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    Default X2900XT Review

    Last edited by alexk; 05-13-2007 at 11:02 PM.

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    Yup. It's been all over the overclocking forums.

    I think that some of the problem might be driver related, but other than that I'm a bit disappointed in the card as far as DX9 performance goes. I play STALKER avidly, so if the 8800 series does better with STALKER I'll be buying an 8800GTS 640mb.

    For those interested you can buy the HIS 2900XT from Case-mod.com for 414$. That pretty decent considering HIS usually has an enthusiast cooling solution on their cards, and they apparently are also going to bundle a voucher for a good game in there (I've heard that it's either Crysis or Half Life 2: Episode 2).

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    Quote Originally Posted by PaulTa View Post
    so if the 8800 series does better with STALKER
    I'm sure it does. STALKER was heavily optimized for Nvidia cards from the beginning - I remember reading a very old interview with STALKER's team where they specifically mentioned Nvidia and all the optimizations they were doing for their cards (unfortunately I can't find a live link anymore), plus there were numerous posts from ATi users all over the official forums (especially Russian ones) complaining about horrible performance with "full dynamic lighting" enabled.

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    It's driver and currently available benchmarks.

    We can't give the card a fair shake until we see it on 3DMark'07 running Vista.

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    Well, looks like it takes only 17W more than the 8800GTX....

    That makes it consume what? 165W at the most? I told you so....

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    Quote Originally Posted by SKYMTL View Post
    Well, looks like it takes only 17W more than the 8800GTX....

    That makes it consume what? 165W at the most? I told you so....
    First of all, ATi themselves (just read the review more carefully... it not that hard to do ) claim that it consumes more than 200w, second of all, do you have the exact data of the 8800GTX's power consumption? Because from what I've seen there's no official specifications anywhere on Nvidia's official page and a different websites claim totally different power consumption for it, up to 200w at full load:
    http://www.pcworld.in/review/article.../secId=3342337

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    200W at full load???? Are you kidding me?

    Hilbert over at Guru3D has shown time and again that they take sufficiently LESS than that. Take this for example:

    http://www.guru3d.com/article/Videocards/408/4/

    Two of the Water Cooled editions PLUS THE REST OF THE SYSTEM under load draw 471W. So are you telling me his X6800, Raptor HD, 2GB ram, fans +++ draw ONLY 71W? In addition to that, the reading at the outlet is done AFTER efficiency is factored in. So, even if the PSU being used was working at 80% efficiency the components would only be drawing about 377W. 200W per 8800GTX....I don't think so

    Don't be so naive.

    In addition, the reviewer at VR Zone mentioned what the ATI mouthpiece SAID but if you read further you will see that they actually TESTED it under load conditions with a clamp meter:

    http://www.vr-zone.com/?i=4946&s=9

    I see 17W more than a GTX under load.

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    Here's another review (a very short one though) of the HD 2900XT:
    http://www.tbreak.com/reviews/articl...1&pagenumber=1

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    Quote Originally Posted by SKYMTL View Post
    lots of stuff which can be summarized in single sentence
    So in other words, you don't have an exact power consumption of a single 8800GTX card? Just like I thought

    In a more serious note, all these "show a full system power consumption" benchmarks are pretty useless (in my opinion) when it comes to trying to determine the power consumption of the video cards - first of all, I don't really know HOW exactly these total power loads were measured (did they use the "min/max" function on multimeter (if it even has one) or did they simply stared at its LCD once in a while and recorded the highest wattage they managed to see? They don't exactly say that in any of the reviews you've linked and I wasn't physically present at these reviews, so why should I assume they did it the "right way"?). Second of all, ALL of the games/benchmarks they've used for testing might simply NOT provide maximum load for these cards - after all they are OLD, DX9-based games/demos which do not use any of the DX10-specific hardware functions that are present on the G80/R600 GPU's. Last of all, I'd rather trust ATi than some random review site since ATi themselves have ALL the proper equipment (and software, including possibly the custom-made DX10 benchmarks) to test the absolute maximum power consumption of each reference card (or maybe even GPU) itself, without trying to do some random approximations based on some specific system's total power consumption

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    Quote Originally Posted by alexk View Post
    So in other words, you don't have an exact power consumption of a single 8800GTX card? Just like I thought
    We do have it:

    http://www.xbitlabs.com/articles/vid...roundup_6.html

    Xbitlabs does VERY thorough tests when it comes to power consumption.

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