techPowerUp writes: "Sapphire's new HD 4890 Toxic Vapor-X uses Sapphire's exclusive Vapor-X chamber cooling technology which is designed to move heat away from the GPU as quickly as possible. Think of it as a cooling baseplate that has a heatpipe in it."
* High default clocks
* Voltage control support for memory and GPU voltages
* Six + Eight-pin power connector
* Nice aesthetics
* Very limited overclocking potential
* No support for CUDA / PhysX