DriverHeaven.net posted a review on the Sapphire Radeon 4890 Atomic video card
A quote from the article:
>> Sapphire Radeon 4890 Atomic Review
Sapphire 4890 Vapor-X which offers a slight improvement over the reference model with a modest overclock and a custom cooling solution. Today however we will be taking a look at the real powerhouse that Sapphire have on offer, the HD 4890 Atomic.
>> Sapphire Radeon 4890 Atomic Review