NVIDIA GeForce 8800 GTS 512 & GeForce 8800 GT 256MB: Playing with Memory and G92
by Anand Lal Shimpi on December 11, 2007 12:00 AM EST- Posted in
- GPUs
8800 GTS 512 vs. 8800 GT
Despite being hardly available, the 8800 GT (512MB) is still a crowd favorite. It's fast, and even at $300 - $350 it's a good card, albeit not nearly as attractive as if you could buy it for $250. It's safe to say that the 8800 GTS 512 will retail for at least $50 more than the 512MB 8800 GT, but what will that $50 buy you?
The 8800 GTS 512 has 24% more shader processing power than the GT but just under 8% more memory bandwidth. Where the 8800 GTS 512 needs to really shine in order to distance itself from the GT is in high resolution performance, but it may not have the memory bandwidth to really do so. Let's find out whether or not that's true:
We'll start off with Quake Wars, here we see a healthy 10 - 15% performance advantage at 1600 x 1200 and up:
Turning on AA however erases the advantage as limited memory bandwidth becomes the great equalizer:
World in Conflict shows a similar but less severe pattern:
Without AA enabled, the GTS 512 shows a 7% advantage at 1600 x 1200, 10% at 1920 x 1200 and 13.5% at 2560 x 1600. With AA enabled the performance gap shrinks to 7%, 8% and 11%, respectively.
The rest of the titles show similar performance patterns, at higher resolutions the GTS 512 holds a 10 - 15% performance advantage over the 8800 GT. Turn on AA and the advantage drops to 7 - 11%.
The 8800 GTS 512 looks to be an average of 10% faster than the 8800 GT, is it worth the $50+ premium it'll command? Not really, the 512MB 8800 GT is still the sweet spot. Moving on...
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wordsworm - Tuesday, December 11, 2007 - link
I recall someone mentioning that 32 bit OS can only handle 4GB of memory. This can be allocated to the video card memory and motherboard memory. Seems to me that since AT is running 4GB of memory on the MB and 256, 512, and 768MB on the VC, I can't help but think this would somehow skewer the results. Am I missing something?Le Québécois - Tuesday, December 11, 2007 - link
How about some tests to see how well those cards do in MultiGPU Scaling? The 8800GT 512 did pretty good but was somewhat limited by memory at higher resolution. Since the 8800GTS 512 has the same amount of memory, could we expect the same king of scaling? What about the 8800GT 256?EateryOfPiza - Tuesday, December 11, 2007 - link
seconded!Le Québécois - Tuesday, December 11, 2007 - link
On page 3 many of the graphs show 8800 GTX Ultra in the legend.At the bottom of page 4 "The 8800 GTS Ultra looks to be an average of 10% faster than the 8800 GT, is it worth the $50+ premium it'll command? Not really, the 512MB 8800 GT is still the sweet spot. Moving on..."
Should be The 8800 GTS 512.
sabrewulf - Tuesday, December 11, 2007 - link
I'm sure you have your reasons, and I know the results would be largely similar, but I would really have preferred to see GTS512 vs GTX, as I'm sure there are far more GTX owners than Ultra owners (relatively speaking)Super Nade - Tuesday, December 11, 2007 - link
Guys, how about posting a few scores with the cards overclocked? After all that is why we buy these cards, right ; to extract every ounce of performance? :)Best wishes,
Super Nade,
OCForums
shabby - Tuesday, December 11, 2007 - link
From the original $200-249 the 8800gt shot up to almost $300, while the gts will be reaching for the $400 mark with the overclocked models, even the 256meg gt is priced over $200.Why are all these cards so far off from the msrp? It was never like this before with the gtx/ultra cards.
homerdog - Tuesday, December 11, 2007 - link
The cheapest model on Newegg right now is a stock eVGA one for $359.99, which is just outside the upper end of the MSRP. That is still a good price when viewed from the "it's almost as fast as an Ultra and faster than a GTX" perspective.jay401 - Tuesday, December 11, 2007 - link
Actually Anandtech's being revisionist with their pricing history.The original 8800GT 512MB article last month stated MSRP was $200-250. That was, to paraphrase, based on the logical inference of the article, "closer to $200 for reference clocked 512MB models and closer to $250 for high-end models".
The 256MB model wasn't even in the shipping channels at that time and had no bearing on the pricing mentioned in the article, which was very specifically regarding the 512MB model, as that was what the review was about - the 8800GT 512MB.
And in the first two weeks we saw them priced as low as $209 for reference models and $229 for overclocked models, further supporting the reality of that MSRP price range.
The only reason they're as expensive as you see them today is limited supply & high demand.
But now Anandtech wants to satisfy NVidia and help them justify maintaining the current pricing even after supply exceeds demand, which would be absurd.
Just thought you should know the truth.
And just so you don't think I'm some biased ATI/AMD owner, I picked up my 8800GT for $250 and am very happy with it. But I feel sorry for folks paying $300 (or more!) for a $200-250 card.
tshen83 - Tuesday, December 11, 2007 - link
actually, you don't understand the fundamentals of supply and demand. The 8800GT 512MB is selling at 30 dollars over MSRP because it is just that good and worth that much. Nvidia priced it too low. The Radeon HD3850 is priced at 179 and not selling over MSRP because there is less demand due to poorer performance, especially with AA+AF.