Naturally it’d be better for other forum members to provide their verified hashrates, but fwiw the 470/570 4GBs in our tests often reached the 1000+ h/s mark, many times a tad more. Some were stuck at ~850 h/s for all miners. It depends on your core clk as well as mem clk. Power draw should still be fine with a higher core clk. The configs to use are 7+7 and 8+7. Higher won’t work.

Cheers,
K