GPU 3584 Stream Processors 28 nm Graphics Core Next (GCN) 1000 MHz Engine Clock Interface PCI-Express 3.0 Memory 4096 bit Memory Bus HBM Memory Type 1000 MHz, Effective Memory Clock 4096 MB Size BIOS Support UEFI BIOS Displays Maximum 4 Outputs Output 1 x HDMI 3 x DisplayPort Resolution 4096X2160 Pixel DisplayPort Resolution 2160P HDMI Resolution API OpenGL 4.5 OpenCL 1.2 DirectX 12 Shader Model 5.0 Feature AMD CrossFire XDMA AMD PowerTune AMD ZeroCore Power Technology FreeSync Technology AMD Eyefinity Quad HD Display (4K*2K Support) Video Codec Engine (VCE) AMD HD3D Technology 16K Hours Capacitor Intelligent Fan Control 10mm Heat Pipe Dual BIOS AMD Tress FX Technology