AMD HD7770

1000MHz Engine Clock Up to 2GB GDDR5 Memory 1125MHz Memory Clock (4.5 Gbps GDDR5) 72GB/s memory bandwidth (maximum) 1.28 TFLOPS Single Precision compute power GCN Architecture 10 Compute Units (640 Stream Processors) 40 Texture Units 64 Z/Stencil ROP Units 16 Color ROP Units Dual Asynchronous Compute Engines (ACE) 128-bit GDDR5 memory interface PCI Express 3.0 x16 bus interface DirectX® 11.1-capable graphics OpenGL 4.2 support Partially Resident Textures (PRT) Ultra-high resolution texture streaming technology Image quality enhancement technology Up to 24x multi-sample and super-sample anti-aliasing modes Adaptive anti-aliasing Morphological Anti-Aliasing (MLAA) Enhanced Quality Anti-Aliasing (EQAA) 16x angle independent anisotropic texture filtering