
The Millenium G400 is, by Matrox's own admittance, a "dramatically different" 3D chip.
Mainly because this time, it could actually do 3D in an
acceptable manner. Slow, but acceptable.
Tech Sheet - Parhelia
  
    
      | 
        
          
            | RAMDAC | 300 Mhz |  
            | Transistor count (millions) | 
 |  
            | Technology | 0.25 micron |  
            | Frequency | 125 Mhz |  
            | Onboard RAM | 16/32 MB |  
            | Memory bandwidth | GB/s |  
            | RAM bus width | 128 bits |  
            | RAM bus frequency | 166 Mhz |  
            | Pixel fill rate | MPixels |  
            | Texel fill rate | 250 MTexels |  
            | Triangle count (millions) | 
 |  
            | Render pipes | 
 |  
            | Pixel per Clock (per pipe) | 
 |  
            | Z-buffer | 32 bit |  | 
 |   |