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Problem with R9 280X performance in Crusader Kings 2 (DirectX 9 game from 2012)

Question asked by newbieonekenobi on Oct 22, 2015

This is an old machine. Specs:

 

CPU: Core2Duo e8600 @ 3.33 GHz stock

memory: DDR2 ADATA Vitesta @ 800 MHz stock

GPU (now): R9 280X, the Gigabyte Battlefield 4 edition with WindForce 3 cooling

 

The card seems to perform worse than my older, weaker cards. Trying to force nicer AA through Catalyst is not an option, even though it could be done with my previous HD 4850. With which, by the way, the game seemed to run faster, more easily (though with an aftermarket cooler, the stock one couldn't cope).

 

The card also gets hotter and has to run the fans at full speed very soon after launching the game — something that wasn't a problem with my old GeForce 460 with the older version of the same cooling from Gigabyte (2 fans only), which was capable of staying quiet.

 

Catalyst settings:

 

AA mode: application

AA samples: application

Filter: standard

AA method: multisampling

morpho: off

 

aniso mode: application

aniso level: application

texture filtering quality: high quality

surface format optimization: off

 

vsync off

trible buffering off

 

tesselation: AMD optimized

max tesselation level: AMD optimized

 

Is it possible that this beefy card somehow has poor DirectX 9 performance? Or can't work with a less-than-current CPU?

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