S.T.A.L.K.E.R. - Clear Sky

Version and / or Patch Used: 1.5.07

Timedemo or Level Used: Custom Timedemo

Developer Homepage: http://www.gsc-game.com/

Product Homepage: http://cs.stalker-game.com/en/

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S.T.A.L.K.E.R.: Clear Sky, is the stand-alone prequel for S.T.A.L.K.E.R.: Shadow of Chernobyl, a first-person shooter computer game by Ukrainian developer GSC Game World.[3] The game consists of a roughly 50/50 mix of new areas and old, remodeled areas from the previous game. The X-ray graphics engine has been updated to version 1.5 and includes DirectX 10 support (later patch 1.5.06 included DirectX 10.1). Additionally, the AI received an overhaul to accommodate the new faction wars feature.

HD 4850: Here we so no real change.

HD 4870: at the lower resolution the minimum is up, while it dips slightly at the highest.

HD 4870 X2: Here performance is a bit all over the place; up in some places and down in another.