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  1. #1
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    Feb 2010

    Whats better? one vs 2(Xfire)

    Im trying to figure out what would be better. Im definatly on a budget and want the most bang for my buck. I need some help figuring out which would be overall better.

    Would one card this class:
    http://www.newegg.com/Product/Produc...82E16814150464

    be better than running two cards of this class:
    http://www.newegg.com/Product/Produc...82E16814121365

    My graphics card right now is badly outdated and my computer bogs down on some games but my cpu and memory are under 50% load so i know its just my video card bottle necking the entire system. Any insight would be great. thanks!
    Tower: Cooler Master HAF 932 & Cooler Master Ultimate 700W PSU
    Motherboard: Biostar TA790GX A3+
    CPU: AMD Phenom II 965 BE & Zalman 9900ALED CPU Cooler
    Memory: 8GB (4x2GB) Gskill Ripjaw DDR3 1600
    Video Card: ATI Radeon 512MB 1600 Pro (Oh yeah!)
    OS: Windows 7 x64

  2. #2
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    Jan 2010
    I would go with the single 5770 as the 5450 is more of a htpc solution. I have a single 5770 oced, and it does well with new games. Dirt 2, and bad company 2 play at highest settings with 4xaa and 4xaf at 1600x900 with framerates of 40+ fps. You can always add a second 5770 in the future.
    CPU # Core i5 750 @ 4.2GHz-1.425v
    Cooler#Cooler Master Hyper 212+
    Mobo#ASRock P55 Extreme
    RAM#Gskill Ripjaws 4GB (2 x 2GB) DDR3 1600 @ 1800MHz 9-9-9-24-1T
    GPU#Powercolor Radeon HD5770 1GB 950/1335 Stock Voltage
    HDD#Western Digital Caviar Black 750GB
    PSU#BFG Tech 550W
    Case#Antec 900

  3. #3
    5up3r m0d3r4t0r
    Overclockers.com Editor

    MattNo5ss's Avatar
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    I agree, go one HD5770. You don't need to buy a factory OC'd card, as you can do that yourself.
    i7 4770K | ASRock Z87M OC Formula | 2x8GB Crucial Ballistix DDR3-1600 8-8-8-24 1.35v | EVGA GTX780 SC ACX | ASUS Xonar Essence STX | 256GB OCZ Vertex 4 | SeaSonic SS-1000XP
    Pentium G3258 | ASUS Z87I-Deluxe | 2x8GB Crucial Ballistix DDR3-1600 8-8-8-24 1.35v | 5x2TB RAIDZ | Corsair CX430

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  4. #4
    Younglin's Avatar
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    5770 for sure. Not at all games support crossfire and 1 5450 won't do to well in modern games.

  5. #5
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    Jan 2010
    I'm pretty sure you could run four 5450's in crossfireX and the 5770 would still eat it for lunch, the 5450 is pretty much the ultimate HTPC solution and was never intended for gaming.

  6. #6
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    Quote Originally Posted by NOVAA View Post
    I'm pretty sure you could run four 5450's in crossfireX and the 5770 would still eat it for lunch, the 5450 is pretty much the ultimate HTPC solution and was never intended for gaming.
    here is probably a bad question, but what does HTPC stand for?

    thanks for the great feedback. i guess i was just thinking more 2 gigs of video ram might be better. thanks

  7. #7
    5up3r m0d3r4t0r
    Overclockers.com Editor

    MattNo5ss's Avatar
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    HTPC = Home Theater PC

    When you SLI or Xfire the vRAM from each card isn't added together to get total vRAM. If you have 2x 1GB cards, then you still only have 1GB usable at any one moment. The physical RAM chips on each card are used, but only 1GB is addressable.
    i7 4770K | ASRock Z87M OC Formula | 2x8GB Crucial Ballistix DDR3-1600 8-8-8-24 1.35v | EVGA GTX780 SC ACX | ASUS Xonar Essence STX | 256GB OCZ Vertex 4 | SeaSonic SS-1000XP
    Pentium G3258 | ASUS Z87I-Deluxe | 2x8GB Crucial Ballistix DDR3-1600 8-8-8-24 1.35v | 5x2TB RAIDZ | Corsair CX430

    My Overclockers.com Articles | HWBot Profile | Heatware (101-0-0)

    Projects: Copper-Framed, MDF Station | PVC-Framed, MDF Station | Custom Cascade Cart/Case | Untitled TJ07 Build


  8. #8
    Younglin's Avatar
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    here is probably a bad question, but what does HTPC stand for?

    thanks for the great feedback. i guess i was just thinking more 2 gigs of video ram might be better. thanks
    If your using a higher res then yes more vram would help but at lower res's you won't see a performance increase. But like I said before, many games don't support xfire. So if you go the 2 x 5450 route you'll be using 1 GB sometimes anyway.

  9. #9
    Retired Joeteck's Avatar
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    Go with two 5770's...

    Hell with the budget!

    hahahahahaha

  10. #10
    Younglin's Avatar
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    Go with two 5770's...

    Hell with the budget!

    hahahahahaha
    Well if your going hell with the budget jump up to a 5970!

  11. #11
    Retired Joeteck's Avatar
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    Quote Originally Posted by Younglin View Post
    Well if your going hell with the budget jump up to a 5970!

    LOL, you only live once, might as well enjoy it...

  12. #12
    Younglin's Avatar
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    LOL, you only live once, might as well enjoy it...
    +1

    And when your young enough to not have any expenses might as well spend your money on what you love. =]

  13. #13
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    lol! let me run that passed my wife. haha. thanks for explaining that stuff though. i have kinda fallen out of the know in some of the latest tech. on a side note, i overclocked my current card using AMDs software to try and sqeeze some more frames out of it, but it crashed once i loaded a game. it was kinda funny.

  14. #14
    Member Austin3334's Avatar
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    Sep 2009
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    get one 5770 and get another one later. 2 x 5770 is very close to a single 5870 and is sometimes better.
    Core I5 760 @ 4GHZ
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    OCZ Fatal1ty 550W
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    Azza Hurrican

  15. #15
    Younglin's Avatar
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    get one 5770 and get another one later. 2 x 5770 is very close to a single 5870 and is sometimes better.
    \

    With a slight OC it will beat out a 5870

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