Choppy playback on new faster videocard

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  • lcask
    Junior Member
    Junior Member
    • Apr 2002
    • 3
    #1

    Choppy playback on new faster videocard

    Hi,

    I have bought new cheap videocard XELO nVidia MX400 with 64MB + S-VHS out, after installing it on my PIII 450 MHZ on WIN98SE, 312 MB RAM, I have found my DiVX playback is substantially worse then previously with my old Matrox 8MB card..

    I have reinstalled WIN98, DiVX codecs, Direct8.1 - no positive result.. So far I have used as a DiVX player Radlight.

    Any advice? Is it possible that my rather old card gave better result? Can be new videocard so CPU consuming? - I expected just the opposite...

    Thanx

    Lubo
    Tags: None
    • benderman
      Digital Video Specialist
      Digital Video Specialist
      • Nov 2001
      • 770
      #2
      Seems to be problem of most low-cost-nvidiaMX-chips. I think it's caused by reduced bandwidth and bad chip design. Reducing the desktop-resolution to 640x480x16bit may help.
      don't trust in guides

        Comment

        • setarip
          Retired
          • Dec 2001
          • 24955
          #3
          "I have found my DiVX playback is substantially worse"

          What, specifically, is worse? Is it the quality of the image, the smoothness of the playback, the colors...?

            Comment

            • Enchanter
              Old member
              • Feb 2002
              • 5417
              #4
              I always have the impression that Matrox cards output better image quality compared to the breeds of nVidia cards and even ATI cards. I'm not aware if a faster GPU will aid in the decoding of DivX videos, as these are more CPU-intensive than GPU-intensive.

                Comment

                • lcask
                  Junior Member
                  Junior Member
                  • Apr 2002
                  • 3
                  #5
                  Originally posted by setarip
                  "I have found my DiVX playback is substantially worse"

                  What, specifically, is worse? Is it the quality of the image, the smoothness of the playback, the colors...?
                  Only the smoothness of the playback...

                    Comment

                    • Enchanter
                      Old member
                      • Feb 2002
                      • 5417
                      #6
                      WHat DivX codec were you using prior to the upgrade and after?

                        Comment

                        • lcask
                          Junior Member
                          Junior Member
                          • Apr 2002
                          • 3
                          #7
                          Originally posted by Enchanter
                          WHat DivX codec were you using prior to the upgrade and after?
                          still the same - 4.12 if my memory serves me well...

                          Some days ago I tried new 5.0 codec but after reading posts that is not suitable for "weaker" CPU (mine is PIII 450 MHz) I unistalled it and reinstalled 4.12 once again...

                            Comment

                            • Enchanter
                              Old member
                              • Feb 2002
                              • 5417
                              #8
                              You may want to have 3.11a installed, followed by 4.12 (Telling it not to play 3.11 contents). Also, try checking, through the About dialog box, whether the 5 you have uninstalled has truly been uninstalled. I had this really ugly experience of having this BETA codec (5) persistently remain in my system no matter how often I tried to uninstall it.

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