laser192882
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I am running a 790i Digital PWM still with a GTX 770 and a QX9770 overclocked to 3.7GHz. Would it be beneficial to run my GTX 260 core 216 as a physx card? or is it even possible?
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bob16314
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 12:17:54
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Yes, it's possible, but only if you clean install driver 340.52 or older first before you put the GTX 260 in the bottom PCIe slot..A GTX 260 isn't supported in newer drivers than that..Then you can select to dedicate it to PhysX in the NVIDIA Control Panel..Run some benches like Unigine Valley or 3DMark with/without it and see, it will give you something new to do..Prolly gonna take a hit though..Let's find out 
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laser192882
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 12:31:27
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Does that require an SLI ribbon?
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bob16314
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 12:35:06
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* Corsair Obsidian 450D Mid-Tower - Airflow Edition * ASUS ROG Maximus X Hero (Wi-Fi AC) * Intel i7-8700K @ 5.0 GHz * 16GB G.SKILL Trident Z 4133MHz * Sabrent Rocket 1TB M.2 SSD * WD Black 500 GB HDD * Seasonic M12 II 750W * Corsair H115i Elite Capellix 280mm * EVGA GTX 760 SC * Win7 Home/Win10 Home * "Whatever it takes, as long as it works" - Me
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the_Scarlet_one
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 12:52:50
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No. The SLI ribbon won't be required.
More than likely, you won't see much benefit from the 260, except in maybe one or two games. Be prepared for to actually drag your performance down in most games.
For an SLI ribbon to be required, you would need to be running SLI capable cards, which these are nowhere near compatible.
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laser192882
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 14:12:39
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I just figured i'd give it a whirl since I have the older card sitting around
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laser192882
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 14:15:16
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Just out of curiosity...I also have a GTX 295 sitting around, could that be utilized for PhysX or will only one GPU be used to handle PhysX?
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bob16314
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 14:25:25
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Scarlet-Tech
No. The SLI ribbon won't be required.
More than likely, you won't see much benefit from the 260, except in maybe one or two games. Be prepared for to actually drag your performance down in most games.
For an SLI ribbon to be required, you would need to be running SLI capable cards, which these are nowhere near compatible.
 ..Yes you do need the SLI bridge, for the extra bandwidth..Yes he can dedicate the 260 for PhysX..Laser is talking about PhysX, not 2-way SLI, then of course it wouldn't be compatible..I had an old 9800 GTX+ dedicated to PhysX with my 760 just for kicks to see how far down the toilet my PhysX score would go, which was all the way to the center of the earth I think 
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laser192882
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 14:31:21
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Would a 295 work the same way as a physx card? I'm guessing something would need to be changed since it's a dual gpu card
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the_Scarlet_one
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 14:40:44
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bob16314
Scarlet-Tech
No. The SLI ribbon won't be required.
More than likely, you won't see much benefit from the 260, except in maybe one or two games. Be prepared for to actually drag your performance down in most games.
For an SLI ribbon to be required, you would need to be running SLI capable cards, which these are nowhere near compatible.
..Yes you do need the SLI bridge, for the extra bandwidth..Yes he can dedicate the 260 for PhysX..Laser is talking about PhysX, not 2-way SLI, then of course it wouldn't be compatible..I had an old 9800 GTX+ dedicated to PhysX with my 760 just for kicks to see how far down the toilet my PhysX score would go, which was all the way to the center of the earth I think
Suprisingly, I used a 750 TI with my cards for PhysX, which is way stronger than a 260, and it didn't help. As stated, you do not need the SLI bridge, as a 750 series doesn't even have one. The 295 would be better than a 260 but still isn't going to give much improvement if any. Users have shown using a 480 with a 780 doesn't help. Do you think older cards that draw away from the PSU will help more than newer cards that are stronger? To laser, it never hurts to try, but look at the forums and how many people removed their 280 from their rig because it slowed it down when they were using it with a 660ti. Your 770 is way stronger.. Think about a weaker card being pulled down because of another card.. Your strong get card is going to do the same, but it never hurts to try. One user tried using a 5th titan with a quad titan SLI. That was the only way he could gain a PhysX advantage. Any card below that didn't help or actually hurt his fps in PhysX enabled games. PhysX can will only use one card. My setups were a 750ti for PhysX. I tried it with 2 760 SC ACX in SLI, 2 780ti classifieds in SLI, 3 780ti classifieds in SLI and then with 1 780ti Classified. It had a negative or neutral effect in every batman game. The single 780ti was the only one with the neutral effect. Again, the SLI will not provide the mythical extra bandwidth.
post edited by Scarlet-Tech - 2014/12/10 14:45:09
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laser192882
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 14:43:33
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Scarlet-Tech
bob16314
Scarlet-Tech
No. The SLI ribbon won't be required.
More than likely, you won't see much benefit from the 260, except in maybe one or two games. Be prepared for to actually drag your performance down in most games.
For an SLI ribbon to be required, you would need to be running SLI capable cards, which these are nowhere near compatible.
..Yes you do need the SLI bridge, for the extra bandwidth..Yes he can dedicate the 260 for PhysX..Laser is talking about PhysX, not 2-way SLI, then of course it wouldn't be compatible..I had an old 9800 GTX+ dedicated to PhysX with my 760 just for kicks to see how far down the toilet my PhysX score would go, which was all the way to the center of the earth I think
Suprisingly, I used a 750 TI with my cards for PhysX, which is way stronger than a 260, and it didn't help. As stated, you do not need the SLI bridge, as a 750 series doesn't even have one.
The 295 would be better than a 260 but still isn't going to give much improvement if any.
Users have shown using a 480 with a 780 doesn't help. Do you think older cards that draw away from the PSU will help more than newer cards that are stronger?
To laser, it never hurts to try, but look at the forums and how many people removed their 280 from their rig because it slowed it down when they were using it with a 660ti. Your 770 is way stronger.. Think about a weaker card being pulled down because of another card.. Your strong get card is going to do the same, but it never hurts to try.
One user tried using a 5th titan with a quad titan SLI. That was the only way he could gain a PhysX advantage. Any card below that didn't help or actually hurt his fps in PhysX enabled games.
Ya that makes sense, I may give it a try just for the hell of it
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the_Scarlet_one
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Re: Running a GTX 260 Core 216 as Physx
2014/12/10 15:10:57
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Do it. Just remember to use legacy drivers as Bob stated. 340.52 or earlier.
Also, for the SLI bridge bandwidth comment. The 4 titans had an SLI bridge and the 5th was connected through a PCI riser cable and mounted behind the motherboard. There is no SLI bridge that long, and he actually gained performance.
Post your results before and after, please.
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candle_86
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Re: Running a GTX 260 Core 216 as Physx
2014/12/18 08:14:34
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honestly I tried a GTX 470 has physx for a GTX 770, the GTX 770 did better on its own in Batman AC, and Mafia II than with the 470, i shudder to think what a 260 would do to a 980 lol.
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NordicJedi
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Re: Running a GTX 260 Core 216 as Physx
2014/12/18 17:52:04
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SLI bridges are not used for PhysX. The drivers handle the offloading of the physics processing to the card. Putting an SLI bridge between cards that do not SLI will not affect performance, and would, if anything, likely only create issues in Windows.
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the_Scarlet_one
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Re: Running a GTX 260 Core 216 as Physx
2014/12/18 17:58:09
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NordicJedi
SLI bridges are not used for PhysX. The drivers handle the offloading of the physics processing to the card. Putting an SLI bridge between cards that do not SLI will not affect performance, and would, if anything, likely only create issues in Windows.
:-)
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lehpron
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Re: Running a GTX 260 Core 216 as Physx
2015/01/10 12:51:57
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Just remember the point for PhysX in games that support it: To do more physics calculations than the CPU could; but there is a limit since it creates more particles in the scene for the GPU to render, and that is why performance can drop compared to running without GPU PhysX. Luckily, your GTX770 = 3-way SLI GTX260, so it isn't like you've got too much PhysX available.
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candle_86
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Re: Running a GTX 260 Core 216 as Physx
2015/01/10 17:15:59
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but the question becomes can his GPU do the graphics and physx better than spit, my GTX 770 got less FPS in Mafia II and Arkham City when I tried using a GTX 470 as a physix card compared to letting the 770 do it all.
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