The new SAPPHIRE HD 7800 series of graphics cards is based on the third family of GPUâs from AMD built in its new 28nm process and featuring the highly acclaimed GCN graphics processing architecture. The Sapphire HD 7870 GHz Edition is equipped with 2GB of the latest GDDR5 memory clocked at 1200MHz (4.8Gb/s effective) with the new dual-extractor technology - Dual-X - a highly efficient multi-heatpipe cooler with dual fans providing quiet and very cool operation during normal operating conditions, and superb cooling performance even under extreme load.
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