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I made a BIOS with just synced xbar and L2 and saw 0 difference in performance at 1531MHz synced vs default. Applying the power limit/voltage increases did help, however- the core speed maintains the max boost clock when I max out the memory oc, which slightly improved scores. In my case, I...
True. The reference BIOS sets the temperature target to 80C, meaning you start throttling at that point. The reference fan curve is geared for low-noise, so it's pretty easy to each the 80C limit. Precision or Afterburner let you adjust both of those, or you can get a custom BIOS with the...
I'll try again- SLI and crossfire will not tell you any more information over a single card. If you say scaling is 95% for SLI, then we don't need to run the experiment. Each card contributes the same amount of FPS, and you scale it down by that 5% of the scaling factor. Done.
Each card has...
SLI and Crossfire use alternate frame rendering right? That means per-frame, you only get 1 card's cores and VRAM. Neither the cores nor the VRAM are additive across multi-GPU setups; comparing two 8GB 290X's is not equivalent to testing a theoretical 8GB card with twice the # cores.
There's...
NVidia's board partners used to make versions with double the stock memory, but I don't know if they did that for the 780's. I don't see why they won't do it again, but it might be a couple more months.
I think Marcdaddy pretty much hit the nail on the head- by the time you really need more...
Hexus looked at the new 8GB card from AMD on Shadows of Mordor, for those interested in whether 4GB is too little for NVidia's cards:
http://hexus.net/tech/reviews/graphics/76685-sapphire-radeon-r9-290x-vapor-x-8gb/?page=9
I'm also unsure what the impact of DSR is. From NVidia's description, it is doing real 4k (or w/e you choose), plus an additional downsampling step at the end of each completed frame. That's the best I can do in terms of testing at higher than 1080p. And Crysis 3 is just one game, there are...
Firestrike was 70pts more on the gfx subscore for me, a 0.5% increase. Nearly as much performance as adding 13Mhz on the core.
Core clock is of course the first thing to do since you benefit across the board (both geometry, pixel, and compute shader horsepower). But the story doesn't change...
I haven't encountered any cases where 1% core speed increase is better than 14% mem increase, even at my native 1080p. In order for 15MHz to get you 5-6 more fps, you'd have to be getting 500fps already.
Overclocking the RAM gets you about the same perf increase regardless of the resolution. It's better to sacrifice one or two core clock bins if you can get the mem to 8000MHz or more.
!!!
I wouldn't wait on 20nm, I think we're going straight to 16nm. TSMC only has a cell phone SOC version of 20nm, and all that capacity is currently devoted to cell phones. For graphics, you're potentially looking at something marginally better than 28nm for a significantly higher cost...NVidia...
Increased memory from +750 to +797, got some more points. +829 complete also, but was slightly slower.
http://www.3dmark.com/3dm/4361814
I'm 85th in the hall of fame: http://www.3dmark.com/hall-of-fame-2/fire+strike+3dmark+score+performance+preset/version+1.1/1+gpu
lol
Thank you.
In other words, unless you have an identical CPU setup, then you can't even ask the question "Why are my identically overclocked GPUs giving me a crappier graphics subscore?" We all know the overall score will differ.
Turns out that the graphics score improves with more powerful CPUs.
When I further overclocked my 4770k from 4.7GHz to 4.8GHz, I went from 15955 on the graphics subscore to my current best of 16162. Suicide run, in the sense that I get an artifact here and there. Rarely crashes though...