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Should I upgrade my GPUs for triple screens?

post #1 of 7
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I've started running triple screens in the last few months. I'm using my sig rig for it and am wondering if I would benefit from going with a single 4gb 670 over my 1.2G 570s. I'm also getting some stuttering in iracing and i think it might be SLI that's causing it but not sure, because I can't try it with triple screens without sli. I really don't know if the extra Vram would outweigh the raw power of 2 570s over a single 670 or not.

Also do you think it would be worth just waiting for the next 700 series? I can't really find much info about the next series. It seems like maxwell is going to be 2014 and I doubt I wait that long to upgrade. If the next series is going to be a huge upgrade I would just wait, but if it's going to be a minor one then I would rather just get a 4gb card now if the extra Vram will actually help as much as some claim with running triple screens.

One game that kind of hit's my 570s pretty hard is BF3 on triples. If I set the graphics to high it will even blue screen my PC. Iracing also kind of hits them hard on a few of the tracks, and I have pretty low drops in FPS and even decent settings. I don't know if this is a Vram issue or just bad optimization in iracing.
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post #2 of 7
Wrell it is said that the extra GB in GFX cards are useful only for 3 screen purposes so yeah,you'd get an improvement I think so.

Still, 2 570s is already a great set-up,, I'm sure you can already play the majority of games at very good sttings without problems.

But yeah, BF3 is known to use a great deal of VRAM, I've been told it uses 2GB maxed out.

I'd say, If you have the funds now for getting yourself new 4gb cards, I'd say do it now, don't wait for the 7 series. Indeed when the 7 series will come out, your 570s will be 2 generations late and you will sell it for peanuts. As of now, you still can sell your 570s at a decent price.

Also, it's better to wait until a generation of material is more developped. Buy a 7xx only when it's already expanded on the market. I mean when the 7 series come out, at first only reference cards will be made and prices will be very high. Then, wait for the first customer reviews, then the good cards with atermarket cooler come out a few months later. Also prices drop.

Just my input.
post #3 of 7
what about amds cards? i always thought amd they did 3 monitors better? a $300 7950 comes with 3 gig of ram.
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post #4 of 7
Quote:
Originally Posted by toyz72 View Post

what about amds cards? i always thought amd they did 3 monitors better? a $300 7950 comes with 3 gig of ram.

It may be a better buy but the OP isn't asking for any card advice.


OP when you hit the vram limit, it's called vram choke. Your card doesn't have enough memory so it has to resort to system memory/page file and that is no fun. The 4gb memory on the 670/680 will surely fix that. However you should know that it would somewhat be a sidegrade to 570 sli putting aside your vram issue.
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by tsm106 View Post

It may be a better buy but the OP isn't asking for any card advice.
OP when you hit the vram limit, it's called vram choke. Your card doesn't have enough memory so it has to resort to system memory/page file and that is no fun. The 4gb memory on the 670/680 will surely fix that. However you should know that it would somewhat be a sidegrade to 570 sli putting aside your vram issue.

I have been getting some page faults in iRacing. I never use to get that at all with a single screen. Is that what your refering to with the memory/page file.
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post #6 of 7
Quote:
Originally Posted by bevo View Post


I have been getting some page faults in iRacing. I never use to get that at all with a single screen. Is that what your refering to with the memory/page file.


It very well could be the result. When the gpu hits vram choke, the normal processes in the computer stops because it is now inundated with the task of swapping vram out to disk. This can cause memory/bit errors or even crashing outright.
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post #7 of 7
Thread Starter 
Last night I ran some Vram tests. Here's what i got for different games. I just used my keyboard screen and MSI afterburner to get these and all were done with triple screens at 5760x1080

iRacing= It pretty much ran at 1060 all the time while in game. Pretty high settings. This game has a setting though that lets you set how much Vram you have. It says to set it about 100 low so this may be why it locks itself at 1060

Far Cry 3= It would get up to about 1200 some but was usually at 1150 or so most of the time. This is with pretty much all medium settings and no AA.

Counter strike, whatever the new one is I can't remember=This game used the most. It was at 1240 almost the entire time maxed out.

Didn't get to try BF3. There was a almost 4gb update and it never finished while I was messing around.

Looks like I could certainly use more Vram. Every game I tried was pretty much maxing me out the entire time it was running.

I'm gonna order a 670 today and will do a bunch of benchmark tests with triple screens with my sli 570s before it comes to compare to the single 670 and then the sli 670 when I go that far. I'm really interested to see if I can push the AA insome games with the one 670 as compared to 570s. AA seems to be the thing that kills me now, and everyone claims that's what uses a bunch of Vram.
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50 inch panny plasma for shooters and movies G510 kingwin 1000 in win dragon rider 
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