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Would a i7 4770k bottleneck two GTX 980 in SLI?

Tags:
  • Gtx
  • Intel i7
  • Bottleneck
  • Graphics Cards
  • SLI
Last response: in CPUs
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September 20, 2014 12:51:59 PM

Hello. My system consist of a i7-4770K, 16GB (2x8GB) DDR3 1600 MHz of ram and 2 GTX 780 video cards that I use in SLI.

Apart from productivity basic stuff like MS-WORD and e-mailing, I use my PC to play video games sometimes at 1440p with my 27" monitor or sometimes at 1080p with my 32" HDTV. I am upgrading my 2 GTX 780 cards to 2 GTX 980 cards that I will also use in SLI.

My question is: If I were to only change the 2 video cards for the 2 new GTX 980 cards would my i7 4770K bottleneck the 2 GTX 980 cards? Would I experience better gaming performance if I were to change my i7 4770K with the newer i7 4790K? Or would I need to buy any other CPU?

Thank you very much for your insight.

More about : 4770k bottleneck gtx 980 sli

a c 150 U Graphics card
September 20, 2014 12:54:56 PM

You don't need to buy any newer cpu, the current one is more than enough for any dual gpu configuration on the planet. Even quad SLI titans will not be bottlenecked, you're good to go :) 
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September 20, 2014 12:57:52 PM

You won't have any bottleneck
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September 20, 2014 1:05:38 PM

One 780 or one 980 is fully capable of gaming on one monitor at those resolutions. SLI is a overkill and you gain very little from it unless your running multiple large res monitors or even one very large 4K res. Moving from two 780's to two 980's gains you nothing you will notice, not even on you power bill will you notice much of a difference. You CPU is fully capable of running Quad GPU's @ 4K and not bottleneck.
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September 20, 2014 5:13:59 PM

Thank you all for the responses. It's been my experience that 2 GTX 780 in SLI for 1080p is not overkill for the most demanding games, with everything maxed out and ultra textures. The reason I'm upgrading my 2 GTX 780 with 2GTX 980 apart from the fact that I will gaing more FPS it's basically for VRAM. I know it's poorly optimized but with my 2 GTX 780 I can't play Watch Dogs with everything maxed out and I'm thinking that GTA V could probably demand 3GB or even 4 GB VRAM for everything maxed out as well as upcoming games like Ryse and all the forthcoming games in 2015-16.

What I do understand thank to you all is that gaming wise, with the 2 GTX 980, I would get the same results with a 4770K or a 4790K, right? Meaning that any subtle change would be imperceptible at 1080p or even 1440p right?

Thanks!
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September 20, 2014 11:11:21 PM

delaro said:
One 780 or one 980 is fully capable of gaming on one monitor at those resolutions. SLI is a overkill and you gain very little from it unless your running multiple large res monitors or even one very large 4K res. Moving from two 780's to two 980's gains you nothing you will notice, not even on you power bill will you notice much of a difference. You CPU is fully capable of running Quad GPU's @ 4K and not bottleneck.


I agree with this. 780 SLI is ridiculous overkill for 1080p. Upgrading to 2 980s won't be anything you'll notice
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a c 150 U Graphics card
September 20, 2014 11:19:57 PM

First things first, no changes on any i7 with any resolution with any gpu, all are more than fine for all Gpu's available.

Secondly, I can't really be sure why you can't max out everything even with 2 beastly 780s, that too on fhd. If you are a regular upgrader, it's fine. Ofr else it doesn't make sense.

No game other than watch dogs will have better performance just because of more vram. Games just don't need more than 3gb on full hd.
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September 20, 2014 11:25:09 PM

MeteorsRaining said:
First things first, no changes on any i7 with any resolution with any gpu, all are more than fine for all Gpu's available.

Secondly, I can't really be sure why you can't max out everything even with 2 beastly 780s, that too on fhd. If you are a regular upgrader, it's fine. Ofr else it doesn't make sense.

No game other than watch dogs will have better performance just because of more vram. Games just don't need more than 3gb on full hd.


^

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September 22, 2014 2:19:09 PM

MeteorsRaining said:
First things first, no changes on any i7 with any resolution with any gpu, all are more than fine for all Gpu's available.

Secondly, I can't really be sure why you can't max out everything even with 2 beastly 780s, that too on fhd. If you are a regular upgrader, it's fine. Ofr else it doesn't make sense.

No game other than watch dogs will have better performance just because of more vram. Games just don't need more than 3gb on full hd.


Would like to clarify when I mean "max out" I'm also talking about maxing out the AA options which I agree is a conceptual error because AA option shouldn't be included when talking about maxing out a game being that max out features are the likes of extra textures, shadows, depth, etc.

In a game like Metro Last Light, which by default uses AAA and FXAA Anti-aliasing there are also the SSAA that goes up to 4x. It would be a error to think that maxing out Metro Last Light is setting SSAA up to 4X because that option, if you are playing a 1080p it's actually like playing at 4K resolution!
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a c 150 U Graphics card
September 22, 2014 9:01:49 PM

Exactly. Maxing out a game usually means ultra graphics with moderate AA. Nevermind, great choice on cards :) 
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October 17, 2014 4:44:18 PM

I have just upgraded from 2 GTX 680s to 2 GIGABYTE GTX 980s as I have a 65 inch samsung 4k tv that i use as a monitor for gaming. I have an ASUS Z87 motherboard, 16gb DDR3 ram and an i7 4770k motherboard running at stock 3.5GHZ. With 1 680 I scored just north of 6000 in 3D mark fire strike test which increased by about 4000 in SLI. However with the 980s I scored 10662 with 1 GTX 980 which was slightly above the 2 680s in SLI but it only increased to 11658 in GTX980 in SLI.
Is this accurate or have i scored too low in SLI. All i have changed is the 2 graphics cards
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less than a minute ago

You won't have any bottleneck from a 4770K
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