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X800 XL 512mb Performance Question?

I

imported_Noob

Senior member
Why does the performance go down in certain cases? Is there higher latency with more RAM or something like that? Does a performance dip also occur with the 9600 XT 256mb or the 5200 256mb?
 
Ahhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............so many times.........so many times!

Pretend the GPU(graphics processing unit) on a video card is the UPS man and RAM is a city or state. The objective of the UPS man is to deliver boxes to every single house.

Now.....If you only have one UPS man, would he be able to deliver a truck load of boxes in a city or a state faster?

So, the UPS man has the option to drive a 9600xt or a 5200. Because a car can only go so fast, he wont be able to deliver a truck load of boxes in the state of 256mb as fast as he could in the city of 128mb.

"He will deliver faster if there is only 128mb of houses. He will also get tired and sleepy on a road trip in the state of 256mb "

HOWEVER......If the UPS man happened to be flying a x800xl then he would be able to deliver his mail in the state of 256mb in an extremely short time.

ALSO, it is not practical to fly a x800xl within a city.

But because the UPS man is only flying a x800xl he wont be able to deliver throughout the galaxy of 512mb unless he had a spaceship powered by an r520 warp engine.
 
Originally posted by: Noob
Why does the performance go down in certain cases? Is there higher latency with more RAM or something like that? Does a performance dip also occur with the 9600 XT 256mb or the 5200 256mb?
Click to expand...
Could be that packing so much RAM on the card required them to relax some timings to accomodate the extra traces b/w the GPU and RAM.

But working with more RAM isn't slower. The whole point of more local RAM is to be able to have as much info as possible handy for the GPU. If the textures or whatever exceed local RAM, then the GPU has to make a longer and slower trip to system memory. It's basically to reduce the momentary valleys when a GPU with less local RAM would reach for something that's not nearby.

Preti9cboi's description is funny, but don't anyone get the idea that it's accurate. 🙂
 
Originally posted by: Preti9cboi
Ahhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............so many times.........so many times!

Pretend the GPU(graphics processing unit) on a video card is the UPS man and RAM is a city or state. The objective of the UPS man is to deliver boxes to every single house.

Now.....If you only have one UPS man, would he be able to deliver a truck load of boxes in a city or a state faster?

So, the UPS man has the option to drive a 9600xt or a 5200. Because a car can only go so fast, he wont be able to deliver a truck load of boxes in the state of 256mb as fast as he could in the city of 128mb.

"He will deliver faster if there is only 128mb of houses. He will also get tired and sleepy on a road trip in the state of 256mb "

HOWEVER......If the UPS man happened to be flying a x800xl then he would be able to deliver his mail in the state of 256mb in an extremely short time.

ALSO, it is not practical to fly a x800xl within a city.

But because the UPS man is only flying a x800xl he wont be able to deliver throughout the galaxy of 512mb unless he had a spaceship powered by an r520 warp engine.
Click to expand...

hahahahaha!!!! very nice indeed!
 
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