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NVIDIA GTX 750Ti / 750 (Maxwell) Owner's club - Page 245

post #2441 of 3171
No Need at all to apologise, I can't emphasize that enough. My lack of understanding led me to not change the settings to 75000.

Also I'd like to sincerely thank you for all the hard work you've done on the bios for this card. I'm now sitting pretty at 1.2 volts and I'm busy tinkering with msi afterburner and heaven benchmark tweaking the clock speeds. So thank you!

I just joined this forum but I think there is a real atmosphere of genuine informed helpfulness that I haven't really seen anywhere else.
post #2442 of 3171
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post #2443 of 3171
Has anyone used a 750/750 TI as a dedicated physX processor together with an SLI setup?
post #2444 of 3171
Quote:
Originally Posted by Doomed2Fail View Post



Well I have made some progress actually. I set my motherboard so that it runs it's internal graphics over the graphics card and now I can post with the card connected.

As the picture above shows the graphics card is clearly being detected (even though it is showing up as an unknown device in device manager) it just won't let me open the I/O file to flash the bios. I tried flashing it from the bios screen using EZ Flash to the same effect.

Tips and guidance?
I assume you have the latest nvflash and maxwell tweaker I dunno if that would actully help or matter
Quote:
Originally Posted by anti-clockwize View Post

Has anyone used a 750/750 TI as a dedicated physX processor together with an SLI setup?
I guess it depends on what is your main card if it's something like a 780 ti or 980/970 it's not really needed It wouldn't hurt performance. If you had a 750ti laying around it wouldn't hurt. If you buying one just for physx from what I understand wouldn't give huge gains.
post #2445 of 3171
Quote:
Originally Posted by Talon720 View Post

I guess it depends on what is your main card if it's something like a 780 ti or 980/970 it's not really needed It wouldn't hurt performance. If you had a 750ti laying around it wouldn't hurt. If you buying one just for physx from what I understand wouldn't give huge gains.

Yeah i got SLI 780 Ti at the moment, was wondering if i could benefit from taking the physX load off them, as I had read that framerates can become a more stable by doing this. 750Ti is pretty much the only card i have left in my country that I could use for this type of setup (last card in the 7xx series that is still for sale - otherwise i would have to use a 950 or 960) . If the gains are negligible its probably not worth it, but i may just give it a go out of interest anyway if i have a spare 200 bucks around.
post #2446 of 3171
Quote:
Originally Posted by anti-clockwize View Post

Yeah i got SLI 780 Ti at the moment, was wondering if i could benefit from taking the physX load off them, as I had read that framerates can become a more stable by doing this. 750Ti is pretty much the only card i have left in my country that I could use for this type of setup (last card in the 7xx series that is still for sale - otherwise i would have to use a 950 or 960) . If the gains are negligible its probably not worth it, but i may just give it a go out of interest anyway if i have a spare 200 bucks around.

A 750ti would be alright I'd say, but maybe try looking for a second-hand 660ti.
The 750ti has 640 CUDA cores, whereas the 660ti is rockin' 1344, which is more
than 2x as much and I read that the core count is important when considering
a dedicated physx card.

That got me thinking... now that I have 2x 750ti's ...hmm thinking.gif
Edited by JambonJovi - 5/21/15 at 12:31am
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post #2447 of 3171
Quote:
Originally Posted by anti-clockwize View Post

Yeah i got SLI 780 Ti at the moment, was wondering if i could benefit from taking the physX load off them, as I had read that framerates can become a more stable by doing this. 750Ti is pretty much the only card i have left in my country that I could use for this type of setup (last card in the 7xx series that is still for sale - otherwise i would have to use a 950 or 960) . If the gains are negligible its probably not worth it, but i may just give it a go out of interest anyway if i have a spare 200 bucks around.
Quote:
Originally Posted by JambonJovi View Post

A 750ti would be alright I'd say, but maybe try looking for a second-hand 660ti.
The 750ti has 640 CUDA cores, whereas the 660ti is rockin' 1344, which is more
than 2x as much and I read that the core count is important when considering
a dedicated physx card.

That got me thinking... now that I have 2x 750ti's ...hmm thinking.gif

Well can you really compare cuda core amounts between architectures like that? Since maxwell is made to be more efficient it doesnt need as many cores to do the same work, unless physx is processed differently. Also the 750ti oc's well and runs pretty cool. If you run sli, I didn't check what board you have, but if you have z87/z97 don't you either need a plx motherboard to run that third nvidia card since they won't work at 4x or certain x99 boards with 5820k or above. I dont know does running a dedicated physx card change the at least 8x requirement?
Edited by Talon720 - 5/21/15 at 6:47am
post #2448 of 3171
Quote:
Originally Posted by Talon720 View Post


Well can you really compare cuda core amounts between architectures like that? Since maxwell is made to be more efficient it doesnt need as many cores to do the same work, unless physx is processed differently. Also the 750ti oc's well and runs pretty cool. If you run sli, I didn't check what board you have, but if you have z87/z97 don't you either need a plx motherboard to run that third nvidia card since they won't work at 4x or certain x99 boards with 5820k or above. I dont know does running a dedicated physx card change the at least 8x requirement?
I used a GT 220 Along side my GTX 460 few years ago.. That was in a x4 slot on my P67 board If I remem er right, as it was a non SLi board.
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post #2449 of 3171
Quote:
Originally Posted by Jimbags View Post

I used a GT 220 Along side my GTX 460 few years ago.. That was in a x4 slot on my P67 board If I remem er right, as it was a non SLi board.
Oh ok I havnt owned many nvidia cards I went back and looked it up some more. Yea apparently the 4x anything 2.0/3.0 won't work in sli I figured that meant as a single card to. So that 750ti for physx at 4x seems like it would work. The only problem would be with z87/z97 is with 3 cards it goes to 8x 4x 4x thus disabling sli on the guys second 780ti. Only way around it would be to use a riser on a 1x pcie 2.0 slot or if the board you own has a third slot electrically wired to 4x 2.0 through the chipset and not through the cpu. Example would be the asus hero vi/vii board 3rd slot is 2.0 4x that wouldn't effect the top 2 cards in sli where as the asus formula vi/vii putting a card (sound card,pcie ssd,gpu) in the 3rd slot disables 8x 8x to 8x 4x 4x which sli won't do. So I guess it kinda depends what board you have.
post #2450 of 3171
Hi,

i have a "palit gtx 750 ti kalmx" card (only PCI-E power connector), i am able (without bios mod) to overclock to 1250 mhz (boost : 1380 mhz).
What can i expect with a bios mod (need some power for "the witcher 3" biggrin.gif) ?

thanks you in advance
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