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Eyefinity + Nvidia + HYDRA = Impressive

D

deff

2[H]4U
Joined
Feb 20, 2008
Messages
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PCPerspective put together a cool article about using HYDRA technology to improve Eyefinity performance by adding a Nvidia card to the mix.

Performance scaling was there, though we only got to see HAWX running on this demo.

* Radeon HD 5770 only: 74 FPS
* Radeon HD 5770 and GeForce GTX 260+: 98 FPS

The scaling ratio here is about 32%. That's impressive (but not incredible) and it is tangible and noticeable benefits on a 3840x1200 display configuration.
Click to expand...
 
See how long to takes nVidia to disable Hydra when an ATi card is present.:rolleyes:
 
Interesting...wonder if you could use two ATI cards instead, if they are mismatched and crossfire is ruled out.
 
deff said:
I think the point of the demonstration is to show off the ability and potential benefits of a hybrid-GPU setup.
Click to expand...


I missed the part of it being a controlled demonstration. I thought it was a benchmark performed by the site.
 
I wonder if Hydra would be better if it was housed above the sli/crossfire chips and all it does is direct the direct 3d/opengl calls. Also if it had more pci-e lanes instead of 8x8 I wonder if you can stack more than 2 cards like 4-7 cards and have the p2p direct 3d/opengl on top of crossfire/sli work?
 
TomGreen321 said:
I missed the part of it being a controlled demonstration. I thought it was a benchmark performed by the site.
Click to expand...

If I remember correctly, when they reviewed HYDRA with a same-GPU setup, it performed marginally better when compared to their native interfaces (CFX/SLI).
 
If I remember correctly Hydra is a third party and it relies on it's own driver set, they could probably circumvent nVidia if need be. The only issue I see with Hydra right now is that they have to program setups for each game. I'd guess that would not be an issue once the chipset gets some time under its belt.
It is a pretty cool tech though.
 
TomGreen321 said:
Why not compare with an additional 5770 as well? Wouldn't that make sense?
Click to expand...

Indeed. Hydra was a complete flop in the reviews, sli and crossfire far outperformed it in almost every benchmark when comparing two of the same gpu's. Add that to needing specific driver support for each game and a high price and it has failure written all over it. These hydra boards have been on newegg for quite some time, and there are 0 customer reviews.
 
HYDRA is a nice concept, but it has a LONG way to go before its usable. When/if they're able to get the kinks worked out it might be worth it, but that probably won't be for a long, long time. A 30% gain in a fully controlled environment isn't much. XFire and SLI get better scaling in controlled environments.
 
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