Awesomedude
Weaksauce
- Joined
- Jan 9, 2005
- Messages
- 93
Ok since we know a lot about the upcoming fermi gt300 w/e you wanna call it card from nvidia, I thought it would be fun to see if we can try to estimate the performance of the gt300, and see how it compares. We are going to have to make assumptions, and these are all purely guesses. I am going to try to look at game performance as well as extras, and am curious to see what the [H] crowd thinks of my numbers, and if the card performs like I guess what do you think of it?
Here is what we know and what we are going to assume for this post:
Fact: The gt300 will have 512 cores, this is 2.13 time as many cores as the GTX 285 which has 240 cores.
Fact: The gt300 has about 6.5% more cores then a gtx 285 sli setup
Fact: The gt300 is a wildly new architecture from the gt200
Fact: SLI doesn't = double the performance, there are losses due to sli
Fact: the gt300 has 2.14 times as many transistors.
Fact: The gt300 will feature gddr 5.0 vs gddr 3.0 for the gt200
Assume: Since according to a front page post nvidia has "eyefinity" technology that they will implement it
Assume: That the gt300 will run at the same clocks as the gt200
Assume: That the gt300 will cost between $500-$600
Assume: That with the gt300 supporting c++ that some apps will become accelerated by gpu
Assume: That there will be a linear increase in performance based on the core increase (this is kind of a big assumption I'm not sure that this will exactly be the case, but we are guessing here, in all actuality it will probably be less)
Assume: That there is a 10% decrease in performance due to sli. (I just picked a number, I imagine this would be lower end, but this is just to get an idea)
Assume: That since this is a new architecture that will be 10% faster per clock then previous architectures. (It is impossible to know if Nvidia's changes will have a positive impact on FPS, or a negative one, but I'd like to think there will be an improvement, but it makes more sense that there would be an improvement, even if most of the improvements are meant for CUDA. 10% is a stab in the dark the performance increase over gt200)
Ok now after a quick googling I could only find one site that compared the 5870 and gtx 285 in sli. I haven't looked into it much but it looks like these are canned benchmarks (not [H] quality) again I am just trying to get an idea on performance if someone has a better review we can compare numbers with then I'd love to see it, but this is what I found.
Now lets start with a gtx 285 in sli as our base performance, and modify that based on the numbers above. First we have a 6.5% improvement for the extra cores, then we multiply in 10% because this is a single card vs the sli configuration, next we multiply a 10% architecture boost. This gives us an overall 28.8% boost over a gt280 sli configuration. Now lets round that down to 25% and look at some benchmarks.
http://www.hexus.net/content/item.php?item=20354&page=4
Here is where I am using the bechmarks from, again these aren't the best benchmarks as far as I can tell but we are making a guess.
Farcry 2 - 2560 x 1600 4xAA 16xAF (average fps)
GTX 285 SLI - 75.5
GT300 - 94.4
5870 - 57.4
5870 XF - 99.1
Grid - 2560 x 1600 4xAA 0xAF
GTX 285 SLI - 106.8
GT300 - 133.5
5870 - 87.2
5870 XF - 151.9
H.A.W.X. 2560 x 1600 4xAA
GTX 285 SLI - 73.5
GT300 - 91.9
5870 - 56.0
5870 XF - 93.5
Call of Duty world at war 2560 x 1600
GTX 285 SLI - 121.4
GT300 - 151.75
5870 - 82.6
5870 XF - 123.5
Enemy Territory: quake wars 2560 x 1600 4xAA 16xAF
GTX 285 SLI - 113.2
GT300 - 141.5
5870 - 76.9
5870 XF - 135.0
Now I know a lot of these games are older games, but even in most of them the gtx285 sli beating the 5870 by a good margin, now if we assume the gt300 will best the sli setup, then we can see that the gt300 is comparing favorably with the 2 5870s in crossfire. All of the cards are providing more then enough performance for any of these games at these huge resolutions, even the GTX 275 in the original review seemed to be handling these well.
Also I read somewhere that flash might support acceleration through CUDA in the future, also since there already exist cpu optimized versions of firefox, one could assume there might be a gpu optimized version or perhaps gpu optimizations or extensions to other programs that will enable a speed boost using an Nvidia gpu, I imagine you could see a huge increase in converting music, video, picture editing and more. There probably won't be a lot of this at launch, but I'd guess within the first year you'd start to see everyday applications make use of CUDA now that you can write it in c++
Now assuming a $500-600 ish pricetag and the above stats how do you feel about the GT300? Worth the wait? Overpriced?
Also I'd love to hear others takes on what the GT300 will perform like, if you agree with my numbers or if you think they are way off.
Also I'd love to see a [H] review of the 5870 compared with a GTX 285 sli setup, maybe even their guess as to how a GT300 might compare based on what we know compared to the GTX 285 sli.
Again this is all just guesswork based on what we know and some benchmarks from some random site off of google, the fermi white paper has me curious on what the GT300 has in store, and this is a fun way to fill the "few more months"
NOTE: I am not in any way shape or form a GPU expert, and some of the stuff in white paper went over my head, I'd love someone with a better understanding to take a better stab at some numbers
Here is what we know and what we are going to assume for this post:
Fact: The gt300 will have 512 cores, this is 2.13 time as many cores as the GTX 285 which has 240 cores.
Fact: The gt300 has about 6.5% more cores then a gtx 285 sli setup
Fact: The gt300 is a wildly new architecture from the gt200
Fact: SLI doesn't = double the performance, there are losses due to sli
Fact: the gt300 has 2.14 times as many transistors.
Fact: The gt300 will feature gddr 5.0 vs gddr 3.0 for the gt200
Assume: Since according to a front page post nvidia has "eyefinity" technology that they will implement it
Assume: That the gt300 will run at the same clocks as the gt200
Assume: That the gt300 will cost between $500-$600
Assume: That with the gt300 supporting c++ that some apps will become accelerated by gpu
Assume: That there will be a linear increase in performance based on the core increase (this is kind of a big assumption I'm not sure that this will exactly be the case, but we are guessing here, in all actuality it will probably be less)
Assume: That there is a 10% decrease in performance due to sli. (I just picked a number, I imagine this would be lower end, but this is just to get an idea)
Assume: That since this is a new architecture that will be 10% faster per clock then previous architectures. (It is impossible to know if Nvidia's changes will have a positive impact on FPS, or a negative one, but I'd like to think there will be an improvement, but it makes more sense that there would be an improvement, even if most of the improvements are meant for CUDA. 10% is a stab in the dark the performance increase over gt200)
Ok now after a quick googling I could only find one site that compared the 5870 and gtx 285 in sli. I haven't looked into it much but it looks like these are canned benchmarks (not [H] quality) again I am just trying to get an idea on performance if someone has a better review we can compare numbers with then I'd love to see it, but this is what I found.
Now lets start with a gtx 285 in sli as our base performance, and modify that based on the numbers above. First we have a 6.5% improvement for the extra cores, then we multiply in 10% because this is a single card vs the sli configuration, next we multiply a 10% architecture boost. This gives us an overall 28.8% boost over a gt280 sli configuration. Now lets round that down to 25% and look at some benchmarks.
http://www.hexus.net/content/item.php?item=20354&page=4
Here is where I am using the bechmarks from, again these aren't the best benchmarks as far as I can tell but we are making a guess.
Farcry 2 - 2560 x 1600 4xAA 16xAF (average fps)
GTX 285 SLI - 75.5
GT300 - 94.4
5870 - 57.4
5870 XF - 99.1
Grid - 2560 x 1600 4xAA 0xAF
GTX 285 SLI - 106.8
GT300 - 133.5
5870 - 87.2
5870 XF - 151.9
H.A.W.X. 2560 x 1600 4xAA
GTX 285 SLI - 73.5
GT300 - 91.9
5870 - 56.0
5870 XF - 93.5
Call of Duty world at war 2560 x 1600
GTX 285 SLI - 121.4
GT300 - 151.75
5870 - 82.6
5870 XF - 123.5
Enemy Territory: quake wars 2560 x 1600 4xAA 16xAF
GTX 285 SLI - 113.2
GT300 - 141.5
5870 - 76.9
5870 XF - 135.0
Now I know a lot of these games are older games, but even in most of them the gtx285 sli beating the 5870 by a good margin, now if we assume the gt300 will best the sli setup, then we can see that the gt300 is comparing favorably with the 2 5870s in crossfire. All of the cards are providing more then enough performance for any of these games at these huge resolutions, even the GTX 275 in the original review seemed to be handling these well.
Also I read somewhere that flash might support acceleration through CUDA in the future, also since there already exist cpu optimized versions of firefox, one could assume there might be a gpu optimized version or perhaps gpu optimizations or extensions to other programs that will enable a speed boost using an Nvidia gpu, I imagine you could see a huge increase in converting music, video, picture editing and more. There probably won't be a lot of this at launch, but I'd guess within the first year you'd start to see everyday applications make use of CUDA now that you can write it in c++
Now assuming a $500-600 ish pricetag and the above stats how do you feel about the GT300? Worth the wait? Overpriced?
Also I'd love to hear others takes on what the GT300 will perform like, if you agree with my numbers or if you think they are way off.
Also I'd love to see a [H] review of the 5870 compared with a GTX 285 sli setup, maybe even their guess as to how a GT300 might compare based on what we know compared to the GTX 285 sli.
Again this is all just guesswork based on what we know and some benchmarks from some random site off of google, the fermi white paper has me curious on what the GT300 has in store, and this is a fun way to fill the "few more months"
NOTE: I am not in any way shape or form a GPU expert, and some of the stuff in white paper went over my head, I'd love someone with a better understanding to take a better stab at some numbers