Poly 4 attacks

I was wondering what other players think of this.
6,3 vs 3 or 5,4 vs 3. Most of the time I go with 5,4 but lately I've been thinking 6,3 is better. I've been failing in a lot of 5,4 vs 3.
What do you think?
6,3 vs 3 or 5,4 vs 3. Most of the time I go with 5,4 but lately I've been thinking 6,3 is better. I've been failing in a lot of 5,4 vs 3.
What do you think?