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XFX HD5770 Crossfire

Hi, I am looking to crossfire my XFX HD 5770 XXX video card for the first time. All I need to know is how much power is recommended? I have a Corsair 550w power supply at the moment and I'm assuming that it isn't enough, am I correct? I was also hoping if you guys would be able to help me choose a second video card...or would it just be best for me to go with another XFX HD 5770? All suggestions and advice would be appreciated! Thanks in advance! :sol:


other specs:
ASUS Sabertooth 990FX AM3+ AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD Motherboard with UEFI BIOS
AMD Phenom II X4 965 Black Edition Deneb 3.4GHz 4 x 512KB L2 Cache 6MB L3 Cache Socket AM3 140W Quad-Core Processor
12 GB RAM PC3-10600 MB/sec
750 GB SATA 3G (3.0 Gb/sec) 7200 rpm
XFX Radeon HD 5770 XXX 1GB 128-bit DDR5
Corsair 550w Power Supply
14 answers Last reply Best Answer
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  1. Best answer
    You will have no problems crossfiring a 5770 on 550W.

    But If I were you i'd just sell that 5770 on ebay and get a 6870. They are $150 on Newegg with Dirt 3.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16814161389

    And HIS is the best card maker for AMD...and I've tried most of them.
  2. I agree with the above post, or simple sell that card and get a hd 6950...
    or if you do not want to spend a lot of money and time, just get the other card HD 5770 make crossfire and you will be okay playing most games at high settings @1080p without problems. I can tell you that because I have one pc with the same card as you playing at 1080p without major issues. just high to medium settings. ;)
  3. get 2 5770's and tri-fire it!!!
  4. XFX has been pretty good to me ever since i got it. I just want to get rid of the sudden stutter that takes place in certain games like Skyrim, BF3, GTA IV. will crossfire help with this issue or does that even have to do with the video card?

    would a single 6870 or 6950 outperform a 5770 crossfire?

    also, the "tri-fire" will come later lol
  5. your sudden "stutter" is not likely to be cause by the vid card at all. 5770 crossfire would perform similarly to a 6870. I would think the stutter would be loading from the HDD. Only an SSd will fix that.
  6. interesting. i will have to look into getting an SSD if that is the problem. I will have to research that now. thanks.

    also, do you think i should just upgrade my video card 6000 series or higher instead of using crossfire on the 5770?
  7. suigeneris20 said:
    interesting. i will have to look into getting an SSD if that is the problem. I will have to research that now. thanks.

    also, do you think i should just upgrade my video card 6000 series or higher instead of using crossfire on the 5770?
    If your case has a hard drive activity light, try to check if that is active during the "stutter". You can run fraps or something to show your fps while you play so you can see if the fps actually dips at that point.

    If microstuttering's your problem though, I doubt a second 5770 can fix it: http://www.tomshardware.com/reviews/radeon-geforce-stutter-crossfire,2995.html
  8. thanks for the info. i will test my games out with fraps as soon as i get home. also, thanks for the article!
  9. Btw, Fraps will also log your fps and write it to an output file if you want it to.
  10. tested it on BF3 and it works great. i think i just had to clean up my disk a bit. BF3 runs between 40-60 fps with this 5770 XXX. i may actually hold off on upgrading for now.
  11. Fraps also films gameplay if you want to do that.

    That's good you go BF3 working well.
  12. awesome. i'll probably be doing that in the near future. thanks

    i think i have changed my mind once again. i have continued to research the 6870 and i want it now..lol

    now my question is..is there a difference between the 6870 dual fan and single fan version or even the black edition? or should i just go with the single fan which is $20 less?
  13. i ended up purchasing the XFX 6870 single fan. i shouldn't have any problems keeping it cool with my 5 fans.

    i do, however, have a question..i plan to upgrade my monitor in the near future but was wondering what you guys think about me running the new 6870 with my HP 2009m monitor at the moment? the max resolution on this monitor is only 1600x900 and i'm worried that it will be what i have seen people calling an "overkill?" am i using that correctly? if so, what do you guys think?
  14. Best answer selected by suigeneris20.
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