I heard ya'll like undervolting. :) 17% less perf, 47% less total system power, 33% less core temp. : r/Amd
AMD Radeon HD 7970 Review - CPU Comparison w/ Core i7-920 | WSGF
ASUS Matrix HD 7970 Platinum Edition Video Card Review - Overclockers
How it should have shipped from AMD - tuned reference 5700XT. ~20C cooler hotspot, ~50+ watts less power draw at the cost of ~1.8% performance. : r/Amd
AMD Radeon HD 7970 Graphics Card Review - Overclockers