Half-Life 2: Lost Coast

Half-Life 2: Lost Coast (Direct X)


Lost Coast is the free technology demo that Valve created to show off their HDR rendering technique.  Because this method of doing HDR (high dynamnic range) lighting uses integer math instead of floating point, both ATI and NVIDIA cards can do both HDR and AA at the same time. 

AMD ATI Radeon X1650 XT GPU Review - Graphics Cards 44

AMD ATI Radeon X1650 XT GPU Review - Graphics Cards 45

AMD ATI Radeon X1650 XT GPU Review - Graphics Cards 46

AMD ATI Radeon X1650 XT GPU Review - Graphics Cards 47

AMD ATI Radeon X1650 XT GPU Review - Graphics Cards 48

AMD ATI Radeon X1650 XT GPU Review - Graphics Cards 49

The single card performance of the three options we show here are nearly a dead heat in Valve’s Half-Life 2: Episode 1.  In this title though CrossFire is very efficient, with a 51% gain at 1920×1200 and a 56% gain at 1600×1200.

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