I get 2.2 from my Sapphire 280x Vapor-X. mind posting your settings please?
I get 3.2mh per card by this set:
sgminer.exe --kernel darkcoin -o stratum+tcp://xxxxx -u xxxxx -p xxxxx --lookup-gap 2 --thread-concurrency 8192 -g 2 -I 13 -w 256 --auto-fan --temp-target 65 --gpu-memclock 1800 --gpu-engine 1180 --expiry 1 --scan-time 1 --queue 0 --gpu-powertune -20