high-speed vs turbo

high-speed

• That operates, moves or takes place at a greater than normal speed. 

turbo

• Causing or relating to increased speed. 

• Very, super, etc.; usually relating to a qualitative value (as opposed to quantitative). 

• With rapidly-increasing blind levels. 

• To autofire. 

• a turbine 

• A turban shell. 

• Autofire.