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http://www.anandtech.com/video/showdoc.aspx?i=3266
As we mentioned, NVIDIA has done single card dual GPU in the past. But this board is different from both the 7950 GX2 and it's current competitor, the 3870 X2. Let's take a look at the board and see just what the differences are.
Test Setup
CPU 2x Intel Core 2 Extreme QX9775 @ 3.20GHz
Motherboard Intel D5400XS (Skulltrail)
Video Cards ATI Radeon HD 3870 x2
ATI Radeon HD 3870
NVIDIA GeForce 9600 GT 512MB
NVIDIA GeForce 8800 GT 512MB
NVIDIA GeForce 8800 Ultra
NVIDIA GeForce 9800 GX2
Video Drivers Catalyst 8.3
ForceWare 174.53
Hard Drive Seagate 7200.9 120GB 8MB 7200RPM
RAM 2xMicron 2GB FB-DIMM DDR2-8800
Operating System Windows Vista Ultimate 64-bit SP1
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And once again NVIDIA sets its self on top of the graphics card performance pile.
AMD is able to keep up with 3x (or more) 3870 cards in Oblivion, but everywhere else it's the 9800 GX2 on top. As far as single card solutions, the 9800 GX2 is currently the alpha dog.
Like the 3870 X2, we didn't have any trouble installing the driver and getting things rolling. The experience was smooth and clean as far as that was concerned. We did run into some problems that seem like they might be Skulltrail specific at this point. The latest BIOS and 174.53 driver from NVIDIA solve a graphics driver failure when playing Crysis, and we saw some strange scaling at lower resolutions, but we don't expect most users to run into those problems.
Despite the fact that this card does lead the rest of the field counts for something, but its price tag will be a limiting factor. There are advantages to having the fastest card around of course, and we expect that NVIDIA will use this card to position itself as the best option in computer graphics. Certainly they are the best option when you have deep pockets, but savvy gamers will still pay close attention to price / performance and overall value. It can be fun to explore what is possible with the best of the best, but at the end of the day you have to come home to what ever is in your own box.
AMD has been fighting back, first with strong offerings in the midrange and then with stronger price cuts. While it is clear AMD can't compete at the high end, they are still capable of competing for gamer's dollars. Just because another company has the top card out there doesn't mean that all of their other parts gain some mystic value. While it still isn't relevant for games yet and we can't even test the performance of it, AMD's hardware supports DX10.1 while NVIDIA is still lacking in that area. The built-in HD audio device that outputs sound over the DVI port when the AMD HDMI adapter is attached is incredibly convenient (though both vendors are lacking in how well the support audio over HDMI).
The point is that you can't judge a book by its cover or a graphics card by some other part that is much faster. Take each case as it comes and make a decision based on what is best at that price point at that time. If your price point happens to be $600 to $650, by all means, pick up a 9800 GX2. If not, make sure you do your homework. |
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发表于 2008-3-18 21:37
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