AMD Radeon HD 7990 's Advantages
Released 1 years and 5 months late
Boost Clock1000MHz
More VRAM (3GB vs 1280GB)
Larger VRAM bandwidth (288.0GB/s vs 128.3GB/s)
1664 additional rendering cores
NVIDIA GeForce GTX 560 OEM 's Advantages
Lower TDP (150W vs 375W)