NVIDIA GeForce 8800 GT: The Only Card That Matters
by Derek Wilson on October 29, 2007 9:00 AM EST- Posted in
- GPUs
Here we are, a year after the launch of G80, and we are seeing what amounts to the first real "refresh" part. Normally, we see a new or revamped version of hardware about 6 months after its introduction, but this time NVIDIA introduced its latest architecture over a six month period instead. First we saw the high end hardware hit, then the low end parts emerged after resting on previous generation hardware to serve as the low end. We haven't seen a true midrange part come out over the past year, which has disappointed many.
Rather than actually create a midrange part based on G80, NVIDIA opted to tweak the core, shrink to a 65nm process, integrate the display engine, and come out with hardware that performed somewhere between the high end 8800 GTS and GTX (G92). While this, in itself, isn't remarkable, the fact that NVIDIA is pricing this card between $200 and $250 is. Essentially, we've been given a revised high end part at midrange prices. The resulting card, the 8800 GT, essentially cannibalizes a large chunk of NVIDIA's own DX10 class hardware lineup. Needless to say, it also further puts AMD's 2900 XT to shame.
We will certainly provide data to back up all these ridiculous claims (I actually think NVIDIA may have invented the question mark as well), but until then, let's check out what we are working with. We've got a lot to cover, so let's get right to it.
Rather than actually create a midrange part based on G80, NVIDIA opted to tweak the core, shrink to a 65nm process, integrate the display engine, and come out with hardware that performed somewhere between the high end 8800 GTS and GTX (G92). While this, in itself, isn't remarkable, the fact that NVIDIA is pricing this card between $200 and $250 is. Essentially, we've been given a revised high end part at midrange prices. The resulting card, the 8800 GT, essentially cannibalizes a large chunk of NVIDIA's own DX10 class hardware lineup. Needless to say, it also further puts AMD's 2900 XT to shame.
We will certainly provide data to back up all these ridiculous claims (I actually think NVIDIA may have invented the question mark as well), but until then, let's check out what we are working with. We've got a lot to cover, so let's get right to it.
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Spacecomber - Monday, October 29, 2007 - link
TestEateryOfPiza - Monday, October 29, 2007 - link
What kind of G92 variants can we expect by Christmas 07?Or Summer 08?
mpc7488 - Monday, October 29, 2007 - link
ardOCP is reporting that nVidia is increasing the 8800GTS stream processors to 112.Spacecomber - Monday, October 29, 2007 - link
Testing ;-)Spacecomber - Monday, October 29, 2007 - link
It appears that it was the bracketed h that was hiding all subsequent text. It needed a bracketed /h to close that "feature".mpc7488 - Monday, October 29, 2007 - link
Haha - thanks. I guess if anyone wants the explanation of the stream processors they can highlight the 'hidden message'.mpc7488 - Monday, October 29, 2007 - link
I'm not sure why the first post lost my text unless it was the bracket I used around the H - but HardOCP is reporting that nVidia is changing the 8800GTS 640 MB to have 112 stream processors.mpc7488 - Monday, October 29, 2007 - link
Great article Derek - I think you can tell you're mildly excited about this product :)Is there a reason that you didn't do any tests with anti-aliasing? I would assume that this would show more deviation between the 8800GTX and the 8800GT?
chizow - Monday, October 29, 2007 - link
Nice job as usual Derek!Just wondering though, if you were able to test the cards at the same clock speeds. The GT by default has @100MHz advantage on the core over the GTS, which is a common reason the GTS falls so far behind in head to head testing. I expect the GT to have more OC'ing headroom than the GTS anyways, but it would be nice to see an apples to apples comparison to reveal the impact of some of the architecture changes from G80 to G92. Of note, the GT has fewer ROPs and a smaller memory bus but gains 1:1 address/filter units and 16 more stream processors.
Also, I saw an early review that showed massive performance gains when the shader processor was overclocked on the GT; much bigger gains than significant increases to the core/memory clocks. Similar testing with the GTS/GTX don't yield anywhere near that much performance gain when the shader core clock is bumped up.
Lastly, any idea when the G92 8800GTS refresh is going to be released? With a 640MB GTS this seems more of a lateral move to an 8800GT, although a refreshed GTS with 128SP and all the other enhancements of the G92 should undoubtedly be faster than the GTX...and maybe even the Ultra once overclocked.
Hulk - Monday, October 29, 2007 - link
I'm looking to build a HTPC and this would be a great card if it does video decoding?