Graphics card makers plan to give the AMD Radeon HD 3870 X2 a bit more bandwidth by bundling it with GDDR4 memory instead of 900MHz GDDR3. These models will be available soon but will be a bit more expensive:
Fudzilla explains that 3870 X2s outfitted GDDR4 memory should start to show up "in a few weeks." The cards should have more memory bandwidth and possibly lower power utilization than the existing model, although Fudzilla doesn't say what the impact on performance will be. Nonetheless, folks can obviously expect to pay a bit extra for the GDDR4 variants compared to their current GDDR3 siblings, whose e-tail prices start at AMD's official list figure of $449.
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