AMD Radeon HD 7570 's Advantages
Lower TDP (60W vs 375W)
AMD Radeon HD 8990 OEM 's Advantages
Released 1 years and 3 months late
Boost Clock1000MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 25.60GB/s)
1568 additional rendering cores