AMD Radeon HD 8990 OEM 's Advantages
Released 1 years and 11 months late
Boost Clock1000MHz
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (288.0GB/s vs 16.00GB/s)
1648 additional rendering cores
AMD Radeon HD 6510 's Advantages
Lower TDP (39W vs 375W)