NVIDIA GeForce GTX 780 Rev. 2 's Advantages
Released 2 years and 6 months late
Boost Clock902MHz
More VRAM (3GB vs 1GB)
Larger VRAM bandwidth (288.4GB/s vs 98.50GB/s)
2112 additional rendering cores
NVIDIA GeForce GTX 550 Ti 's Advantages
Lower TDP (116W vs 250W)