Original sentence: 1200 shader processors (compared with 800 on the current HD 4870).48 TMUs (compared with 40 on the HD 4870).900 MHz core clock speed
Edited sentence: 1200-1600 shader processors (compared with 800 on the current HD 4870).60-80 TMUs (compared with 40 on the HD 4870).750-900 MHz core clock speed.over 300 mm² DIE (~256 mm² RV770/790)