Black & White 2 Performance

Black & White 2

Black & White 2 - Power Consumption

Black and White 2 - Performance per Watt

The GeForce 8800 GTX once again makes an impressive showing in Black and White 2, nearly equaling the performance of X1950 XTX CrossFire and GeForce 7900 GTX SLI in all tested resolutions. Even at these very high quality settings, 8800 GTX SLI becomes CPU limited below 1920x1440, so you will definitely want a large monitor before even considering two of these cards. Quad SLI has a pretty poor showing in this game, which is a problem that has plagued QSLI since it first became available. In games that can leverage the technology, it can improve performance quite a bit, but in other titles Quad SLI has difficulty even keeping up with 7900 GTX SLI.

GeForce 8800 GTS is quite a bit slower than its big brother, offering performance more or less equal to the X1950 XTX and the 7950 GX2. It still has the DirectX 10 advantage, but in current generation titles it's more a case of remaining competitive rather than adding a substantial performance increase. In this game, GeForce 8800 GTS is only ~15% faster than 7900 GTX. Two 8800 GTS cards in SLI should still take second place overall, but it's going to be a distant second.

F.E.A.R. Performance Oblivion Performance
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  • JarredWalton - Wednesday, November 8, 2006 - link

    Page 17:

    "The dual SLI connectors are for future applications, such as daisy chaining three G80 based GPUs, much like ATI's latest CrossFire offerings."

    Using a third GPU for physics processing is another possibility, once NVIDIA begins accelerating physics on their GPUs (something that has apparently been in the works for a year or so now).
    Reply
  • Missing Ghost - Wednesday, November 8, 2006 - link

    So it seems like by substracting the highest 8800gtx sli power usage result with the one for the 8800gtx single card we can conclude that the card can use as much as 205W. Does anybody knows if this number could increase when the card is used in DX10 mode? Reply
  • JarredWalton - Wednesday, November 8, 2006 - link

    Without DX10 games and an OS, we can't test it yet. Sorry. Reply
  • JarredWalton - Wednesday, November 8, 2006 - link

    Incidentally, I would expect the added power draw in SLI comes from more than just the GPU. The CPU, RAM, and other components are likely pushed to a higher demand with SLI/CF than when running a single card. Look at FEAR as an example, and here's the power differences for the various cards. (Oblivion doesn't have X1950 CF numbers, unfortunately.)

    X1950 XTX: 91.3W
    7900 GTX: 102.7W
    7950 GX2: 121.0W
    8800 GTX: 164.8W

    Notice how in this case, X1950 XTX appears to use less power than the other cards, but that's clearly not the case in single GPU configurations, as it requires more than everything besides the 8800 GTX. Here's the Prey results as well:

    X1950 XTX: 111.4W
    7900 GTX: 115.6W
    7950 GX2: 70.9W
    8800 GTX: 192.4W

    So there, GX2 looks like it is more power efficient, mostly because QSLI isn't doing any good. Anyway, simple subtraction relative to dual GPUs isn't enough to determine the actual power draw of any card. That's why we presented the power data without a lot of commentary - we need to do further research before we come to any final conclusions.
    Reply
  • IntelUser2000 - Wednesday, November 8, 2006 - link

    It looks like putting SLI uses +170W more power. You can see how significant video card is in terms of power consumption. It blows the Pentium D away by couple of times. Reply
  • JoKeRr - Wednesday, November 8, 2006 - link

    well, keep in mind the inefficiency of PSU, generally around 80%, so as overall power draw increases, the marginal loss of power increases a lot as well. If u actually multiply by 0.8, it gives about 136W. I suppose the power draw is from the wall. Reply
  • DerekWilson - Thursday, November 9, 2006 - link

    max TDP of G80 is at most 185W -- NVIDIA revised this to something in the 170W range, but we know it won't get over 185 in any case.

    But games generally don't enable a card to draw max power ... 3dmark on the other hand ...
    Reply
  • photoguy99 - Wednesday, November 8, 2006 - link

    Isn't 1920x1440 a resolution that almost no one uses in real life?

    Wouldn't 1920x1200 apply many more people?

    It seems almost all 23", 24", and many high end laptops have 1900x1200.

    Yes we could interpolate benchmarks, but why when no one uses 1440 vertical?

    Reply
  • Frallan - Saturday, November 11, 2006 - link

    Well i have one more suggestion for a resolution. Full HD is 1920*1080 - that is sure to be found in a lot of homes in the future (after X-mas any1 ;0) ) on large LCDs - I believe it would be a good idea to throw that in there as well. Especially right now since loads of people will have to decide how to spend their money. The 37" Full HD is a given but on what system will I be gaming PS-3/X-Box/PC... Pls advice. Reply
  • JarredWalton - Wednesday, November 8, 2006 - link

    This should be the last time we use that resolution. We're moving to LCD resolutions, but Derek still did a lot of testing (all the lower resolutions) on his trusty old CRT. LOL Reply

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