HD 6870 lags in GTA IV?

Discussion in 'Alienware 17 and M17x' started by aznkid84, Dec 4, 2011.

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  1. aznkid84

    aznkid84 Newbie

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    Alienware M17x Soft-Touch, Stealth Black
    Intel Core i7 2670QM 2.2GHz (3.1GHz w/Turbo Boost, 6MB Cache)
    4GB Dual Channel DDR3 at 1600MHz (2DIMMS)

    Any idea why it lags every 3 sec in GTA IV when it's supposed be able to run on high settings?
     
  2. bigtonyman

    bigtonyman Desktop Powa!!!

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    you make sure you are running on the discrete card?
     
  3. aznkid84

    aznkid84 Newbie

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    I think so. When I right click desktop and chose the graphics card option or whatever, it shows that I'm using high performance GPU option
     
  4. bigtonyman

    bigtonyman Desktop Powa!!!

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    hmm have you played other games with no problems?
     
  5. aznkid84

    aznkid84 Newbie

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    Yeah, I played MW3 on highest settings without any problems.
     
  6. bigtonyman

    bigtonyman Desktop Powa!!!

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    hmm, gta 4 is poorly coded, i tried it at one point and it didn't work :( maybe ill try it again and see what settings I can get ;)
     
  7. aznkid84

    aznkid84 Newbie

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    Been doing some research and some ppl say that if you switch from unganged mode to ganged mode in BIOS, it should run smoothly. I didn't see it in there though... do you happen to know what those are and where to change the settings?
     
  8. bigtonyman

    bigtonyman Desktop Powa!!!

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    hmm I have never heard of a setting like that even in the unlocked bios :confused: wonder what it is.
     
  9. catacylsm

    catacylsm Notebook Prophet

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    3 second lags? DPC latency or throttling perhaps?
     
  10. Scottyboy99

    Scottyboy99 Notebook Consultant

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    It's one of the most poorly optimized games ever. There are so many problems with it. Try reducing the draw distance. It's not your GPU or CPU. It's the way the game loads stuff in real time off the hard disk I suspect. It keeps having to re-query the hard disk for distant draws and I believe this is why you see the lag every few seconds.

    I haven't played it for a long time but I am sure that was my issue. Of course my hard disk is non SSD, if yours is installed on a SSD then that may not be the issue - but I bet it is!
     
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