Afterburner
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:07:54
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One of this items you may be missing... It is not the 1080 or the 1200... Is is the other res (In Landscape mode)... 2560? 1920? Think of it like this.... Some cards have a bigger gas tank (Vram) and can get farther before running out of gas... Others have a bigger engine (Clocks and Bandwidth)... Some have both... AKA GTX580 3.0's and similar models... There is no one size fits all. Some folks care about the small blips and want max performance at any setting... As I said in the other threads... That is not the majority. The majority will be fine and happy for now with 1.5 cards... And Like I have said other threads... This conversation always has one or two folks that fight the change. This is the same old conversation we have every single time games push the limits... Need proof? Here is one of many reviews back in 2006 saying the same thing... ( Link) Bottom line... How did we get from 256 to 512? Or 512 to 1.0 or 1.0 to 1.25 and 1.5? Oh that is right. Progress! YMMV
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peeler05
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:09:27
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Ok, well you guys are making me feel like getting another 580 1.5gb for sli would be kind of pointless for future proofing since Vram doesnt scale and you all are saying games in the future will require more than 1.5gb a vram. I was planning on getting another 580 when my 580 couldnt max out games by itself, which could be in 1-2 years, but since of the VRAM bottleneck, adding another 580 doesnt sound as apealing as spending a little more for the current high end card of the time . From all the information that is on the table, I am leaning toward not getting another 580 for SLI in the future, but instead, when the time comes that 1 580 isnt cutting it, I will just go ahead and pick up the best single gpu card of the time insteading of doing 580's in SLI because of the VRAM issue that you all are saying will hapen. Maybe when that happens i can use my 580 for physics or something. Part of the reason that I started this thread was me hoping that there was a chance that I could get a killer deal for another 580 on Black Friday, but it seems like it wouldnt be as future proof of a buy as a originally thought.
post edited by peeler05 - 2011/11/22 12:30:47
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dbe425
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:38:43
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I have a GTX580 3GB and play BF3 with everything maxed. Not tyring to start something but the extra VRAM makes a difference. At 1080p I never drop below the 60s. At any rate I would love another but just can't swing it right now. Also BF3 makes the card crank out some serious heat...I can't imagine what 2 would do.
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kalyyy
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:41:46
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1920*1080 and 1920*1200: you will not notice any improvments for BF3 between 3gb and 1.5gb that's all i can say all MAX details.
And for the future, Kepler will be out next year so it's useless to change for a 3gb version unless you have surrund gaming materiel.
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kaninja
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:42:22
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 Seriously, today's "overkill" is tomorrow's "just not quite enough."
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MJCRO
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:42:37
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+1, the 3GB VRAM helps a lot, I was just playing a little bit of Crysis 2 w/ a single 1080p monitor and hitting almost 2100MB usuage with the High-Res textures installed and DX11 enabled. One is a good choice, two is future proofing, three cards is just overkill until when the next series comes out and the top of line Kepler card will crap on 3 of your 580's. 
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:44:46
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Not overkill IMO. I could barely get 25-30FPS in everything maxed on Arkham City with one 580.
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MJCRO
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:49:43
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kaninja
Seriously, today's "overkill" is tomorrow's "just not quite enough."
Very good point!
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dbe425
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Re:2 580s in sli overkill for 1080p?
2011/11/22 12:58:41
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kalyyy
1920*1080 and 1920*1200: you will not notice any improvments for BF3 between 3gb and 1.5gb that's all i can say all MAX details.
And for the future, Kepler will be out next year so it's useless to change for a 3gb version unless you have surrund gaming materiel.
Is this your opinion or do you have something to back up this claim?
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kalyyy
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:06:02
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MJCRO
+1, the 3GB VRAM helps a lot, I was just playing a little bit of Crysis 2 w/ a single 1080p monitor and hitting almost 2100MB usuage with the High-Res textures installed and DX11 enabled. One is a good choice, two is future proofing, three cards is just overkill until when the next series comes out and the top of line Kepler card will crap on 3 of your 580's.
check this review... Crysis 2 Directx11 Extreme and Ultra same fps for 3gb and 1.5gb version, dev said there are some memory leaks for crysis 2.
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Wraith.
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:06:34
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MJCRO
+1, the 3GB VRAM helps a lot, I was just playing a little bit of Crysis 2 w/ a single 1080p monitor and hitting almost 2100MB usuage with the High-Res textures installed and DX11 enabled. One is a good choice, two is future proofing, three cards is just overkill until when the next series comes out and the top of line Kepler card will crap on 3 of your 580's.
It's wishful thinking and Highly unlikely that a Single top of the line Kepler is going to relieve itself all over my 3 classy's. We all crave that sort of leap in performance with each introduction of a new GPU but it never turns out that way and is the reason i'm planning on skipping a gen in favor of Maxwell. However, if in a snow balls chance that a Single Kepler can match my 3 Classifieds.... well then the hell with that, I'll be first in line! As for Vram usage.. no no.. we are all wrong it's just a massive "memory leak.." The collective knowledge of this forum knows nothing and soon we will have pictures that look similar to each other to prove our ignorance. I know sarcasm doesn't translate well over the net but please take the preceding as such.
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kalyyy
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:09:16
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kalyyy
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:13:21
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i never said 3gb are completly useless: it's the best choice for surround gaming of course and hight resolution. It can help too for mods for Skyrim i think (still new game so we can't say atm).
But for bf3 or crysis 2 directx11 ultra you don't need 3gb versions, so why we have same avg/min/max fps and no stutters on 1.5gb ? And same quality image for 1.5gb and 3gb? It's obviously a memory leak. And i doubt about the fact nvidia panel change the AA setting when the 1.5gb is used at his max or i need a proper review/test/guide of that :)
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dbe425
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:15:00
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^^^ Hate'n on my 580 3GB 
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kalyyy
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:20:26
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check the graph the 1.5gb is faster of 1fps :D
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sk2play 
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:27:16
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dbe425
kalyyy
1920*1080 and 1920*1200: you will not notice any improvments for BF3 between 3gb and 1.5gb that's all i can say all MAX details.
And for the future, Kepler will be out next year so it's useless to change for a 3gb version unless you have surrund gaming materiel.
Is this your opinion or do you have something to back up this claim?
Did you actually go from a 1.5gb to 3gb card to personally test. This review defies your statements which is at 3 time the resolution the OP is interested in. http://www.hardwarecanuck...-3d-performance-3.html So to the OP, I would be looking for that killer BF sale still
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sk2play
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:31:00
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kalyyy
I had to C&P the chart to WORD to read it but that definitely shows the power of SLI btw, just pretending to "quote reply" to the post also makes the chart more readable.
post edited by sk2play - 2011/11/22 13:33:11
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kaninja
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:36:46
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sk2play
kalyyy
I had to C&P the chart to WORD to read it but that definitely shows the power of SLI
btw, just pretending to "quote reply" to the post also makes the chart more readable.
Right click --> view image.
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dbe425
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:38:10
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Let me just say this... 1) I'm just messing with you kalyyy 2) I don't know why people feel the need to defend their hardware choices or attack others 3) I really could careless how others choose to spend their money 4) And most importantly... To this day I continue to be baffled when I see someone with 8 - 16 GBs of RAM, or a steroid pumped $500 - $1000 CPU, or a multiple GPU setup, or a triple screen setup, or a 1200 watt PSU, etc., etc., argue that having 3GB of VRAM is a waste. 
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sk2play
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Re:2 580s in sli overkill for 1080p?
2011/11/22 13:44:02
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dbe425
Let me just say this...
1) I'm just messing with you kalyyy
2) I don't know why people feel the need to defend their hardware choices or attack others
3) I really could careless how others choose to spend their money
4) And most importantly... To this day I continue to be baffled when I see someone with 8 - 16 GBs of RAM, or a steroid pumped $500 - $1000 CPU, or a multiple GPU setup, or a triple screen setup, or a 1200 watt PSU, etc., etc., argue that having 3GB of VRAM is a waste.
It is more a matter of what the OP has now and what is the best 'deal' option that advances the person's interest. Starting over from a existing 1.5gb to 3gb would make that person depressed while going SLI 1.5gb will make him gaga 
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Afterburner
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Re:2 580s in sli overkill for 1080p?
2011/11/22 14:04:37
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kalyyy
MJCRO
+1, the 3GB VRAM helps a lot, I was just playing a little bit of Crysis 2 w/ a single 1080p monitor and hitting almost 2100MB usuage with the High-Res textures installed and DX11 enabled. One is a good choice, two is future proofing, three cards is just overkill until when the next series comes out and the top of line Kepler card will crap on 3 of your 580's.
check this review...
Crysis 2 Directx11 Extreme and Ultra
same fps for 3gb and 1.5gb version, dev said there are some memory leaks for crysis 2.
You keep promoting one Review. It is getting old. Ignoring the same information over and over is not helping the OP. Not everyone needs to or should agree with me. And that is a two way street. The difference here is I backed my up with multiple sources. And Reviews to NOT equal real life. Not one review in three years is valid for all. It is only valid to that system parts/specs and runs... You continuously chose ignore the Fact that your Nvidia Drivers are doing their job by adjusting to meet the needs of your systems abilities in relationship to the demands fo the game(s) at the settings and resolutions chosen. In the real world... No two systems are a like and will not offer the same performance. Reviews are a paint brushing of "General" information as it would be impossible to cover all the systems and settings available to the end user. I have already provided links that help most understand these facts. Maybe just maybe for those that are not sure, should take the information being provided as a part of the true experience. After all. One review vs. thousands of real life testing... Is not a fair comparison. Real life wins.
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Afterburner
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Re:2 580s in sli overkill for 1080p?
2011/11/22 14:08:18
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kalyyy
i never said 3gb are completly useless: it's the best choice for surround gaming of course and hight resolution. It can help too for mods for Skyrim i think (still new game so we can't say atm).
But for bf3 or crysis 2 directx11 ultra you don't need 3gb versions, so why we have same avg/min/max fps and no stutters on 1.5gb ? And same quality image for 1.5gb and 3gb? It's obviously a memory leak. And i doubt about the fact nvidia panel change the AA setting when the 1.5gb is used at his max or i need a proper review/test/guide of that :)
Now there we go... Good info... There is always a memory leak. Always has been. ANd no one is saying only buy the 3.0 over the 1.5. Folks are only offering their experience or knowledge of the situation. Everyone needs to spend their $$ the way they see fit... But to tell someone that one 1.5 580 is going to give the exact same performance of the 3.0 version is not entirely true...
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Little Sister
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Re:2 580s in sli overkill for 1080p?
2011/11/22 14:10:20
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ask any member with a 3gb gpu and they will say its great because it is. any member with a 1.5gb will defend theres as well :P IMO 1.5gb SLI will be fine, but i would recommend 3gb to have no worries down the road. also depends on how long you plan to keep your gpus. i know im keeping mine fore a long while so i went for the 3gb and 3 of them. i should be good for a while IMO, unless direct x 12 or something comes, but even then tbh there gtx 295's that still max most games out with np.
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Afterburner
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Re:2 580s in sli overkill for 1080p?
2011/11/22 14:13:00
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And before this OP gets lost... I would get a second 1.5 and rock the house with it. Until "Most" of the games you play "Need" 3.0... There is no need to get 3.0. As SLI will give you and experience that no Single GPU card of 3.0 can do today. I would also add... That any GPU purchase today outlives it's "Future proofing" in about six months... Then it turns to tweaking the settings for about a year... and then the last six months of a two year cycle you are holding back for the "Next Gen" of cards and the entire process starts all over again... Basically, waiting only moves the start time of the clock... That is all... 
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boredgunner
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Re:2 580s in sli overkill for 1080p?
2011/11/22 14:15:38
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How are you getting 30-40 FPS in BF3 on Ultra at 1920 x 1080? I play it at the same res with only a 4.2 GHz i5 760 and a GTX 480 at 800/1600/1000, and I get a solid 50-60 FPS with everything maxed out (including FXAA, and eye candy forced via NVIDIA Control Panel although I use default in-game AA). Anyway, if your one GTX 580 is not sufficient for other games you have or plan to get (like Batman: Arkham City), then I suppose you can get a second GTX 580. I'm waiting for Kepler before I upgrade. In the meantime, you can try out some SSDs if you don't have one.
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Little Sister
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Re:2 580s in sli overkill for 1080p?
2011/11/22 14:21:36
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arkham city is crap right now, thats why it cant handle it. game coding sux...lol
OP go with another 1.5gb 580 and enjoy.
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dbe425
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Re:2 580s in sli overkill for 1080p?
2011/11/22 14:29:10
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Little Sister
arkham city is crap right now, thats why it cant handle it. game coding sux...lol
OP go with another 1.5gb 580 and enjoy.
+1
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MJCRO
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Re:2 580s in sli overkill for 1080p?
2011/11/22 17:02:36
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IDC anyone says, I love my card and I ain't getting rid of it until I get my $600 worth. 
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betito477
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Re:2 580s in sli overkill for 1080p?
2011/11/22 18:39:03
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Still kind of confused. So if I game at 1080p with 1 monitor will I see a noticeable difference playing at the same resolution with SLI? I heard SLI only benefits you if you play at resolutions higher than 1080p?
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glw165
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Re:2 580s in sli overkill for 1080p?
2011/11/22 21:38:27
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i have 2 msi lightnings 580's and vsync forced off i get 93 to 148 in bf3 everything ultra and aa 4x
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