Sapphire's Ultimate HD 3850 and Atomic HD 3870

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Performance Comparisons with Bioshock



BioShock is the "genetically enhanced" first person shooter with RPG elements, that has a feel very reminiscent of System Shock 2 or Deus Ex.  It uses a modified Unreal Engine 3.0 with heavy emphasis on enhanced water effects to the extent that Irrational Games actually hired a water programmer and water artist just for this game.  Part horror flick, part sci-fi novel, BioShock is an experience that one won't soon forget.  We gathered our testing results by measuring frame rates through FRAPS while performing the same set of actions in the opening corridors of Rapture at 1280x1024 and 1600x1200 with all graphical settings turned to High.


When using DX10 rendering paths for Bioshock, we found that the Radeon HD 38xx cards fell far behind the performance levels of the GeForce 8800 cards with frame rates that were a third less or more at the lower resolution. Jumping to 1600x1200 cut the GeForces down to size, with each card falling into the 60 fps range wherea the performance hit is much less for any of the Radeons.  For example, where there was a 29% difference between the 8800 GTX and Atomic HD 3870 at 1280x1024, it was halved to 14% at 1600x1200.

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