This.
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VRAM compression on the GTX 9 series, it is not very good.
- Thread starter Kaapstad
- Start date
This.
Soldato
- Joined
- 27 Feb 2012
- Posts
- 6,586
That's what i thought it did, just looking at benchmarks show the 980/970 isn't as crippled by the 256bit bus as it what have been - upping the res still hurts mind, just not as much
For a single card even @4K 4gb is actually overkill because even if you can use all that memory by pushing up the settings the fps will be so awful as to not want to do it most of the time.
Also interestingly @4K in the benches I have seen for single cards the 980s are the best performers, this also applies to 2 way setups. It is only when you get to 3 and 4 card setups the 290Xs start getting the upper hand.
I spent about 60 hours last week gaming on a single 980 @4K as this was the only setup that could run what I was using.
Horses for courses as they say.
What I don't quite understand is why they didn't make a high end part with a 512-bit bus? They said compression techniques allowed them to get it to 256 without compromise.... So why not up it to 512 too and get super epic performance?
He already said, Crysis 3. Unless I missed something.
He already said, Crysis 3. Unless I missed something.
Caporegime
- Joined
- 18 Oct 2002
- Posts
- 31,192
Because doing that isn't free and costs quite a bit per card. If they're trying to hit a certain price-point then sacrifices have to be made (plus it's all about producing a 'balanced' architecture)
The 9 series will ultimately be their mid range cards and are not really targeted @4K. One of the problems from what I have been told with using a larger bus (apart from the extra cost) is it generates more heat and uses more power. These two things go totally against what the 9 series are all about, low TDP and efficiency.
The other reasons for it is for 99% of users it would be a waste of money as it really only benefits very high resolutions like 4K, the old 6 series 256bit cards were fine up to 1600p as well and would not have benefitted from a bigger bus at their normal working resolution.
Associate
- Joined
- 14 Apr 2014
- Posts
- 632
The Mainstream 4k Market is still years away in gaming, the new console generation put the breaks on that.
Yep, scroll down to "Color Compression": http://www.anandtech.com/show/8526/nvidia-geforce-gtx-980-review/3
It's basically lowering bandwidth usage by eliminating the need to send data that would have no impact between frames. Theoretically the less that has changed between frames, the more effective the compression is.
