TweakTown posted a review on the Sapphire Radeon X1900XT Graphics Card

No matter how well a manufacturer does in the past makes no difference when it comes to a new product to test out. Today's contestant is the Sapphire X1900XT graphics card. Using the newer ATI R580 chipset and fitted with 512MB of onboard memory, we're going to put it through its paces and see how it compares to graphics boards using the Radeon X8xx series chipset. We'll take a look at features and performance numbers and try to help you decide whether this product would make a worthy upgrade in your own enthusiast rig.

Sapphire Radeon X1900XT Graphics Card Review