Pneumatic vs Cordless Nailer. What's Best for Home & Pros?- pneumatic nail gun comparison ,Air Vs Cordless Nailer Comparison. The m advantage of a pneumatic nail gun is the amount power it can exert whereas the major benefit of cordless nailer is its portability. Below you can see the comparison chart that explains the major differences between the two power nailers. Pneumatic (Air) Cordless. Power Source.All 9 Different Types of Nail Guns with Their Uses in 202122/4/2021· Pneumatic nail guns have a piston-cylinder that draws air to the gun from the atmosphere. If you need to drive thick nails and hard metals, then heavy-duty pneumatic nail guns may be so much good. But you need to drag a bulky air compressor for providing power to that one.