--gpu-thread 4 works wonder.
haha
Not sure if serious. Does it do anything?
Also to the other guy, how is litecoin more profitable to mine? your math is wrong.
It seems to me that VGAs are way cooler with more threads - fan on one of my R9s (ASUS R9 280X DIRECT CU II) is IDLE (!!!) with default clocks while hashing at 7.3MHs at 57C