So they say. The only difference i honestly could find was the auto-set with the miller, and the infinite amperage. Thats it. Besides that, they've both got the MVP option which is a huge selling point for me. I love the functionality of using 115v for the majority of stuff, then busting out the 230v for the longer days, or bigger projects. I've been seeing a trend with ppl siding with Hobart. Heck, with the extra dough, you could slap a spool-gun on her and you'd be frothing at the mouth.