7950 working in 88 sol/s with driver 15.12 
with 16.9.2 work fine.
with 16.9.2 work fine. That's it? Doing 220 on it
I get 200 on the 7950. You seem to do a bit better I see.. Are you overclocking it? What drivers are you using?
with 16.9.2 work fine.