I'm using a Sapphire 7950, overclocking with Trixx.
Core: 990, Memory: 1400, Voltage: 1.1
Intensity: 19
Worksize: 256
Concurrency: 10,496
Produces about 575 kh/s in GUI. One odd thing, when I change intensity to 20, the hash rate drops to under 500.
In cgminer, I realized I was...