ATI Radeon HD 2600 PRO AGP 's Advantages
Lower TDP (35W vs 150W)
NVIDIA GeForce GTX 660 Ti 's Advantages
Released 5 years and 2 months late
Boost Clock980MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (144.2GB/s vs 12.67GB/s)
1224 additional rendering cores