Waterjet	Plasma	Laser	EDM
Materials	Any material	Primarily steel, stainless steel and aluminum.	Primarily steel, stainless steel and aluminum.  Non reflective materials.	Conductive materials only.
Thickness	Up to 300 mm.	Up to 80 mm.	Up to 25 mm.	Up to 300 mm.
Accuracy	Up to 0,1 mm	Up to 0,5 mm	Up to 0,1 mm	Up to 0,001 mm
Cutting speed	5-10 times faster than EDM when thickness is under 25,4mm.	Fast with thin sheets	Very fast in thin, non-reflective materials.	5-10 times slower than waterjet
Edge quality	Good	Fair	Excellent	Excellent
Heat affected zone	None	Yes	Yes	Some