering with Iray.. and i thin VRay RT amd PhysX.
The system simply adds all cores, which can be a huge amount.
If usin Iray and 3 or 4 cuda cards you can almost render in realtime, regarding the complexity of
of you scene

http://www.youtube.com/watch?v=1K4aLajuXbE
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Mad,Sad and Bad to the Bone!!!
 
  12 December 2013
Originally Posted by PelDaddy: You guys actually use iRay/ VrayRT for production? What type of work is it? Arch/vis?

The lack of VRay Proxy/MRProxy is just one of many reasons I find them pretty useless for my work, but we do VFX.


I use it quite a lot actually, it's still missing a few production features you have to account for but if it fits the project I'm happy to use it.
__________________
The GPU revolution will not be rasterized! - http://www.jdbgraphics.nl
 
  12 December 2013
Originally Posted by alm7treeef: u were right about the AMDs so i stepped back again , ufff .

now i'm thinking of i7s again ,

Intel Core i7-4960X Ivy Bridge-E 3.6GHz

or

i7-4960X @ 4.4 GHz Hi-Perf. Sealed Water Cooling 15MB

with GTX 780 Ti ,

the question is if i got multiple GPUs from GTX can it be useful to use GPU render ? even a little ?


The 4960X is also money wasted, when compared to the 2nd model down the line, the 4930. You lose a couple of Mhz over the 4960 but you save 500$. No brainer...
 
  12 December 2013
to me this kind of configuration is best value for money

- i7 4930K
- 32 to 64 gb of Ram 1866mhz
- SSD for OS and Programs
- HDD for Data (how big and how many depends on your personal needs)
- 1 or 2 nvidia 780 GPU depending on your needs ( 1 or 2 titans if you have the money )
 
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