The inherent latency on every transfer just makes it crappy compared to one latency cycle on an AGP burst. In terms of data transfer, AGP will always be more efficient than PCI, because AGP is capable of transferring bursts, while PCI makes 1 data request and gets one packet back. The inherent latency on every transfer just makes it crappy compared to one latency cycle on an AGP burst. And if you want a 64 bit wide bus, AGP Pro. Like I said before it is nice to have a video bus that is overkill at the present time, since it leaves a lot of room to grow into.
Life is complex.
It has real and imaginary parts. The inherent latency on every transfer just makes it crappy compared to one latency cycle on an AGP burst. And if you want a 64 bit wide bus, AGP Pro. AGP in its entirity is not the what it's cracked up to be. Sure, it allows someone to use more texture than their card can handle, but it's usefulness ends there.