Will a 4770K Bottleneck two Titan Blacks? NO Thunderbolt 2 on LGA2011!

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onmybikedrunk

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Apr 9, 2013
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I have plans on building a 4930K LGA 2011, but the lack of TB is really bugging me!

Would a 4770K bottleneck two Titan Blacks? I'm almost positive the answer is yes, but after buying on Apple for the past 10 years this is my first custom build.

As my first build (I know I'm capable), I want this to destroy the new Mac Pro! I actually owned the nMP and returned it because it's power to $ ratio was horrid and I don't have a need for ECC components, and besides the GPUs were just recycled Raedons anyway. The custo-Mac would be a dual boot Win/Hackintosh machine. I'm building the rig for 3D Modeling/Rendering, CAD, Adobe stuff and gaming. Just curious what everyone's thoughts are...
 
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TR0n_A

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A 4770K can become a bottleneck on a 1 GPU system, so most definitely yes. Even a 4960X would bottleneck before those cards did, presuming the SLi is working correctly.
 
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azathoth

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The 4770k would do perfectly fine in most situations, but if you're spending over $2000 on the GPU's then you might as well go a bit extra to get the 4930K, a 6-core CPU for futureproofing and the extra performance for Applications that utilize them.
 
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onmybikedrunk

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The TB2 version of this is only available for the Haswell boards... NO LGA2011. That's the problem. There is NO LGA2011 support with Thunderbolt because it doesn't meet Intel's specs. It has to have integrated graphics, which LGA 2011 doesn't have.

Like I said, I was a Mac owner for so long now that I have a ton of TB accessories, all of which, besides my display obviously, can be converted to USB3 (mostly external SSD's) so I guess it's not that big of a deal. TB is so blazing fast though! Daisy chaining is also amazing.
 
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onmybikedrunk

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Yeah I suppose you guys are right. I'm doing away with my Mac Pro, so why not through the TB2 by the wayside too. I'll get over it when my custom PC can crush any Mac pro out there. Suckers! It's been 10 years since I owned a "PC" and I'm happy to not be constrained by Apples mantra of "If you don't like not having it on this model, just wait until the next model" and all their rules. I use a ton of Multi-threaded Apps which outweighs not having my TB display and the speed of TB2.

I'm still curious though, it seems to be split down the middle, some people say "Oh yes! Haswell will cripple those cards" and others are all like "No way bro, bottlenecking GPUs mostly consists of myth and the Haswell 4770K can handle those cards!"

So what is it and why? Someone tell me! As I've been with Apple for so long I'm used to being told what to do!
 
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TR0n_A

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That's a bit of a 'what if' question. If the software is more CPU-centric, then the 4770K & 4960X will certainly bottleneck on a dual GPU system of that calibre if it's set up properly.

I've seen benchmarks where a 4770K was bottlenecking on a single GPU system.

Simplest answer, is it depends on entirely what you're using software wise.
 
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onmybikedrunk

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I do have the newer Mac Pro (although going back). The graphics cards are very disappointing. I know Mac has never been famed for their GPU options and video drivers, but these things are recycled HD 7970's with a Firepro name slapped on them. They function at around 20% less of what a W9000 FirePro would - all for temps/power draw limits. I'm just a bit disillusioned by the post-Jobs Apple, and this one really put the nail in the coffin.
 
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