The Sapphire Radeon HD 7770 GHz Edition Vapor-X looks give a good bit of power with cooler temperatures. The Sapphire 7770 GHz Edition keeps the known GHz overclocks and adds Sapphire s popular Vapor-X cooling. This combination ensures an efficient operating mainstream video card. The core clock is overclocked to 1100MHz and the memory clock is set at 1300MHz. The Radeon HD 7770 uses the newest 28nm GCN technology. Onboard there are 640 stream processors and 1GB of GDDR5 memory. This next generation card utilizes the newest PCI Express 3.0 ports for maximum throughput. All of the usual AMD features are included. The Sapphire Radeon HD 7770 GHz Edition Vapor-X can use AMD HD3D technology AMD Eyefinity 2.0 Shader Model 5.0 OpenGL 4.2 AMD PowerTune and AMD APP technology.// /"
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