AGP Compatibility

[sinX]

I'm looking to buy a new graphics card but I'm a bit confused on the whole AGP thing. My manual says that mine is AGP 1x 4x 8x compatible. This is a pic of my current card

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Here's a pic of the one I want;

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So, my question is will the 7800GS fit in my current AGP slot? I know my mamual says it's compatible with 1x 4x and 8x but, the bottom of the cards look different. Thanks!

[Gecko]

According to this
The GeForce 7800GS 256MB GDDR3 is AGP 4x/8x compliant.