Core code and process: RX550/14nm Unified shaders: 512 Core frequency/graphics memory frequency: 1183/6000MHz Memory capacity and specifications: 4G/128bit/GDDR5 3D features: DirectX 12/Mantle/OpenGL 4.5 Bus interface: PCI-Express 3.0 x 8 Output interface: DP (1.4 HDR)+HDMI (4K60)+DVI-D Maximum resolution: 3840* 2160@60Hz (DP&HDMI interface)