Benchmark Reviews posted a review on the Sapphire HD4890 Toxic Vapor-X 11150-01-40R

Sapphire has four ranges for most top-end products they offer: standard, Vapor-X, Toxic, and Atomic. While each is different in its own right, for most gamers it is the Toxic design that draws the most attention. Combining the Vapor-X cooling with overclocks seen on the Atomic, the Toxic brand is the most elite air-cooled video card Sapphire offers. In this article, Benchmark Reviews tests the performance on the Sapphire HD4890 Toxic Vapor-X 11150-01-40R video card against many of the other best graphics accelerator solutions in the price segment. FPS tests compare frame rates between low to high-end video cards, including a pair of CrossFireX Radeon HD 4770's.

Sapphire HD4890 Toxic Vapor-X 11150-01-40R Review