NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (336.6GB/s vs 144.2GB/s)
2112 additional rendering cores
NVIDIA GeForce GTX 650 Ti Boost 's Advantages
Boost Clock has increased by 11% (1032MHz vs 928MHz)
Lower TDP (134W vs 250W)