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Why is SLI "Dead" - Page 25

post #241 of 270
Quote:
Originally Posted by xSociety View Post

Here ya go:

http://imgur.com/a/vjQXW
Jelly! That's going to look so freaking good! Gears 4 at 1440p is already incredibly impressive looking.

That's excellent SLI scaling for a pair of 980Ti's (and on PCIe 8x/16x lanes too). What kind of overclocks are you running on your 980Ti's?
post #242 of 270
Quote:
Originally Posted by 8051 View Post

That's excellent SLI scaling for a pair of 980Ti's (and on PCIe 8x/16x lanes too). What kind of overclocks are you running on your 980Ti's?
1480mhz on the core and 3700mhz on the memory. They can both boost higher than 1500mhz but since I'm on air I don't like dealing with the heat and fan noise. It's also a custom BIOS that I got on this site, can't remember the name.
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post #243 of 270
is sli still dead?
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post #244 of 270
Quote:
Originally Posted by barsh90 View Post

is sli still dead?

Sam Lincoln Ida reports he is still very much alive and well.
post #245 of 270
KF2 still doesn't work with SLi frown.gif i mean it kind of does if you turn off real time reflections but the usage is all over the place.
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post #246 of 270
Quote:
Originally Posted by Blackops_2 View Post

KF2 still doesn't work with SLi frown.gif i mean it kind of does if you turn off real time reflections but the usage is all over the place.

KF2 might work better if the second GPU is used for PhysX.
post #247 of 270
Quote:
Originally Posted by 8051 View Post

KF2 might work better if the second GPU is used for PhysX.
I've always had terrible results doing that.
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post #248 of 270
mGPU is dying (for non-Benchmarkers). Lack of support, frametimes all over the place, low minimums etc. Even if avg. fps is high, SLI/CF can feel less fluid than a single GPU with lower fps.

Only hope for mGPU is if DX12/Vulkan can fix the problems; Native support, no need for profiles etc.

Dedicated PhysX card is pretty much useless and will cause more trouble than good. It's not worth it at all.
Edited by Lass3 - 9/24/17 at 2:23am
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post #249 of 270
Quote:
Originally Posted by Juub View Post

I've always had terrible results doing that.

KF2 with dedicated PhysX card (a 980Ti):

"Overall I saw a gain of about 20-25FPS. The dedicated 980Ti also helped a bit with frame stability. With demolitionist, most of the zed time (slow motion) sequences happen directly after a large group kill with the grenade launcher or RPG, and it was easy to see that running with the dedicated 980Ti held closer to 100-110 FPS during those times, whereas using the 1080Ti dropped down to 75-80." From:

https://www.reddit.com/r/nvidia/comments/601vra/highend_dedicated_physx_test_killing_floor_2/

Another article showing differences when using a dedicated PhysX card w/KF2 (even a GTX 770):
https://forums.tripwireinteractive.com/forum/killing-floor-2/technical-support-ae/killing-floor-2-support/114314-dedicated-physx-card-to-flex/page2

Weird thing is I never saw any difference when using my 980Ti as a dedicated PhysX card in Metro Last Light.

It makes sense in KF2 though -- it has the most advanced PhysX effects seen in any game to date.
Edited by 8051 - 9/22/17 at 1:07am
post #250 of 270
Even when running with SLI disabled the game doesn't seem to allocate resources properly. I'll have usage jump to 90% on the card disabled. I understand that you could attribute that to PhsyX but the main GPU usage plummets.

SLi has been more of a headache than anything, to me at least. Even in games that support it i get GPU usage drops and as a result framerate drops as well.
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