Compatible AGP 4x Graphics Card

  climb45 11:43 01 Apr 2011

I have a Radeon 9700 AGP 4x graphics card which needs replacing, but I have read conflicting reports on whether currently available AGP 8x cards are compatible. The specs of the AGP bus are as follows:

Bus Speed: 66MHz
AGP Connector Size: 172 pins
AGP Connector Data Width (Maximum): 32bits
Bus Protocols: 4x/2x modes at 1.5V

Can anyone advise which of these I need to consider? Is the power draw an issue?

  MAT ALAN 13:31 01 Apr 2011

8x cards are backwards compatible with 4x boards, and 8x boards can use 4x cards. There isnt a great deal of difference between 4x and 8x anyway, in terms of real performance gain. The only time AGP cards become problematic is when you have an older 3.3V based card or board you are trying to use with a newer 1.5V based board or card.

  climb45 15:29 01 Apr 2011

I have now found a Radeon 9250 AGP card on Amazon that is specifically advertised as 4x/8x and a perfectly adequate spec for my graphically undemanding usage.

Many thanks for taking the time to respond MAT ALAN - greatly appreciated.

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