PCie 3.0 x8/x8 GTX 1080 SLI bottleneck?

fordongreeman · Mar 12, 2018

Would PCIe 3.0 x8/x8 bottleneck two-way SLI GTX 1080 on a Z370 coffee lake board with an i7 8700K and 16GB DDR4 3200MHz RAM?

TechyInAZ · Mar 12, 2018

No, even at 8x the GTX 1080 Tis and titan X's have a hard time saturating all that bandwidth.

xrodney · Mar 12, 2018

There were many tests done in past and Unless you try to push an insane amount of pixels (dual/triple screen config) on low details settings you hardly can see difference bigger than 3%.

fordongreeman · Mar 12, 2018

xrodney :

I intend to play all games at maximum detail.

bartosz.bruhn · Mar 29, 2018

Yep, many tests done, but in 1080Ti / TitanX(p), there is a difference more then 3 %, what about 30%?
I knwo, more of this games are old, but BF1, which is one of the latest, look on results. So many modern games can do more with x16/x16 config.

https://www.youtube.com/watch?v=rRyFGoDVr28

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PCie 3.0 x8/x8 GTX 1080 SLI bottleneck?

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