why am I only getting 2.2 mhs out of my 290 and 1.5 out of 7950 i'm running 14.4 drivers.

this is my bat file

timeout /t 10

setx GPU_USE_SYNC_OBJECTS 1

setx GPU_MAX_ALLOC_PERCENT 100

sgminer --pool-algorithm bitblock -I 19 -w 128 --lookup-gap 2 --thread-concurrency 24000 --auto-gpu --no-submit-stale -o stratum+tcp://east1.us.stratum.dedicatedpool.com:6002 -u nadasmurf.1 -p 1234