XFX has released 9 models of HD 7700 series graphics cards. Various cards are based on two models, with two fans (Double Dissipation) and a single one (Ghost Thermal).

AMD Radeon™ HD 7770
Based on the award-winning GCN Architecture, AMD Radeon™ HD 7700 Series GPUs are built to destroy with the industry’s very first 28nm GPU design. Packed with incredible features, such as PCI Express® 3.0, the ultra-efficient AMD ZeroCore Power technology or gaming at resolutions beyond 5760×1080 with AMD Eyefinity technology, these are the world’s most advanced graphics. For everyone.

STANDARD EDITION
1095MHZ 1GB GDDR5 Black Edition Double Dissipation with Ghost Technology Dual MiniDisplayPort HDMI DVI
FX-777A-ZDB4
1095MHZ 1GB GDDR5 with Ghost Technology Dual MiniDisplay HDMI DVI
FX-777A-ZNBC

DOUBLE DISSIPATION EDITION
1000MHZ 1GB GDDR5 Double Dissipation with Ghost Technology Dual MiniDisplayPort HDMI DVI
FX-777A-ZDF4

BLACK EDITION
Super Overclock 1120MHz 1GB DDR5 with Ghost Technology Dual miniDP HDMI DVI
FX-777A-ZDSC

CORE EDITION
1000MHZ 1GB GDDR5 with Ghost Technology Dual MiniDisplayPort HDMI DVI
FX-777A-ZNF4