TPU之前即有威力彩的7990 REVIEW, CORE 925/1000, MEM 1375,
當然, 2D/3D均耗都不如690, 但不至於太誇張
http://www.techpowerup.com/reviews/...evil_13/27.html

如果把頻率衝高, 雖然耗能增加, 效能上應該可以贏690,類似7970GHZ