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post #2271 of 8961
Quote:
Originally Posted by thestache View Post

They are useless for surround.

Fact.
Battlefield 3 uses more than 2GB VRAM in 1080P surround and above. With the settings turned down, yes it'll work and it'll work well. But does the game run with it's default ultra settings? No. Ultra includes everything maxed, AA included so no, the game does not run on 2GB surround.
Ultra without AA, without HBAO and without motion blur it ran pretty good on most maps (around 1800-1900MB) with my GTX 690 but some like karkand didn't in heavy action. Just didn't have enough VRAM.

I am not sure if you are serious or not but please explain to me how I can run BF3 at 5760*1080 with everything set on ultra and VRAM sits at a max of~2000MB? This is with 2*2GB MSI Lightning 680's. It wasn't particulary smooth but the frame returns were more than fine.



I did extensive testing when I was seriously bored and not one of those games maxed out the VRAM. I have now found a game that does exceed the 2GB at 5760*1080 and that is Far Cry 3. I put everything to the max and set 8*MSAA and it used 2051MB and was a slideshow. This is the first vanilla game that I have seen do that. The fact is though, with 2*MSAA and everything set on max, the game wouldn't be playable as the frames would be so low with 2*680's.

Ohhh and they are more than capable at surround wink.gif
    
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post #2272 of 8961
Quote:
Originally Posted by Gregster View Post

I am not sure if you are serious or not but please explain to me how I can run BF3 at 5760*1080 with everything set on ultra and VRAM sits at a max of~2000MB? This is with 2*2GB MSI Lightning 680's. It wasn't particulary smooth but the frame returns were more than fine.

I did extensive testing when I was seriously bored and not one of those games maxed out the VRAM. I have now found a game that does exceed the 2GB at 5760*1080 and that is Far Cry 3. I put everything to the max and set 8*MSAA and it used 2051MB and was a slideshow. This is the first vanilla game that I have seen do that. The fact is though, with 2*MSAA and everything set on max, the game wouldn't be playable as the frames would be so low with 2*680's.
Ohhh and they are more than capable at surround wink.gif

Look a few posts above you. I showed what Far Cry 3 will use with ultra settings with each step of MSAA used. I actually play the game in ultra with 2X MSAA that is the settings I play with. The game is very playable and runs really smooth.
It's actually very playable with 4xMSAA with sli 4gb 670s so I'm sure the 4gb 680s would work even better with it.

You can also see from my tests that 8xMSAA with everything else as high as you can possibly set it in game used 3870 max Vram. If it wouldn't have been for the screen flickering the game would have been playable. I've done the 8X before playing sround and it didn't flicker like this, I don't know why it did during this test. It wouldn't be near as smooth as someone would want but it was in the 20s for FPS and maybe with a decent OC on the cards even playable and up in the 30s. I ran my tests with stock settings for GPUs and CPU.
I have seen over 4GB being used on some parts but not the base I was testing.

So here is one case where 4GB 670s are able to handle settings that 2GB 680s can not and it seems like they can go a good bit higher. No MSAA for the 680s, but the 670s can handle 4 MSAA pretty decent at playable FPS.

It would be great if you would go and run the same test that I did at the first camp on Far Cry 3 and see what kind of FPS you get with each step ov MSAA added. If you will be kind enough to do that make sure you max out everything in the game, even the HBAO and enhanced alpha coverage. I don't know why it's so hard to get someone to try and help actually compare some 2GB vs 4GB cards.

It seems the only people that say 4GB is not needed are people who don't have 4GB. It is certainly not needed to run triples, but it would be nice to see what the actual benefits are, and where they start and stop.

I'm not trying to put down people with 2GB cards. It would just be really nice to have some actual tested data so when someone asks it not just a guessing game and people saying you don't need this or that without actually having tested them. Maybe in the end you really don't need 4GB, i would love to find out.

And what is happening with all the Vram the 2GB cards are not using when a 4GB card uses 2.7 Vram and a 2GB card is maxed at the exact same settings. Are textures being downgraded or what?
Edited by bevo - 12/13/12 at 9:41am
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post #2273 of 8961
Quote:
Originally Posted by bevo View Post

It seems the only people that say 4GB is not needed are people who don't have 4GB. It is certainly not needed to run triples, but it would be nice to see what the actual benefits are, and where they start and stop.
I'm not trying to put down people with 2GB cards. It would just be really nice to have some actual tested data so when someone asks it not just a guessing game and people saying you don't need this or that without actually having tested them. Maybe in the end you really don't need 4GB, i would love to find out.
And what is happening with all the Vram the 2GB cards are not using when a 4GB card uses 2.7 Vram and a 2GB card is maxed at the exact same settings. Are textures being downgraded or what?

no offense but these test have been ran by all the big review sites already and a lot of users on ocn and evga forums. it has been a debate since the 680 was announced and only had 2gb. it really has been laid to rest. some people just see 2 vs. 4 and auto think 4 is better.... and I am a person with two 670 4gb but my my application 4gb is a must, but for 5760x1080 it's not necessary (at this present time) to have 4gb. Unless you run skyrim with 100 graphic mods. Any game in surround with 2gb cards at 5760x1080 (given you have a card with actual POWER) will run any game fine now.

at the end of the day the price between 2gb and 4gb really ain't that big of a deal if you can already afford multiple cards. When I bought my two 670s sc 4gb's cards months ago, it cost $50 more for 4gb.

if you already got 2gb cards. DON'T worry just have fun!
post #2274 of 8961
@ Bevo, I told you I used 2051MB with ultra and 8*MSAA. My point is for me, this game isn't playable at those settings, even if I did have 4GB of VRAM. The settings needed to be turned down to get it smooth. Also when I bought my first 680 on day 1 of release, the 4GB 680 wasn't available (the same as the sensibler choice 670). I bought another for SLI and was so pleased with the performance of the MSI Lightning, I sold my EVGA and bought another Lightning. I would recommend any new buyers to buy 4GB cards (or 3GB 7950's) purely for a little more future proofing.
    
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post #2275 of 8961
To end the debacle:

1080/1200: 2gb or < is fine

1440/1600+: 2gb or more


I still strongly believe that 2gb is now the standard. Its has not reached status of the minimum recommended imho. Nor is it the most bad-a$$ (and e-peen) option. That falls to the 6gb 7970 wink.gifbiggrin.giftongue.gif
post #2276 of 8961
http://forums.overclockers.co.uk/showthread.php?t=18444958

This guy did similar tests to me and shows that 2GB is enough at 5760*1080. Like I said, for this resolution, I would recommend 4GB 670's or 3GB 7950's as these cards are so close in prformance to their respective bigger brothers, it makes monetary sense to buy these instead. I am Nvidia tied (and happy to be) with my 3 Asus VG278H monitors (Built in 3D vision with Lightboost).

Far Cry 3 is the only game I have seen use more than 2GB and don't forget that 4GB cards (or 3GB) will cache textures. That is why you see more VRAM usage than me Bevo. It is pointless to test at each setting, as we will both use different amounts of VRAM.

As Descadent says, it has been proven by reviewers/testers that 2GB is enough.

Nobody is offended Bevo smile.gif
    
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post #2277 of 8961
Quote:
Originally Posted by wermad View Post

To end the debacle:

1080/1200: 2gb or < is fine

1440/1600+: 2gb or more


I still strongly believe that 2gb is now the standard. Its has not reached status of the minimum recommended imho. Nor is it the most bad-a$$ (and e-peen) option. That falls to the 6gb 7970 wink.gifbiggrin.giftongue.gif

I'm good with that... thumb.gif
post #2278 of 8961
Quote:
Originally Posted by Gregster View Post

http://forums.overclockers.co.uk/showthread.php?t=18444958
This guy did similar tests to me and shows that 2GB is enough at 5760*1080. Like I said, for this resolution, I would recommend 4GB 670's or 3GB 7950's as these cards are so close in prformance to their respective bigger brothers, it makes monetary sense to buy these instead. I am Nvidia tied (and happy to be) with my 3 Asus VG278H monitors (Built in 3D vision with Lightboost).
Far Cry 3 is the only game I have seen use more than 2GB and don't forget that 4GB cards (or 3GB) will cache textures. That is why you see more VRAM usage than me Bevo. It is pointless to test at each setting, as we will both use different amounts of VRAM.
As Descadent says, it has been proven by reviewers/testers that 2GB is enough.
Nobody is offended Bevo smile.gif

It is good thing I read the latest posts. I was a out to throw away my FTW 670 2gb.
post #2279 of 8961
Quote:
Originally Posted by vaporizer View Post

It is good thing I read the latest posts. I was a out to throw away my FTW 670 2gb.

No, you were right to do that. In fact I recycle video cards if you would like to just send it to me I'll take care of it for you. thumb.gif
 
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post #2280 of 8961
Quote:
Originally Posted by vaporizer View Post

Quote:
Originally Posted by Gregster View Post

http://forums.overclockers.co.uk/showthread.php?t=18444958
This guy did similar tests to me and shows that 2GB is enough at 5760*1080. Like I said, for this resolution, I would recommend 4GB 670's or 3GB 7950's as these cards are so close in prformance to their respective bigger brothers, it makes monetary sense to buy these instead. I am Nvidia tied (and happy to be) with my 3 Asus VG278H monitors (Built in 3D vision with Lightboost).
Far Cry 3 is the only game I have seen use more than 2GB and don't forget that 4GB cards (or 3GB) will cache textures. That is why you see more VRAM usage than me Bevo. It is pointless to test at each setting, as we will both use different amounts of VRAM.
As Descadent says, it has been proven by reviewers/testers that 2GB is enough.
Nobody is offended Bevo smile.gif

It is good thing I read the latest posts. I was a out to throw away my FTW 670 2gb.
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