About the External Graphics Card and CPU usage

Posted by Balaji on Super User See other posts from Super User or by Balaji
Published on 2011-01-13T09:01:56Z Indexed on 2011/01/13 9:55 UTC
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cpu-usage

Hi,

We are Rendering 16 live Streams at our client machine through one of our applications and the resolution of the video streams are as 4CIF/MPEG4/25FPS/4000Kbits.

The configuration fo the client machine is below.

HP Desktop Machine:

Microsoft Windows XP Intel (R) Core2 Duo CPU E8400 @ 3.00 GHz 2.99 GHz, 1.94 GB of RAM Intel (R) Q45/Q43 Series Express Chipset (Inbuild)

The CPU usage of the machine peaks 99% for 16 straems.

After some discussion, we had decided to install external graphics card to reduce the CPU usage.

So that, we have tried following graphics cards.

NVIDIA Quadro NVS 440 - 128 MB
Radeon HD 4350 - 512 MB GDDR2
Redeon HD 4350 - 1GB DDR2
ASUS EAH 4350 Silent 1GB DDR2

But the performance wise no difference, even worst.

So, what is the pupuse of these external graphics cards? Really it will reduce the CPU usage? What parameters have to check, if we want to reduce the CPU usage?

Please do the needful as soon as possible.

Regards Balaji

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