Sapphire are the biggest AMD graphics card partner and a few months
ago they released an overclocked version of the 4870 (Toxic edition)
carrying a custom cooling solution. However, that version only
shipped with 512MB of GDDR5 memory which wasnt ideal for the growing
demands of high end enthusiast users.

Today were looking at a new offering from Sapphire based on the
original 4870 Toxic. This edition now brings 1GB of memory to the
table to combine with the pre-overclocked frequencies.

http://www.driverheaven.net/reviews.php?reviewid=696


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