SLI/Crossfire compared to single-card setups

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  • Bombonera 6 Aug 2012 14:07:21 344 posts
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    I was wondering if any EG users use Crossfire or SLI and, if so, what are your opinions on it? Also, can two middling cards ever match a high end single card for performance? I don't really know what is considered high end right now but I currently have a GTX 470. Wondering if it's worth going SLI or just going for a straight upgrade to a better single card.
  • Deleted user 6 August 2012 14:18:40
    Waste of time
  • orpheus 6 Aug 2012 14:54:27 993 posts
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    rodpad wrote:
    Noisy, hot, micro-stutters, erratic compatibility and not much of a performance increase for a fair few games.

    You are always better off selling your current card and getting a better single card.
    A thousand times this. Just don't bother, spend the extra on a better single GPU solution.
  • bodhi85uk 6 Aug 2012 16:59:06 179 posts
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    Everything thats been said above really. Not surprising really if you consider how many games support quad core processors. SLI is even further down a developers priorities.

    I was building a machine today in fact with an ASUS 2011 socket board that supported 4x Crossfire/SLI, and it proudly boasted that with 4 cards you could expect up to 30% more performance(!)

    'Bang for your buck' indeed.
  • Lamb 6 Aug 2012 18:41:09 472 posts
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    I disagree its not a waste technically unless you go more than two cards.

    Two cards make one game that struggles with one card fluid and 3D is also possible.

    Stay away from integrated two in one cards as performance is benchmarked slightly less than two individual cards in SLI or Crossfire.
  • THFourteen 6 Aug 2012 18:43:41 32,857 posts
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    I read a lot about microstuttering issues previously and its always put me off. don't have any first hand advice though.
  • Dirtbox 6 Aug 2012 18:44:04 77,467 posts
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    However, 2 in 1 cards are more stable and less prone to the types of incompatibilities and overheating that is common with 2 separate cards.

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  • flynny_gamer 18 Sep 2012 15:29:35 1 posts
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    @Bombonera

    #If its just for gaming then buy responsibly. alot of games will run full throttle on 1-2Gb Vram system. We are seeing games reach the 2Gb+.
    If you can afford/justify spending $500US minimum for a top of range card then go for it. It will perform amazingly on benchmarks over "most" crossfire setups depending on choice...then buy another of the same model at much more reasonable price later on if desired to juice up.
    What xfire needs to perform best is a quality front end, and quality cards. Microshuttering is not noticable supposedly in most cases...?

    My Intel 3770K OC 4.5Ghz - 16Gb Vengeance(1600) - 240Gb(6Gb/s) SSD
    Build 2x sapphire radeon HD 7850(2Gb) OC
    Gigabyte Z77-UD3 Wifi/BT mobo


    its not the ultimate of everything. ive seen high-end games like metro 2033 and skyrim perform without flaw with maximum settings. play it on one card it chokes at high end. put in a pricey $700 card, back to maximum settings.

    I paid alot less than 500USD for the two GPU. Giving me 4Gb Vram. 3D capability. More money to spend on other value for money components.
    I will one day buy a top range single card. but this setup will suffice for some time. I am waiting for HDMI to get dumped personally. DisplayPort is the future. Will wait for tv/projectors units to catch up.
    Most high end graphics will have a DisplayPort/HDMI atm. Also the ULTRA HD comes out at end of year.

    this is my opinion based on researching my build for a about a month. built for gaming + 3D + video processing.

    :)
  • Carlo 18 Sep 2012 15:35:07 17,948 posts
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    flynny_gamer wrote:
    I paid alot less than 500USD for the two GPU. Giving me 4Gb Vram.

    It doesn't work like that

    PSN ID: Djini

  • RobTheBuilder 18 Sep 2012 15:45:03 6,521 posts
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    I would always go with a single card if it's affordable. However getting a second card to add in rather than buying a new expensive card might work out cheaper for an upgrade of an existing system.
  • Dirtbox 18 Sep 2012 15:54:58 77,467 posts
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    Worth adding that you don't need currently more than 1gb vram unless you're using more than one screen.

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  • Dirtbox 18 Sep 2012 15:54:58 77,467 posts
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    Worth adding that you don't need currently more than 1gb vram unless you're using more than one screen.

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  • Whizzo 18 Sep 2012 15:55:36 43,033 posts
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    You appear to be posting using SLI Deebs.

    This space left intentionally blank.

  • Dirtbox 18 Sep 2012 15:57:03 77,467 posts
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    Not I.

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  • Dirtbox 18 Sep 2012 15:57:11 77,467 posts
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    Not I.

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  • Dirtbox 18 Sep 2012 15:57:24 77,467 posts
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    RUMBLED!

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  • Fake_Blood 18 Sep 2012 16:09:07 4,067 posts
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    I've got a gtx 480 in SLI with a 3D Blaster VooDoo2 and I'm running GTA at 1000fps.
  • RobTheBuilder 18 Sep 2012 16:16:08 6,521 posts
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    That's interesting. I have 3000 TNT2's hooked up in a mile long sli chain that gives me 61fps in Crysis 2.
  • yegon 18 Sep 2012 16:19:51 5,161 posts
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    I SLI really that bad? I currently have a GTX580, been an excellent purchase (restored my faith in NVIDIA after a couple of bad experiences) and I've zero need to upgrade any time soon, but I did wonder about shoving another one in 12 months or so down the line when they can probably be had for peanuts.

    Edited by yegon at 16:20:29 18-09-2012
  • bitch_tits_zero_nine 18 Sep 2012 16:27:45 6,654 posts
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    Micro Stuttering would drive me up the wall, just as bad as a poor framerate so no point really imo.

    I can sort of understand lengthening the life of a mid range card, but then surely it would cost more initially to create a PC that could take another card.

    But for high end, considering you get people being called idiot for buying the most powerful single card solution as being overkill, the idea that there is people out there prepared to buy two or three baffles me.
  • yegon 18 Sep 2012 16:37:15 5,161 posts
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    My only semi regret is buying a 2560x1440 monitor. As good as it is, and the 580 still pretty much nails everything at max detail/60fps, I know if I'd gone for a smaller 24" 1920x1200/1080 monitor I could probably go a fair bit longer without ever having to reduce settings. Going non-native res is not an option for me, I'd rather have less detail and maintain 60fps.
  • bitch_tits_zero_nine 18 Sep 2012 16:45:21 6,654 posts
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    That's a crazy resolution. At least you know games will run well for at least another year until they release the next gen consoles and raise the baseline specs.
  • superdelphinus 18 Sep 2012 16:52:45 8,016 posts
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    When the 360 was released where did it rate against PCs of the time? Top end?
  • bitch_tits_zero_nine 18 Sep 2012 16:55:25 6,654 posts
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    Pretty good, I remember Call of Duty 2 was state of the art in terms of gaming, and it ran that butter smooth.
  • Dirtbox 18 Sep 2012 16:56:58 77,467 posts
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    superdelphinus wrote:
    When the 360 was released where did it rate against PCs of the time? Top end?
    Midrange.

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  • munki83 18 Sep 2012 17:02:21 1,397 posts
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    Think the 360 was low to midrange but consoles are closed systems you get more bang for your buck.
  • Dirtbox 18 Sep 2012 17:04:50 77,467 posts
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    I wouldn't say that considering the release day price.

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  • yegon 18 Sep 2012 17:09:21 5,161 posts
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    I love pc gaming, but it's hard to argue that a 7 year old console that still runs reasonably impressive games hasn't delivered.

    Saying that, I'm on my 3rd 360 (6th if you include warranty replacements) so, err, maybe not!
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