Core or memory

[NeverSnake]

I seem to recall reading something that you can clock core high with memory low and vice verse much more than you can if you do them together.

Since the search isn't much good for something like this and a quick look over the stickies doesn't turn up anything promising could someone confirm is this is true and which one is best to raise.

I have an XP2700+ With a Sapphire Radeon9800pro.

[emericanchaos]

for CPU's memory and multi can be changed around so you can get hte same clock with a higher FSB. i don't think it works the same way for graphics cards tohuhg. i've tried with my old 7500 and it wouldn't go farther on the memory even if i took the core down 100Mhz.

[Damian]

Don't think that's true. Even if it was, the benefits of having both core and mem high would outweigh those of having one of them slightly higher and the other much lower.

Why not try it yourself, by the way?

[JigPu]

Originally posted by NeverSnake
I seem to recall reading something that you can clock core high with memory low and vice verse much more than you can if you do them together.

Since the search isn't much good for something like this and a quick look over the stickies doesn't turn up anything promising could someone confirm is this is true and which one is best to raise.

I have an XP2700+ With a Sapphire Radeon9800pro.
Yes, that is true. Your core will have a certian maximum speed it can run at, and your memory will probably have a different maximum.

Syncronously overclocking (raising both by equal amounts) will only get you to the maximum speed of the slowest thing. If I were to synchronously OC my 9500, mine would stop at 305/305 since my memory won't go any further.

Asynchronously overclocking (raising both independant of each other) will allow you to achieve the most performance out of each part. My memory still will not go any higher than 305, but my core has a maximum of ~490MHz. By setting my core to it's maximum and my memory to it's maximum, I achieve maximum performance.

Note however that it does not yeild as large of a performance increase. Increasing core and memory toghether will improve performance by a set amount. Increasing only one will have an effect, but a small one since it is not the only thing that effects performance. Running my card at 485/305 IS faster than 305/305, but not much since the memory is usually bottlenecking the core in my case.

JigPu