My old Griswold cast iron pan functions pretty similarly to my carbon steel pan. The older cast iron isn't quite as heavy as the new stuff, so (like carbon steel) it doesn't hold as much heat as a heavy Lodge cast iron pan. If I really want to sear the bejesus out of something, I'll pull out the Lodge. If I want a bit more heat control and less likelihood of sticking, I'll use the Gris or the carbon steel. Although both the carbon steel and the lighter cast iron perform similarly, I think the edge goes to the carbon steel because it's not as brittle and less likely to break if dropped.