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2 different VGA cards


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#1 dling

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Posted 26 April 2018 - 12:05 AM

I have 2 different cards with 2 different PCB sizes. Is there some way like a riser that will allow me to add a high band width bridge across both of them ?

Im currently using a ribbon type of bridge.


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#2 Braegnok

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Posted 26 April 2018 - 10:05 AM

Just use 2 flexible bridges.  

 

With 2 flexible bridges vs HB bridge,.. you will not see much difference in performance.  

 

 


Edited by Braegnok, 26 April 2018 - 02:35 PM.

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#3 dling

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Posted 27 April 2018 - 03:46 AM

WOW! Thanks . That was a great comparison between the two. Looks like the HB bridge is just a bridge.


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#4 Braegnok

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Posted 27 April 2018 - 05:13 AM

Gaming at  4k and 5K the HB Bridge will pay off pretty big measurable returns in some games,.. synthetic benchmarks often report the frame rate but don't tell you about the frame quality that's critical in multi-GPU configurations, where the timing involved in delivering output to the screen can result in visual artifacting, micro-stuttering.

 

Using Nvidia's Frame Capture Analysis Tool on different games, measuring frame time data you would see how the extra bandwidth smooths out delivery of the frames for a more consistent game experience,..

 

at 3440x1440 running 3Dmark FireStrike the HB Bridge yields higher performance vs 2 soft bridges but it's pretty insignificant. 


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#5 ir_cow

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Posted 27 April 2018 - 09:25 AM

the HB Bridge is technically better but in practice it isn't much different. The only difference is 600Mhz Bus and all the traces are the same length to eliminate timing issues. The stuff I read showed it didn't matter expect for a few games in 4K. I think it will become more appearance with newer games and higher settings like RTX in the next generation.


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#6 dling

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Posted 04 May 2018 - 05:57 AM

Thanks. I was actually looking at buying another 1080ti using the same psb size so the I could the HB bridge with my FE card.
Considered selling or trading the non FE card . Just for the HB bridge.

Case:Cooler Master Sniper / Motherboard : ASUS ROG Maximus X hero (wi-fi)/ CPU: Intel Core i7 8086K / CPU HS:Corsair H100i V2
VGA: Nvidia 2080TI FE / Memory: Corsair vengeance LPX  16GB DDR4 3600 / SSD's:Samsung  960 evo M.2 500 gig  for OS + Samsung EVO 840 250g +WD Blue 500g
PSU: CoolMax 1200W / Monitor: Acer X34 @ 100 hz/ KB: CM Storm Trigger Z / Mouse: Razor Lachesis / OS: Windows 10 Home premium 64