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Practical benefits of DVI vs analog

Discussion in 'Tech Talk' started by AC37, Dec 26, 2004.

  1. AC37

    AC37 SystemicAnomaly

    4,477
    263
    Dec 12, 2000
    Provo, UT
    Hello everyone, I recently acquired an LCD monitor with both the standard (analog) and DVI analog and digital connections. To be completely forthright, I know next to nothing about DVI, beyond that my monitor has a DVI connector, as well as my videocard, which is an nVidia GeForce4 Ti4800. I do a lot of gaming with my system, primarily somewhat older ones, including some FPS games like Deus Ex and IGI 2, not really any of the brand new ones so far like HL2, etc. I'm seeing that the DVI cables are ranging anywhere from $30-$100 (sheesh!), so what are the practical benefits to using the DVI connection exactly, versus the standard (and free) analog connection? Better framerates, better screen refresh times, etc., higher maximum resolution, etc.? I can't seem to find much information about this online so far...maybe I've just been looking in the wrong places. TIA for the help! :)
     
  2. Deathwind

    Deathwind

    127
    0
    Aug 13, 2002
    In my pants
    The main advantage of DVI is quality. If you're using a digital DVI connection with a digital display, the image stays unconverted going from your PC to your monitor, resulting in better quality. If you use analog, here's what has to happen:
    -Computer converts digital image to analog signal to send to the monitor (quality hit during the conversion process)
    -Analog signal is sent to monitor (possible quality hit due to interference)
    -Analog signal is converted back to digital by the digital display (quality hit during the conversion process)

    Also, if you shop around, you can pick up a DVI cable for under $30. Check out:
    Cables to Go
    Cable4PC
    DataPro
     


  3. AC37

    AC37 SystemicAnomaly

    4,477
    263
    Dec 12, 2000
    Provo, UT
    Deathwind, thanks for the response! Practically speaking, how significant would the difference be quality-wise between the two, assuming the same system and everything, video card, monitor, and visual data being sent to the monitor? Would the difference be barely detectable or fairly significant? When would the difference be most noticable, least noticable, etc.? I do a fair amount of gaming so I'm curious to know if spending the money would be a worthwhile investment. Thanks. :)