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ati drivers suck! - Page 2

post #11 of 14
Quote:
Originally Posted by fashric View Post
There's absolutely nothing wrong the the 5000 series crossfire scaling, you need to update your knowledge on this as it has massively improved from over a year ago or more. Not sure about the tessellation never had any problems with performance because of it AvP or Crysis 2. Considering how cheap second hand 5000 series cards are I think they are definitely worth looking at in a crossfire set up.
I never said there was a PROBLEM with Crossfire scaling. But the 6xxx series scale a LOT better, and they have stronger tessellation units.
 
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post #12 of 14
Cayman beefed up the varying shortfalls of the Cypress series in specific regard to DX11. So I'd disregard the 5700/5800 immediately. On that point, though, the next in line Barts is derivative Cypress plus a more efficient tessellator, less shaders & similar performance via higher clocks. A rather intuitive cost-lowering release, indeed, though from standpoint of an upgrade from 4870s..the upgrade seems minor to the point of nearly pointless (DX11, power usage, anisotropic filtering of angle independence, & various other features I'm clearly taking for granted as evidenced the previous sentence).

As aforementioned, the Cayman adjustments worked revamped AMD capability in DX11. Tile based, load-balanced dual tessellators (8th generation, if I'm not mistaken), dual primitive setup, raster ops of >8bit color channels twice to quadruple improved, substantially improved memory BW with enthusiast headroom (i've seen very significant improvements overclocking 6970/6990s, in some cases more impacting than core clock overclocks, by pushing the effective DDR speed up toward 6 GHz). Nearly all of the Cypress bottlenecks specifically impacting DX11 are poignantly brushed off the shoulder, while the clear strengths (texture & shader prowess) are beefed up as well. At 1080p, the EQAA is a nice touch & cranking up the IQ is always a blast. Adaptive & Supersampling is oft capable with stock Cayman gpus.

In my mind, going from 4870x2 to a 5770, 6850, 6870 is all good & well (even in tandem of crossfire) but at respectable cost you can tap-dance a football field further with an extra gigabyte of storage aiming for a 6950.
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post #13 of 14
Since we have similar performance, save DX11 and more cooling/power efficiency, I have to agree that you're looking at 6950 or 560Ti as a minimum. The OCN member who sold me my pair of Hawks upgraded to dual 6950s and he mentioned that a single 6950 had very similar benchmark results to 2x 5770s.

You'd probably only get $120+ if sold your cards and you'll be looking to spend at least another $200 to see any kind of performance upgrade. I would suggest 2x 6850s or 6870s if you wanted the best performance upgrade. I'd only upgrade if you wanted to enter the DX11 realm and/or have extra cash to spend.
post #14 of 14
Get two 6870s, will suit you well Phae(what my sisters name is).
    
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