Triple monitor display or 4k

cannodal19 · Jul 9, 2014

I have been doing some research so now is time for some advice

System : 990FX mobo, FX8120, gtx 760 2gb, 8gb ram, ssd, 27" asus monitor

Planning on SLI the 760

I have found that one GTX760 was able to handle 30fps at 4k with vsync on so I'm thinking two should play 4k with some graphics turn slightly down in newer games at 45-60fps

Or should I buy two more of my asus monitors n go multi screen or go 4k? Mostly play FPS n racing games, Nothing else

oh n am I able to sli a 760 4GB with my 2GB 760

Deleted member 1300495 · Jul 9, 2014

NO. Get a high end GPU with at least 3GB of VRAM so that it will be able to run 4K.

Brunostako · Jul 9, 2014

Nope, multi-gpu configurations don't scale linearly. Get a R9 290X or a GTX 780Ti if you want to run 4K.

stokes1790 · Jul 9, 2014

I would bet you'll run into VRAM cap at only 2GB in 4k. But maybe you can get away with it. I suppose 4k is like running 1080p with 4xmsaa as far as VRAM is concerned, and I'm able to do that pretty consistently at 60fps with 670s in sli, which is basically the same card as your 760.

I'm confused as to which parts you already have and which you are considering buying though.

You have a 4k display and a 760 2gb already? In that case yea SLI is probably going to be worthwhile (4gb VRAM on the second card won't do anything though sli defaults to lowest VRAM). If you don't have the graphics cards yet, I would suggest getting at least 3GB per gpu.

Triple monitor 1080p (so 5700x1080ish) will be like 75% the pixels of 4k, so it will use roughly 75% as much VRAM. In either case buying a 2GB card new atm seems like a bad call.

cannodal19 · Jul 9, 2014

Currently I own a 27 asus and a 760 2g. I'm planning on sli because facts show two of these guys will run with a titan.

Deleted member 1300495 · Jul 9, 2014

No, they will not. 2GB or VRAM is only enough to run one 1440p monitor, not multiple 4K monitors. Also, when you SLI cards, VRAM stays the same, it does not increase

shadow32 · Jul 9, 2014

If you play racing games, 3 monitors would be awesome. I'd build a chair and steering wheel to complete the setup.

But like they said, you will be limited with 2GB of VRAM. the VRAM doesn't stack (ie: 2gb+2gb=4GB)

stokes1790 · Jul 9, 2014

Yes, that is a mostly accurate assessment of the Sli potential. a few caveats though. 1st the VRAM on a titan is 6gb, you will have 2gb in your setup, so like others are mentioning you will likely hit the VRAM cap as you increase the resolution (although turning off AA might help somewhat). Also, performance similar to a titan is given optimized scaling, there are a lot of games with poor scaling, and even some full AAA releases without any Sli profile at all (CoH2 and Rome2 come to mind as particularly egregious offenders )

My advice would be to forego getting a second 760, and instead save for a maxwell (800 series) card with 4gb+ of VRAM. 2gb is really not preferable to go beyond 1080p

stokes1790 · Jul 9, 2014

shadow32 :

2+2=/=4 is what he means.

Deleted member 1300495 · Jul 9, 2014

Actually, 2GB+2GB=2GB VRAm. You all are wrong

cannodal19 · Jul 9, 2014

See this is why I love the forums! Awesome insight as I did not know the vram didn't increase which everyone is right, 2gb is not enough for multi or 4k gaming at a max res.

Now I have always used Nvidia cards n what are your suggestions on the 780ti or the r290? I have always like Nvidia with there drivers, is amd doing well with there drivers now? N one more question, is the r280 about the same as my 760? I think I have a chance to pick up two 280 for a pretty decent price

N also one more ?. Since I have a 2gb 760, will a 4gb 760 work if I use the 2gb as the secondary card n still have 4gb or would it revert to the 2gb card

Brunostako · Jul 9, 2014

In multi-GPU configuration, everything is mirrored. Even when you have two cards with 2GB, it doesn't mean you have 4GB of VRAM, you still have only 2GB on your config because the data is copied to both card's vram.

cannodal19 · Jul 9, 2014

So what if I bought a 4gb card with my 2gb card. Would I have only 2gb cause it can only mirror 2gb between the two?

Brunostako · Jul 9, 2014

cannodal19 :

That's correct. In SLI/CrossfireX the setup always uses the lower card as reference.

cannodal19 · Jul 10, 2014

Ok thanks for the feed back. Looks like I might save up for a more top tier card

leeb2013 · Jul 10, 2014

I use a 4GB R9-290 for 3 1050 monitors and it doesn't always achieve 60fps in latest AAA games, ultra settings, even with AA turned down. Also games are now sing 3-4GB on 3 monitors, more-so on 3x1080p.

unknownofprob · Jul 10, 2014

Yes, all the adding is incorrect. this is how it looks;

2GB+2GB=2GB

2GB+4GB=2GB

4GB+4GB=4GB

4GB+6GB=4GB

6GB+6GB=6GB

6GB+8GB=6GB

8GB+8GB=8GB -New R9 290X Toxic edition by Sapphire has 8GB Vram

If you have two R9 295X2's in Crossfire the Vram = 8GB, if you use one it is only 4GB.

If you have one 7990 the vram is 3GB, if you have two it is 6GB.

One GTX 690 is 2GB Vram, two is 4GB.

The dual-GPU'd cards are exceptions to the vram adding, not separate single-GPU'd cards.

cannodal19 · Jul 10, 2014

Good to know!! Looks like I have some more researching to do

Not sure yet if I want to blow 4-600 on a premo gpu just yet as I would have to spend a premo on either a 4k monitor or ditch my 27" asus display "as it is only a 60hz monitor" and go a a 23" mutli display as that will run another 6-800.. Looks like I need to save up 1300ish for gpu/monitor set up to really enjoy what I'm shooting for.

cannodal19 · Jul 10, 2014

Quick polll here "i might be able to pick these up lightly used from a friend"

1 XFX RADEON R9 290X 1000MHz 4GB DDR5 DP HDMI 2XDVI Graphics Card (R9290XENFC)

or
2 Sapphire Radeon R9 280X 3GB GDDR5 DVI-I/DVI-D/HDMI/DP Dual-X OC Version UEFI PCI-Express
or
2 Gigabyte R9 280X GDDR5-3GB DVI-I/HDMI/2xMini DP OC Graphics Card (GV-R928XOC-3GD REV2)

IF the r9 is available I might shoot for that one but what are your thoughts on crossfire with the other two

Deleted member 1300495 · Jul 10, 2014

The best idea would be to get a 780 6GB

Brunostako · Jul 10, 2014

cannodal19 :

I recommend taking the R9 290X, because of the newer core (Hawaii vs Tahiti) and the features. The R9 290X is very capable of 4K at stock, even more if you OC the memory and take advantage of the 512-bit bus.

Also, I think the R9 280X CrossFireX is more powerful, but all multi-gpu configurations suffer from a image problem that i don't remember it's name.

Deleted member 1300495 · Jul 10, 2014

The 290X is the best card for you as it has 4GB of VRAM, enough for one 4K monitor, and it is a beast at games. Plus, it is way cheaper than the 780ti, which still doesn't have enough VRAM

cannodal19 · Jul 27, 2014

Ok went with a PowerColor R9 290 "not able to unlock tho" n use a H50 to cool that and bought a h100i to cool cpu. Thanks for the suggestions guys!

Triple monitor display or 4k

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