Sign in with
Sign up | Sign in
Your question

Difference Between 128-bit and 256-bit Memory Interfaces?

Last response: in Graphics & Displays
Share
January 30, 2006 7:52:21 PM

What are the benefits and what nots. Of course more is always better but what are any benefits to convince a buyer to spend more money??? Can anyone help???
January 30, 2006 7:59:22 PM

A 256-bit memory bus is definitely worth the extra bucks, 256-bit bus allows the card's RAM to flow freely or to read & write data to a much faster rate.
January 30, 2006 8:06:06 PM

so that means smoother gameplay? better framerates? more AA and AF?
Related resources
January 30, 2006 8:17:03 PM

Yes, all of the above.

128bits has exactly half the data width of 256bit. Meaning this: 128bit has half the memory bandwidth of 256bit. That's very important to know. :-)

-mpjesse
January 30, 2006 8:27:11 PM

Quote:
Yes, all of the above.

128bits has exactly half the data width of 256bit. Meaning this: 128bit has half the memory bandwidth of 256bit. That's very important to know. :-)

-mpjesse


Yup. bandwidth basically is how wide the pipe your GPU has to suck data out of memory..


BUT there are some exceptions. so even though the 6600gt has 128bit memory, its still faster than the 9800pro (16GB/sec vs around 22GB/sec) in most situations.. unless from what Ive heard, your playing a game at 1600x1200 with 4xAA ... in which case both cards are usually too slow for that anyways. But yea, you DO want 256bit memory unless your specifically choosing between these 2 cards.
January 31, 2006 3:13:32 AM

cool thanks, ok
January 31, 2006 3:18:49 AM

Thanks for info too.
!