@ocminer, you never answered my question 
What's the difference between 6256 and 6257? I'm not using nicehash so now that nicehash port works better with connecting, can I use that or is there something I need to know about?
What's the difference between 6256 and 6257? I'm not using nicehash so now that nicehash port works better with connecting, can I use that or is there something I need to know about?
Uh sorry I didn't see it in the stress yesterday.
The only difference is a higher starting diff, yes you can use it as well