Print 26 comment(s) - last by Trisped.. on Jul 21 at 11:27 AM

SLI for low power instead of high performance

Laptop Logic has scored some insider information on the one of the projects brewing in NVIDIA's secret labs. According to sources close to the company, NVIDIA is working on a new kind of SLI technology for notebook designs. Instead of pairing two identical GPUs for increased performance, NVIDIA is going for a pairing of integrated and discrete GPUs for a balance of power and performance.

The concept of pairing up a low-power integrated GPU with a high-power discrete GPU is nothing new. Sony has already treaded through these waters with its VAIO SZ lineup which features Intel GMA950 and NVIDIA GeForce Go 7400 GPUs. This setup requires an external switch to make the transition and also requires a system reboot. NVIDIA's "SLI Power" on the other hand will be done through a combination of hardware and software, but will not require a reboot of the machine to take place.

Considering the complexities involved with Windows XP graphics drivers and the additional level of complication added by Vista's new Windows Driver Display Model (WDDM), NVIDIA surely has its work cut out in making the transition a smooth one. There's no telling how much such a feature would add to the cost of a notebook, but it probably won't come cheap.

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By Lord Evermore on 7/19/2006 5:20:46 PM , Rating: 2
This sounds pretty much like what the old Voodoo's did, sort of.

As far as price, it'll end up being more expensive than any board that just used one or the other, and you'll simply be paying for the ability to choose whether you want to use less power when you don't need 3D performance, or use up more power in order to get some 3D.

Seems like maybe they ought to just work on making their chipsets use less power no matter what you're doing, but I suppose this is a way to let people have the option to use the highest performance chipset which just can't ever actually be low-power.

RE: Voodoo!
By jazzboy on 7/20/2006 5:29:14 AM , Rating: 2
So true, if I ever build or get a custom build computer for someone, I will always avoid nvidia chipsets due the heat/power they create - unless of course SLI is essential.

RE: Voodoo!
By abhaxus on 7/20/2006 10:23:19 PM , Rating: 2

the 1900XT uses quite a bit more power than the current nvidia cards. hence, you don't see any laptops with an X1900 chip yet there are lots with 7900GTX Go.

sorry to burst your bubble.

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