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6800 gt vs 8400 gs or sli

post #1 of 5
Thread Starter 
hey guys i have a desktop which you can look at my rig, that supports sli and i currently have a 6600 gt in it and i was given a broken computer and i took the graphics card out of it and the gpu that i took out was a 8400 gs and im wondering which one would give me more gaming power and yes i know both are outdated and not suited for gaming.... also is there any chance or any way i could sli them together? they both have the same vram 256 mb on each.... and one last thing, i heard someone on some thread saying that you could have one card just run the phys x or direct x. im not sure if that was because the 8400 gs can support direct x 10 and the 6600 gt supports direct x 9 or if it is because if i have the 8400 gs proccess all the direct x then it will take some of the load off of the 6600 gt.
post #2 of 5
You can't sli them together, and neither are suited for any kind of modern gaming at all. Neither support PhysX, either. PhysX didn't start until the 8800 series, and the bare minimum is 32 cuda cores.

You can't have a dedicated directx card.
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post #3 of 5
Quote:
Originally Posted by Droogie View Post

You can't sli them together, and neither are suited for any kind of modern gaming at all. Neither support PhysX, either. PhysX didn't start until the 8800 series, and the bare minimum is 32 cuda cores.

You can't have a dedicated directx card.

This. In order to SLI, the cards must be the same exact card (brand doesn't matter though). In order to support PhysX you need a bare minimum of an 8800GT to be playable (8600GTS / 9500GT is bare minimum to support it....but it won't play well). DX is just a Windows way to draw things...its just software. So no on that one too.

Honestly, if your machine has a 6600 in it, it sounds like its time you need an entire new build. And honestly, the 6600GT is faster than the 8400GS.
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post #4 of 5
Thread Starter 
thanks for the reply guys... i know that this machine is not suited for gaming and i stated it a few times but i just wanted to know what one was more powerful for the machine any way... thanks for the reply pio... and there is no way i can use the 8400 gs in the background for proccessing any other tasks, id rather not let it go to waste
post #5 of 5
Quote:
Originally Posted by devun View Post

thanks for the reply guys... i know that this machine is not suited for gaming and i stated it a few times but i just wanted to know what one was more powerful for the machine any way... thanks for the reply pio... and there is no way i can use the 8400 gs in the background for proccessing any other tasks, id rather not let it go to waste

If you've got more than one monitor, you could use it for secondary, third, or fourth monitors.

The 6600GT will definitely be more powerful (its actually more powerful than an 8500GT in raw power). However if you're not gaming on it...the 8400GS will draw less power and output less heat, and possibly be silent. Could be a fair trade off.
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