http://www.tomshardware.com/site/vgacharts/index.html

http://www23.tomshardware.com/graphics.html

Much more cards

here a much more reliable test from XBit

here Part 1, 12 pages long:
http://www.xbitlabs.com/articles/video/display/2004-27gpu.html

Here Part 2, 50 pages long:
http://www.xbitlabs.com/articles/video/display/2004-27gpu2.html

62 pages filled with graphical glory  8)

all the cards included

AGP graphics cards:

    * NVIDIA GeForce 6800 Ultra 256MB (400MHz/1100MHz)
    * NVIDIA GeForce 6800 GT 256MB (350/1000MHz);
    * NVIDIA GeForce 6800 128MB (325/700MHz);
    * NVIDIA GeForce 6600 GT AGP 128MB (500/900MHz);
    * NVIDIA GeForce FX 5950 Ultra 256MB (475/950MHz)
    * NVIDIA GeForce FX 5900 128MB (400/850MHz)
    * NVIDIA GeForce FX 5900 XT 256MB (400/700MHz)
    * NVIDIA GeForce FX 5700 Ultra 128MB (475/900MHz)
    * ATI RADEON X800 XT Platinum Edition 256MB (520/1120MHz)
    * ATI RADEON X800 XT 256MB (500/1000 MHz);
    * ATI RADEON X800 PRO 256MB (475/900MHz)
    * ATI RADEON 9800 XT 256MB (412/730MHz)
    * ATI RADEON 9800 PRO 128MB (380/680MHz)
    * ATI RADEON 9500 PRO 128MB (275/550MHz)
     

PCI Express graphics cards:

    * NVIDIA GeForce 6800 Ultra SLI (425/1100MHz);
    * NVIDIA GeForce 6600 GT SLI (500/1000MHz);
    * NVIDIA GeForce 6800 GT 256MB (350/1000MHz);
    * NVIDIA GeForce 6600 GT 128MB (500/1000MHz)
    * NVIDIA GeForce 6600 128MB (300/500MHz);
    * NVIDIA GeForce PCX 5750 128MB (425/500MHz)
    * ATI RADEON X850 XT Platinum Edition 256MB (540/1180MHz)
    * ATI RADEON X800 XT 256MB (500/1000MHz);
    * ATI RADEON X800 XL 256MB (400/1000MHz);
    * ATI RADEON X700 XT 256MB (475/1000MHz)
    * ATI RADEON X700 PRO 256MB (420/864MHz)
    * ATI RADEON X600 XT 128MB (500/730MHz)
    * ATI RADEON X300 SE 128MB (325/400MHz)