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Rec.Autos.Simulators Archive

3d Video cards & System speed ???

4 posts by 4 people · 24 Dec 1997 - 24 Dec 1997

Da 24 Dec 1997#388932
I have a question about 3d video cards and system speed. I hope someone can help. Does the Mhz speed of a given system have any relation to how fast (or how at all) the 3d video card operates. For example, will a 3d video card operate better or faster on a 200Mhz as opposed to a 133Mhz system. I've herd that a 133Mhz system with a 4meg 3d video card will work fine on most of the new sims that require 3d cards. I also know that a 200Mhz system is faster that 133Mhz, but what is the relationship between the system speed and the 3d card. (if any) Thanks Dan
Craig March 24 Dec 1997#388933
>I have a question about 3d video cards and system speed. I hope someone can >help. >Does the Mhz speed of a given system have any relation to how fast (or how at >all) the 3d video card operates. For example, will a 3d video card operate >better or faster on a 200Mhz as opposed to a 133Mhz system. >I've herd that a 133Mhz system with a 4meg 3d video card will work fine on >most of the new sims that require 3d cards. I also know that a 200Mhz system >is faster that 133Mhz, but what is the relationship between the system speed >and the 3d card. (if any) >Thanks >Dan At first thought, I would think that in terms of the video card alone, it would operate the same on a 133 as it would a 200 simply because the bus speed is the same on both systems, 66mhz. Therefore the card is running at that bus speed (don't confuse the bus speed with the SST_GRXCLK=57 setting). But then, when I think about it, the processor speed helps alot of other stuff, so overall, the game is going to look better on a 200 in my opinion. Craig Marcho http://www.cmpu.net/public/marcho/
Mythag 24 Dec 1997#388934
A 3DFX the card operates as an individual, but PowerVR's performance increase's with processor power. I'll probably be proved wrong though :)
Doug Bur 24 Dec 1997#388935
Quoted text (15 lines)> I have a question about 3d video cards and system speed. I hope someone can > help. > Does the Mhz speed of a given system have any relation to how fast (or how at > all) the 3d video card operates. For example, will a 3d video card operate > better or faster on a 200Mhz as opposed to a 133Mhz system. > I've herd that a 133Mhz system with a 4meg 3d video card will work fine on > most of the new sims that require 3d cards. I also know that a 200Mhz system > is faster that 133Mhz, but what is the relationship between the system speed > and the 3d card. (if any) > Thanks > Dan
Dan, It is true that adding a 3dfx card can take a marginal system (133 - 150mhz) and make it useable. The faster the processor, the faster other things happen like Disc Reads, etc ... so the faster processor will help but isn't a requirement to see an improvement. Make sense?\ Doug

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