Found the probable reason this has lower scores than the EWBF miner. Turns out it does not trigger 3D mode on your card, which disables OC and Boost.
You can replicate that by running Media Player Classic in Enhanced Video Renderer mode and even minimizing the paused video.
I got between 30 and 50 extra Sol/s
IDK what your on about, just did a performance test with a 3d app, (put everything on lowest settings) and i dropped 80 sols. To me it looks like it is already using 3d capabilities.