Futurelooks takes a look at a premium HD 4890 variation from GIGABYTE
A quote from the article:
>> GIGABYTE GV-R489OC-1GD Radeon HD 4890 Video Card Review
With many video card releases, a certain product progression is expected from manufacturers. The first video cards out of the gate are near replicas of the vendor's reference design, using the same cooler and sporting the same clock speed. Then manufacturers get crafty, playing with clock speeds and adding more RAM to try to capture the performance segment of the market.
>> GIGABYTE GV-R489OC-1GD Radeon HD 4890 Video Card Review