Radeon HD 5970: the Ultimate Password Cracking Hardware?

ElcomSoft WPA-PSK password test comparison table

MSI GeForce GTX 295 and Powercolor Radeon HD 5970

ElcomSoft has updated its tool for cracking WPA/WPA2 passwords. This tool called Wireless Security Auditor (or EWSA) uses all available GPUs to crack wireless passwords (WPA/WPA2).

Now ATI cards are supported and from the new tests, a Radeon HD 5970 offer some huge performance gains: 20 times faster than an Intel Core i7-960, 5 times faster than a GeForce GTX 295 and twice faster than a Tesla S1070 HPC!

And from this post on ElcomSoft blog, the developer of EWSA says this:

From developer’s point of view NVIDIA has always been superior. Ease of use, quality of SDK and drivers, thorough documentation.

Developing software for ATI cards is (okay — was) a nightmare.

But when it comes to pure mathematical performance (that is, not counting memory transactions) ATI cards are faster than NVIDIA counterparts, usually by far. Sometimes by very far.

I must say I agree with him. When it comes to raw power, it’s true that ATI cards are superior espcially Radeon HD 5800 series. From this page, a radeon HD 5870 features 2720.0 Gflops while a GeForce GTX 785 shows only 708.0 Gflops.

I hope the developer will update quickly the test after the public availability of NVIDIA GF100/Fermi

And developing for ATI is still a nightmare (I spent/wasted many hours to debug the particle rendering of the upcoming PhysX FluidMark because of nasty bugs with point sprite while on NVIDIA cards the code worked immediately…).

The developer of EWSA has managed to run in the same rig a GeForce GTX 295 and a Radeon HD 5970 under Windows 7:

A GeForce GTX 295 working with a Radeon HD 5970

After you have installed drivers you will see both ATI and NVIDIA cards in Windows Device Manager, but EWSA or EPPB will show only cards from one vendor. To overcome this you’ll need to connect monitors to both cards and extend your Windows Desktop onto
both of them.

If you don’t have enough monitors, try the VGA dummy plug ;)

VGA dummy plug

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