Need help for fast General LCD decision 17" vs 19"

By Ron Sallanto
Dec 2, 2004
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  1. Hey out there,
    I need to select an LCD in a package right away. It's between a 17" and a 19" that are exactly the same quality - response time, native resolution 1280 X1024. Will the 19" strain the video card more and therefore cause more problems like latency, "after glow", "ghosting"? The card is a 128MB PCI Express™ x16 (DVI/VGA/TV-out) ATI Radeon™ X300 SE.

  2. Godataloss

    Godataloss TS Rookie Posts: 482

    Bigger is always better

    Get the big boy if price is no option- it won't affect the vid card.
  3. Ron Sallanto

    Ron Sallanto TS Rookie Topic Starter

    17" vs 19"

    So the card is ok - that's good
    But I've been reading bits about this ghosting effect. If all things are equal, will the 19" "ghost", "after glow" more than the 17". It seems to be the only problem with LCD's. If your not sure, it's ok.
  4. ---agissi---

    ---agissi--- TechSpot Paladin Posts: 1,977   +15

    Nope, ghosting and afterglow wont be affected by the videocard, or affect it.

    You can determin how bad, or how great the LCD screen will have the ghosting effect by looking at the responce time in ms. Below 30 is good, 15ms and under is no ghosting, but my moniter I *think* is 40ms, maybe its 30, and there is no visible ghosting in games at all.

    Just makesure the brightness is atleast 400:1 and the contrast is good.
  5. Ron Sallanto

    Ron Sallanto TS Rookie Topic Starter

    That sounds reassuring. Is your LCD a 19"?
  6. ---agissi---

    ---agissi--- TechSpot Paladin Posts: 1,977   +15

    Its a 17", but size really has nothing to do with how valid my comment is, or the performance of the moniter.

    a 19" doesnt have higher propencity to ghost anymore than a 17" does.
  7. Ron Sallanto

    Ron Sallanto TS Rookie Topic Starter

    Well I'm a more informed shopper now.
    I guess I'm leaning toward the 19".
    Thanks to you both.
  8. ---agissi---

    ---agissi--- TechSpot Paladin Posts: 1,977   +15

    Glad we could help - and glad your getting a 19" :D If you can afford the extra $200 or so, a 19" is oh so much nicer than a 17!
  9. Godataloss

    Godataloss TS Rookie Posts: 482

    Actually that ratio is the contrast. Brightness is measured in candellas per square meter (cd/m2).

    Both measurements are usually grossly inflated by manufacturers so the only true test is a visual comparasion.
  10. Athena

    Athena TS Rookie Posts: 66

    If you can afford it spend a few more bucks to upgrade your X300 to a x600 and take advantage of that sweet LCD you are getting!! Unless you are not going to play games, if no games then forget what I said. ;)
  11. Mictlantecuhtli

    Mictlantecuhtli TS Evangelist Posts: 4,345   +11

    I'd recommend to test the monitors before buying, if possible. Some people seem to notice ghosting easier than others, just like with cathode-ray tube displays some people notice low refresh rates easier than others.

    To make things more confusing, manufacturers don't always use the same method to measure and publish LCD response times.


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