Hilbert Hagedoorn is looking at the HD4890 for you. “…. This week the Radeon HD 4890 was released and as our reference article showed, it has a lot of overclocking potential, really it has a lot of headroom there which could results in 10% better performance on average. Typically overclocking can be managed really well through the Catalyst Control Center, however the Control Center always has certain restriction as in ‘how much’ you can actually overclock. In this article we’ll show you how you can overclock the easy way, with the help of Rivatuner, followed with a couple of performance results as well…..”.