F0rg3
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Re:TRI SLI GTX460?
2010/07/21 12:20:13
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If it's a driver issue it's only a matter of time before modified drivers are released.
It would be nice to get a confirmation on what is exactly stopping Tri-SLI with these cards.
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Moltenlava
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Re:TRI SLI GTX460?
2010/07/21 12:26:29
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F0rg3
If it's a driver issue it's only a matter of time before modified drivers are released.
It would be nice to get a confirmation on what is exactly stopping Tri-SLI with these cards.
Its to do with the drivers, they will not support Tri SLI on the GTX 460, its possible I guess someone could modify the drivers to allow this but since its never happened on countless previous cards that didnt support Tri-SLI I dont see why the GTX 460 will be any different.
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 12:34:43
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Even if someone did get it to work, would the performance hit from not using a bridge be worst then using 2 460's with a bridge.
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HeavyHemi
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Re:TRI SLI GTX460?
2010/07/21 12:51:28
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Seems every one has forgotten there are physical ie electrical aspects of SLI communication via bridges and the PCIe bus which are of course, independent of the drivers.
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zurginator
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Re:TRI SLI GTX460?
2010/07/21 13:00:27
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Actually the SLI connectors are simple PCIe x1 connectors. They literally do just provide bandwidth between the cards, which is why sometimes using 2 bridges in 2-way SLI will increase performance slightly.
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20207551003431 
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Re:TRI SLI GTX460?
2010/07/21 13:41:55
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HeavyHemi
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Re:TRI SLI GTX460?
2010/07/21 17:28:07
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zurginator
Actually the SLI connectors are simple PCIe x1 connectors. They literally do just provide bandwidth between the cards, which is why sometimes using 2 bridges in 2-way SLI will increase performance slightly.
Uh not quite.... The SLI connector is a proprietary link between GPUs that transmits synchronization, display, and pixel data. The SLI connector enables inter-GPU communication of up to 1GB/s, consuming no bandwidth over the PCI Express bus. http://www.slizone.com/page/slizone_faq.html#g1 And of course if it were true that using two bridges actually increased performance, the top OCers would be using them and they are not. Several members here have made comparison runs and not a one showed any measurable difference.
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20207551003431
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Re:TRI SLI GTX460?
2010/07/21 18:08:08
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At the end of the day its basically there for BANDWIDTH no matter what the Data is.
Works without it, nothing changes in Nvidia CP Menu's or any other aspect of a games apart from drops performance on most higher end cards.
I did not see any real loss with 2x260 216's in games but could bench and see 8-10% gain with bridge.
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HeavyHemi
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Re:TRI SLI GTX460?
2010/07/21 18:26:09
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helmutcheese
At the end of the day its basically there for BANDWIDTH no matter what the Data is.
Works without it, nothing changes in Nvidia CP Menu's or any other aspect of a games apart from drops performance on most higher end cards.
I did not see any real loss with 2x260 216's in games but could bench and see 8-10% gain with bridge.
At the end of the day, it is better to have correct and accurate information versus incorrect and misleading information. Don't you agree? In addition, it would also depend upon the particular board and the PCIe slot speeds for the effect on performance. I was was also pointing out in a prior post that each GPU has hardware scalability logic which determines how it can run in SLI. Later
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20207551003431
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Re:TRI SLI GTX460?
2010/07/21 19:10:20
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No I do not agree TBH.
The PCI-E 1.0/1.1/2.0 has been covered already so why repeat ?
My Mobo is very obviously PC-E 2.0 as its a P45 but with 2 GPU's slots drop to 8x.
All the fancy talk does not change the fact its about saving PCI-E Bus bandwidth and it matters not to anything bar its slower without a bridge.
Not sure who is posting misleading information but there sure does seem to be some experts here who think what they preach is the gospel !
The thread topic is about running 3x 460's in SLI by any means AFAIC.
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 19:12:36
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helmutcheese
Not sure who is posting misleading information but there sure does seem to be some experts here who think what they preach is the gospel !
And none of those people being yourself right?
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20207551003431
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Re:TRI SLI GTX460?
2010/07/21 19:20:36
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Everything I told you in the other thread and this thread has been correct yes ?
You prefer to go back to the same nonsense in other thread ?
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 19:22:27
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helmutcheese
Everything I told you in the other thread and this thread has been correct yes ?
You prefer to go back to the same nonsense in other thread ?
mmmmmkay!!!
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20207551003431
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Re:TRI SLI GTX460?
2010/07/21 19:23:10
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 19:23:45
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helmutcheese
Good !
No I wasn't agreeing with you haha. Just saying mmmmmkay!!!!!
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20207551003431
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Re:TRI SLI GTX460?
2010/07/21 19:25:02
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Hmm well I was wrong to give you a 2nd chance it would seem (actually was beginning to think you were OK) !
Will not make same mistake a twice !
Are we OK or not ?
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zurginator
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Re:TRI SLI GTX460?
2010/07/21 19:25:05
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Who actually bothered to just now go test in-game with and without SLI bridge? This guy.
The results (2 480s on a twin x16 board)
Metro 2033 w/ bridge: Average ~110, usually saw higher, but dipped to 80s in the intro combat.
Metro 2033 w/o bridge: Average ~60, dipped to the 30s in intro combat.
Not perfect by any means, as the game would have been slightly different in each case, but it shows there is a significant help in 400 series. Next up is 2 bridges, I'll report back.
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 19:26:09
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zurginator
Who actually bothered to just now go test in-game with and without SLI bridge? This guy.
The results (2 480s on a twin x16 board)
Metro 2033 w/ bridge: Average ~110, usually saw higher, but dipped to 80s in the intro combat.
Metro 2033 w/o bridge: Average ~60, dipped to the 30s in intro combat.
Not perfect by any means, as the game would have been slightly different in each case, but it shows there is a significant help in 400 series.
Thank you!!!! I see a lot more then 8-10% difference hahahahhah.
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20207551003431
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Re:TRI SLI GTX460?
2010/07/21 19:27:25
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The 480's are past my limit of PCI-E 2.0 both at 8x so loss will be greater for me more so than it is for you if you have a X58 Mobo over a P55 or in my case hacked P45 !
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 19:28:44
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helmutcheese
The 480's are past my limit of PCI-E 2.0 both at 8x so loss will be greater for me more so than it is for you if you have a X58 Mobo over a P55 or in my case hacked P45 !
Ohh I thought you were speaking for everyone earlier. I thought you said the performance difference would be very little or something like that.
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20207551003431
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Re:TRI SLI GTX460?
2010/07/21 19:29:26
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Bowenac
zurginator
Who actually bothered to just now go test in-game with and without SLI bridge? This guy.
The results (2 480s on a twin x16 board)
Metro 2033 w/ bridge: Average ~110, usually saw higher, but dipped to 80s in the intro combat.
Metro 2033 w/o bridge: Average ~60, dipped to the 30s in intro combat.
Not perfect by any means, as the game would have been slightly different in each case, but it shows there is a significant help in 400 series.
Thank you!!!! I see a lot more then 8-10% difference hahahahhah.
You back to acting a fool ? 8-10% was MY findings (2x 260's) and another peep posted 5-10FPS if YOU remember. The above user has 2x 480's, use come sense it will be far greater loss. At the end of the day you have never even ran SLI !
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20207551003431
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Re:TRI SLI GTX460?
2010/07/21 19:32:29
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Bowenac
helmutcheese
The 480's are past my limit of PCI-E 2.0 both at 8x so loss will be greater for me more so than it is for you if you have a X58 Mobo over a P55 or in my case hacked P45 !
Ohh I thought you were speaking for everyone earlier. I thought you said the performance difference would be very little or something like that.
You do not think only use your mouth, so I'm done with you forever.
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HeavyHemi
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Re:TRI SLI GTX460?
2010/07/21 19:36:46
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helmutcheese
No I do not agree TBH.
The PCI-E 1.0/1.1/2.0 has been covered already so why repeat ?
My Mobo is very obviously PC-E 2.0 as its a P45 but with 2 GPU's slots drop to 8x.
All the fancy talk does not change the fact its about saving PCI-E Bus bandwidth and it matters not to anything bar its slower without a bridge.
Not sure who is posting misleading information but there sure does seem to be some experts here who think what they preach is the gospel !
The thread topic is about running 3x 460's in SLI by any means AFAIC.
Interesting. How could anyone disagree with posting correct and accurate information? BTW, you can argue with the Gospel of Nvidia as that is the source for the information I posted. "Fancy talk" I laughed out loud. This is a TECH FORUM you know?
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zurginator
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Re:TRI SLI GTX460?
2010/07/21 19:37:07
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Twin-bridge results are strange. The average falls right in between no bridge and 1 bridge, however, twin bridges had much more stable FPS. They didn't drop as low, but didn't hold as high either.
Maybe I'll try it again once I get 2 identical bridges.
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 19:37:28
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helmutcheese
Bowenac
zurginator
Who actually bothered to just now go test in-game with and without SLI bridge? This guy.
The results (2 480s on a twin x16 board)
Metro 2033 w/ bridge: Average ~110, usually saw higher, but dipped to 80s in the intro combat.
Metro 2033 w/o bridge: Average ~60, dipped to the 30s in intro combat.
Not perfect by any means, as the game would have been slightly different in each case, but it shows there is a significant help in 400 series.
Thank you!!!! I see a lot more then 8-10% difference hahahahhah.
You back to acting a fool ?
8-10% was MY findings (2x 260's) and another peep posted 5-10FPS if YOU remember.
The above user has 2x 480's, use come sense it will be far greater loss.
At the end of the day you have never even ran SLI !
Seriously are you 12 haha. I have ran SLI many times in the past, 8800gt, 8800GTS, 260's. Don't try to act like you know me, or know what I have and haven't ran. You have not been here very long, but yet your always running your mouth off. It is very childish. And then your constantly telling me to learn how to type senteces instead of blocks. Assuming you don't know what a paragraph is, and you should learn how to type, I don't understand ebonics, acting a fool yo, use come sense WHAT????
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zurginator
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Re:TRI SLI GTX460?
2010/07/21 19:40:07
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Please don't make me dig out my 260s to post them too. Because it was much the same, though 50% of the time without the bridge I got a BSOD.
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 19:43:30
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zurginator
Please don't make me dig out my 260s to post them too. Because it was much the same, though 50% of the time without the bridge I got a BSOD.
Not needed he already proved to us all that he is the expert and there is only a 8-10% difference with 260's. Oh NM that was with his hacked P45 :). I will post my results tomorrow for my 460's. I just hope that Jacob was able to get my bridge out in time for it to be here tomorrow when I receive my cards.
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zurginator
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Re:TRI SLI GTX460?
2010/07/21 19:44:48
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Bowenac
zurginator
Please don't make me dig out my 260s to post them too. Because it was much the same, though 50% of the time without the bridge I got a BSOD.
Not needed he already proved to us all that he is the expert and there is only a 8-10% difference with 260's. Oh NM that was with his hacked P45 :).
I will post my results tomorrow for my 460's.
I just hope that Jacob was able to get my bridge out in time for it to be here tomorrow when I receive my cards.
Post bridgeless results! :D
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HeavyHemi
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Re:TRI SLI GTX460?
2010/07/21 19:45:09
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zurginator
Please don't make me dig out my 260s to post them too. Because it was much the same, though 50% of the time without the bridge I got a BSOD.
It's not that big of a deal. We were using the Heaven Bench for comparison runs and all of them running one or two bridges were within the usual margin between runs with some running 2 bridges, actually a bit lower...but nothing that really stood out as making a difference one way or the other.
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Bowenac
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Re:TRI SLI GTX460?
2010/07/21 19:45:46
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zurginator
Bowenac
zurginator
Please don't make me dig out my 260s to post them too. Because it was much the same, though 50% of the time without the bridge I got a BSOD.
Not needed he already proved to us all that he is the expert and there is only a 8-10% difference with 260's. Oh NM that was with his hacked P45 :).
I will post my results tomorrow for my 460's.
I just hope that Jacob was able to get my bridge out in time for it to be here tomorrow when I receive my cards.
Post bridgeless results! :D
Yea I was gonna do that either way. Sure it will be fine with no bridge haha very little difference haha.
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