OLD DRIVER:  ETH: GPU0 27.807 Mh/s, GPU1 29.553 Mh/s, GPU2 26.266 Mh/s, GPU3 27.985 Mh/s
NEW DRIVER: ETH: GPU0 29.283 Mh/s, GPU1 30.705 Mh/s, GPU2 27.185 Mh/s, GPU3 28.007 Mh/s