Heatsink and the Fan is cooling down the GPU VRAM is being accessed by Circuit Display and HDMI are helping to display results on the monitor VRM is regulating the Voltage Circuit's GPC's SMP's Cores are doing math PCIe is connecting GPU to CPU Memory Controller is controlling the VRAM Circuit: Good job guys GPCs: Just getting our SMP's to do math SMPs: Just getting our cores to do math! Cores: Just doing math!