CS4 and performance with the Radeon HD 4670 problems

I just updated my graphics to Embedded Intel G41 for a Sapphire HD 4670 512 MB GDDR3 card. While there certainly improves the General performance of the PC it leaves first faced, with video performance WORSE than the Intel. The video of the timeline is aweful - stuttering and jerky. I used to use the HDMI output to a HD of Hitachi TV with a resolution of 1440 x 900. It is a little choppy, but overall not too bad. Now, it's really bad.

My spec is complete:

PC with custom:

Windows 7 Ultimate 64 Bit

Intel E6300 2.8 ghz Dual - Core CPU

Corsair 4 GB RAM

3 x SATA hard drives

POWER 450W

Can someone advise me what I please. I bought this card for £58. Well above that is not an option.

UPDATE:

I have to say that I want to say is that to happen when I go to playback settings - reading in real-time - external device: and select the Hitachi. If I choose 'None', then it is fine, but only plays back in the monitor of CS4 window. I could use Hitachi okay with graphic edge.

Post edited by: Funky monk

9.12 to uninstall, reboot, install 9.11 from here.

Tags: Premiere

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