AMD Radeon R9 290X 's Advantages
Released 1 years and 2 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (320.0GB/s vs 144.2GB/s)
1472 additional rendering cores
NVIDIA GeForce GTX 660 Ti 's Advantages
Boost Clock980MHz
Lower TDP (150W vs 290W)