- Apr 1, 2015
- 11
- 0
- 4,510
Will vram bandwidth affect the demand of vram?
- Thread starter Henry Kwok
- Start date
Solution
geofelt
Titan
- Oct 9, 2006
- 54,396
- 4,190
- 174,240
theoretically, perhaps.
But, I think it would be insignificant.
VRAM has vecome a marketing issue.
My understanding is that vram is more of a performance issue than a functional issue.
A game needs to have most of the data in vram that it uses most of the time.
Somewhat like real ram.
If a game needs something not in vram, it needs to get it across the pcie boundary
hopefully from real ram and hopefully not from a hard drive.
It is not informative to know to what level the available vram is filled.
Possibly much of what is there is not needed.
What is not known is the rate of vram exchange.
Here is an older performance test comparing 2gb with 4gb vram.
http://www.pugetsystems.com/labs/articles/Video-Card-Performance-2GB-vs-4GB-Memory-154/
Spoiler... not a significant difference.
But, I think it would be insignificant.
VRAM has vecome a marketing issue.
My understanding is that vram is more of a performance issue than a functional issue.
A game needs to have most of the data in vram that it uses most of the time.
Somewhat like real ram.
If a game needs something not in vram, it needs to get it across the pcie boundary
hopefully from real ram and hopefully not from a hard drive.
It is not informative to know to what level the available vram is filled.
Possibly much of what is there is not needed.
What is not known is the rate of vram exchange.
Here is an older performance test comparing 2gb with 4gb vram.
http://www.pugetsystems.com/labs/articles/Video-Card-Performance-2GB-vs-4GB-Memory-154/
Spoiler... not a significant difference.
iam2thecrowe
Glorious
- Jul 4, 2010
- 10,591
- 21
- 44,965
memory bandwidth has absolutely nothing to do with vram usage. Vram usage varies with different games. Screen resolution, draw distance, texture resolution and anti-aliasing all have significant impact on vram usage.
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