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Problem with radeon hd 7850

I have a AMD 5800k overclocked to 4.2ghz and patriot ram clocked at 1866....I had a evga gtx 550 ti and it was smooth , but the detail was not there. I went ahead and bought a sapphire radeon HD 7850 2GB OC card.....Before I was able to play far cry 3 at mid settings.....also GTA IV at high settings. I tried my brand new card and its kinda just not performing the way I thought it was going to......on far cry its practically not playable....the frames and so crazy when I look left to right or fire my gun it almost freezes or becomes super laggy. I tried different drivers but still runs like crap. Same thing goes for GTA IV I can run other games like Bio Shock Infinite smooth enough but when I run into certain areas the frames drops or becomes laggy for a half a second then returns back to normal. Can anyone please tell me if I have something wrong with my card so I can RMA it.
6 answers Last reply Best Answer
More about problem radeon 7850
  1. download gpu z and play games and tell us gpu usage ,temps and cpu usage
  2. ASHISH65 said:
    download gpu z and play games and tell us gpu usage ,temps and cpu usage


    GPU Core Clock: 920
    GPU Memory Clock: 1250
    GPU Temperature:47°C
    Fan Speed: 36%
    Fan Speed RPM: 1886
    GPU Load: 51%
    Memory Usage (Dedicated): 788
    Memory Usage (Dynamic): 99
    VDDC: 1.210
  3. Best answer
    Try removing the drivers completely then re installing
    Also mess with the in game settings

    Download Sapphire Trixx and set powertune to +20, it may be the card is down clocking itself when it tries to draw more power than it's bios will allow it to. Happens sometimes with factory OC cards that did not tweak the bios properly. I had this issue after my own OC, changing power tune fixed the problem

    Run GPUz while in game and have it refresh while playing. then right after you see a drop in frames, drop out to GPUZ and see if there was a drop in clcok speed right about then

    Something like the dip near the end in the gpu clock line

  4. stickmansam said:
    Try removing the drivers completely then re installing
    Also mess with the in game settings

    Download Sapphire Trixx and set powertune to +20, it may be the card is down clocking itself when it tries to draw more power than it's bios will allow it to. Happens sometimes with factory OC cards that did not tweak the bios properly. I had this issue after my own OC, changing power tune fixed the problem

    Run GPUz while in game and have it refresh while playing. then right after you see a drop in frames, drop out to GPUZ and see if there was a drop in clcok speed right about then

    Something like the dip near the end in the gpu clock line





    set powertune to +20....I have sapphire trixx.....how to I do that....are you saying to drop the voltage ?
  5. Ok the lag seems to be more of skipping now that I look at it now....I am using the newest driver from AMD.....The core clock remained solid....there wasnt any dips in the clock speed while I was playing for a few minutes.....even though it was playing horrible.
  6. check the cpu loads as well

    with such low gpu loads, you shouldn't be running into gpu related things then other than drivers
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