Hey guys, im a bit of a noob when it comes to graphic cards. Can anyone tell me whats the different from these 2 cards?

XFX Double D FX-787A-CDFC Radeon HD 7870 GHz Edition 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
http://www.newegg.com/Product/Pro...6814150605

XFX Core Edition FX-787A-CNFC Radeon HD 7870 GHz Edition 2GB 256-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card
http://www.newegg.com/Product/Pro...6814150604

I can imagine the double fan one runs cooler, but does it mean louder as well? Any other major differences. Thanks

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