Cannot decide on CPU 5930K or 5820K

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Creepin_D

[H]ard|Gawd
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Trying to get the parts together for a new build and I’m stuck on which CPU to get.

I will be using 3 video cards, which is my concern.

Will I really see a big difference in gamming going from 40 to 28 pcie lanes?

I have been doing some searching online, and I can't get a straight answer. :confused:

What do you guys think?
 
Creepin_D said:
Trying to get the parts together for a new build and I’m stuck on which CPU to get.

I will be using 3 video cards, which is my concern.

Will I really see a big difference in gamming going from 40 to 28 pcie lanes?

I have been doing some searching online, and I can't get a straight answer. :confused:

What do you guys think?
Click to expand...

How can you see a big difference if there is not a big difference between two and three cards? XD
 
5930K isn't worth the premium if you ask me.

5820K will do 8x, 8x, 8x in tri-SLI or tri-Fire.
 
Alexke said:
5930K for sure!
it made even more sense for me to get the 5960X because the 5930k doesnt offer much more then the 5820K
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Because you like wasting money, right?

OP, get the 5820K. Anything above is a waste of money unless you're going quad GPU and for the best of the best.
 
x8 vs x16 results in at best 5% difference in frames, and in most cases close to no difference. In some cases x8 runs better than x16!

3x GPU in x8, x8, x8 should run just fine with 5820K.
 
Thanks for the reply’s.....I was leaning towards the 5820, just wanted your guys opinion.

Also I have to disagree with you sblantipodi, I experienced a very positive game play difference when I added the 3rd card :)
 
All that being said, if you think there's >50% chance you'll want to add a 4th card in the future, then maybe splurge for the 5930K.
 
I would like to see more testing done on this, personally. I have heard PCI-E bandwidth becomes more of a factor when you are trying to hit very high framerates (above >80FPS), which would be of interest to those with 120 Hz monitors.

I went with the 5930k, 5920k just seems gimped to me - X99 already commands a significant premium for the mobo and DDR4 and thought I might as well pay an extra $200 to get all the PCI-E lanes. But if you're a budget, go with the 5920k I guess.
 
If you're on a budget, and your primary goal is gaming, a Z97 setup with 4790K makes much more sense. (I'm assuming those on a budget aren't looking to do tri-SLI/XFire setups :p)

If you absolutely can't resist hex core, then a X79 setup with 4930K might be a better option. Especially so if you can find a good deal on a used 4930K. Just make sure you get Intel's overclocking warranty so even if the chip fries the next day you'll get a replacement. Yeah you lose native USB3.0 support, M.2, and only have 2 SATA3 ports with X79 so make sure you can live with that.
 
n=1 said:
If you absolutely can't resist hex core, then a X79 setup with 4930K might be a better option.
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Not really seeing how good of a platform X99 is, it just doesn't make sense to buy into X79 any more.
 
n=1 said:
If you're on a budget, and your primary goal is gaming, a Z97 setup with 4790K makes much more sense. (I'm assuming those on a budget aren't looking to do tri-SLI/XFire setups :p)

If you absolutely can't resist hex core, then a X79 setup with 4930K might be a better option. Especially so if you can find a good deal on a used 4930K. Just make sure you get Intel's overclocking warranty so even if the chip fries the next day you'll get a replacement. Yeah you lose native USB3.0 support, M.2, and only have 2 SATA3 ports with X79 so make sure you can live with that.
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Hmm I am pretty sure that no one asked about x79 or a 4930 here.
 
I was replying to the previous post suggesting 5820K on a budget. If budget is a concern then there are better options than X99, unless you absolutely needed a hex core or 28 PCIe lanes.
 
n=1 said:
I was replying to the previous post suggesting 5820K on a budget. If budget is a concern then there are better options than X99, unless you absolutely needed a hex core or 28 PCIe lanes.
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If budget is a concern there is no reason to TriWay SLI.
TriWay SLI is useful on ultra high end setups with a 4k monitor at least, this setups are not budget oriented.
 
I'm not really on a budget, but I don't like wasting money either :p

I'm going to wait it out for another week, hopefully by then there will be some reviews online that will help me out.
 
Creepin_D said:
I'm not really on a budget, but I don't like wasting money either :p

I'm going to wait it out for another week, hopefully by then there will be some reviews online that will help me out.
Click to expand...

As I saied you previously, switching from a two way sli to three way sli gives so little difference, don't care about lanes.
If you have 40lanes, without PLX you can't even do 16x/16x/16x but only 16x/16x/8x.

If you really want 16x/16x/16x you need to buy a 40 lanes CPU and a mobo with PLX chip like Asus X99 WS.

IMHO, there is absolutely no difference between PCIe 3.0 8x and 16x with current cards.
We are talking about PCIe 3.0, not 2.0, the new gen PCIe is way faster than current gaming cards.
 
If you are planning on keeping the system for at least a couple years, go with the 5930k and be done with it.
 
I'd wait for more reviews on the 5820K before deciding.

Video games doesn't seem to scale well with more cores at the moment, and they prefer more performance per core rather than more cores beyond 4 cores. If the 6 core Haswell-E can overclock better than the 8 core flagship chip, I personally would go for the 6 core and overclock it.

But yeah, lets see how the 5820K does in terms of overclock.
 
sblantipodi said:
If budget is a concern there is no reason to TriWay SLI.
TriWay SLI is useful on ultra high end setups with a 4k monitor at least, this setups are not budget oriented.
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True but, but if you recycle your old GPUs, hat takes a significant chunk off the costs, especially if they have 3 to begin with. Somehow I was under the impression OP already has 3 cards and doesn't need to buy any.

Anyway, back to the original question, so where does the 5930K come in exactly? For those that are doing 4-way SLI setups?
 
n=1 said:
True but, but if you recycle your old GPUs, hat takes a significant chunk off the costs, especially if they have 3 to begin with. Somehow I was under the impression OP already has 3 cards and doesn't need to buy any.

Anyway, back to the original question, so where does the 5930K come in exactly? For those that are doing 4-way SLI setups?
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Yes, I already own 3 video cards, and I plan on using them until 20nm or better cards are released.

I'm surprised by the lack of 5930 and 5820 reviews, were they released the same day as the 5960? :confused:
 
I would say if you have already sunk the cost on the gpu's you might as well go for the 8c/16t version on the chip (5960k). The cost difference, at least at Microcenter is 500 (5930) vs 900 so $400 in the grand scheme of things is really just a drop in the bucket. I say this coming from a e5 2587w where the two extra cores will smoke anything that can use them. Just my 2c however.
 
I am in the same boat. I only have 2 video cards so probably will just get the 5820K. Wonder what the OC is on that.
 
rhansen5_99 said:
I would say if you have already sunk the cost on the gpu's you might as well go for the 8c/16t version on the chip (5960k). The cost difference, at least at Microcenter is 500 (5930) vs 900 so $400 in the grand scheme of things is really just a drop in the bucket. I say this coming from a e5 2587w where the two extra cores will smoke anything that can use them. Just my 2c however.
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Wouldn't the 5960X have less OC headroom than the hex cores because a) there's greater chance of one bad core dragging down the OC and b) TDP would run much higher?

I guess if you're doing stuff that can make good use of 8 cores then 5960X makes sense, otherwise a higher OC on the 5930K might bring more benefits, especially for single threaded applications.
 
5820k's ability to run x8-x8-x8 is motherboard dependent. Oh yeah, 5820k would be my pick between those two unless you see yourself going 4-way in the future.
 
tonyftw said:
5820k's ability to run x8-x8-x8 is motherboard dependent. Oh yeah, 5820k would be my pick between those two unless you see yourself going 4-way in the future.
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Some boards, at least I know my WS can, run 4x GPUs on the 5820K with 8x/8x/8x/8x configuration. I would think any board with a PLX chip could, as it would only require an additional 4 lanes.

8x vs 16x is an non-issue right now. I only saw a 3% improvement going from 16x/16x/8x to 16x/16x/16x. I just want every GPU have the same PCIe bandwidth available to it. I believe microstutter (which I am sensitive to) can arise from situations where you have one GPU with only half the bandwidth available to it. And PLX chip will even it all out between the GPUs.

I really wish Broadwell-E would increase that 40 lane count on the higher end chips. It's such an out in the middle of nowhere number, where as 28 is perfect for the 5820K (3xGPUs at 8x + M2 SSD at 4x). That's the only blunder of X99 is 40 lanes still, when we should be getting 48 or even 52 to get true 16x support for 3-way GPU with a PLX allowing for the bump to quad support at 16x. But, it most likely won't matter as thanks to consoles, even 8x will be sufficient for some time to come.
 
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