NVIDIA GeForce GTX 780 Ti 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (336.6GB/s vs 80.19GB/s)
2368 additional rendering cores
NVIDIA GeForce GTX 750 GM206 's Advantages
Released 2 years late
Boost Clock has increased by 34% (1239MHz vs 928MHz)
Lower TDP (60W vs 250W)